October 2021

Cover articles

    1. Developmental Biology
    2. Plant Biology

    Stem cell homeostasis in plant shoots

    Jenia Schlegel, Gregoire Denay ... Rüdiger GW Simon
    1. Developmental Biology

    How cell-to-cell heterogeneity guides the destiny of progenitor cells

    Michèle Romanos, Guillaume Allio ... Bertrand Bénazéraf
    1. Cell Biology

    Exploring epithelial elongation

    Hiroko Katsuno-Kambe, Jessica L Teo ... Alpha S Yap

Highlights controls:

Research articles

    1. Cell Biology

    Growth-dependent signals drive an increase in early G1 cyclin concentration to link cell cycle entry with cell growth

    Robert A Sommer, Jerry T DeWitt ... Douglas R Kellogg
    A G1 cyclin shows key properties expected of a protein that could link cell cycle progression to cell growth.
    1. Cell Biology

    Genetically engineered mice for combinatorial cardiovascular optobiology

    Frank K Lee, Jane C Lee ... Michael I Kotlikoff
    A unique toolbox of novel mouse lines expressing optical effectors and sensors in cardiovascular, smooth muscle, and additional lineages allows extensive in vivo and ex vivo analysis of complex biological systems.
    1. Neuroscience

    Causal roles of prefrontal cortex during spontaneous perceptual switching are determined by brain state dynamics

    Takamitsu Watanabe
    Prefrontal causal roles in bistable perception are dynamically changing and determined by the brain state to which the whole-brain activity pattern belongs.
    1. Neuroscience

    Humans use forward thinking to exploit social controllability

    Soojung Na, Dongil Chung ... Xiaosi Gu
    People use vmPFC-dependent forward thinking to guide social choices and exploit the controllability of social environments, expanding the role of this neurocomputational mechanism beyond spatial and cognitive mapping.
    1. Cell Biology

    Genetic, cellular, and structural characterization of the membrane potential-dependent cell-penetrating peptide translocation pore

    Evgeniya Trofimenko, Gianvito Grasso ... Christian Widmann
    Cationic cell-penetrating peptides (CPPs) enter cells through ~2 (–5)-nm-wide water pores induced by the strong negative plasma membrane potential that CPPs and the activity of potassium channels generate.
    1. Evolutionary Biology

    The evolution of division of labour in structured and unstructured groups

    Guy Alexander Cooper, Hadleigh Frost ... Stuart Andrew West
    The evolution of division of labour with non-accelerating returns from specialisation can occur for several reasons, including but not limited to topologically constrained group structures, but there must always be a group efficiency benefit and a coordination mechanism is required.
    1. Developmental Biology
    2. Genetics and Genomics

    Paths and pathways that generate cell-type heterogeneity and developmental progression in hematopoiesis

    Juliet R Girard, Lauren M Goins ... Utpal Banerjee
    A combination of mRNA sequencing and genetic analysis reveals mechanisms that govern the development of distinct differentiated blood cell types from hematopoietic progenitors.
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    Piezo1 ion channels inherently function as independent mechanotransducers

    Amanda H Lewis, Jörg Grandl
    Mechanically activated Piezo1 ion channels, at physiologically relevant densities, behave as independent mechanotransducers, which we propose is essential for homogenous transduction of forces across the entire cell membrane.
    1. Neuroscience

    The decoy SNARE Tomosyn sets tonic versus phasic release properties and is required for homeostatic synaptic plasticity

    Chad W Sauvola, Yulia Akbergenova ... J Troy Littleton
    Loss of the decoy SNARE Tomosyn enhances synaptic vesicle docking and neurotransmitter release and regulates release and plasticity differences between tonic and phasic motoneurons in Drosophila.
    1. Chromosomes and Gene Expression
    2. Medicine

    Disrupted PGR-B and ESR1 signaling underlies defective decidualization linked to severe preeclampsia

    Tamara Garrido-Gomez, Nerea Castillo-Marco ... Carlos Simon
    The in vivo transcriptomic fingerprint encoding defective decidualization comprises 120 genes associated with an imbalance hormonal signaling in the decidual endometria of women who developed severe preeclampsia.
    1. Cell Biology

    6-Phosphogluconate dehydrogenase (6PGD), a key checkpoint in reprogramming of regulatory T cells metabolism and function

    Saeed Daneshmandi, Teresa Cassel ... Pankaj Seth
    6-Phosphogluconate dehydrogenase controls regulatory T cells metabolism with shifts to Th1, Th2, and Th17 phenotypes.
    1. Computational and Systems Biology
    2. Neuroscience

    Evolving interpretable plasticity for spiking networks

    Jakob Jordan, Maximilian Schmidt ... Mihai A Petrovici
    Artificial evolution discovers biophysically plausible plasticity rules for spiking networks that perform competitively with and even outperform labor-intensive human-designed models in various learning scenarios, while providing new views on experimental data.
    1. Cell Biology
    2. Physics of Living Systems

    Phagocytic ‘teeth’ and myosin-II ‘jaw’ power target constriction during phagocytosis

    Daan Vorselen, Sarah R Barger ... Mira Krendel
    During ingestion of antibody-coated targets, phagocytes probe and deform the target via Arp2/3-dependent protrusions and myosin-dependent constriction during cup closure.
    1. Neuroscience

    Decoding subjective emotional arousal from EEG during an immersive virtual reality experience

    Simon M Hofmann, Felix Klotzsche ... Michael Gaebler
    Modulations of alpha oscillations from parieto-occipital brain regions can be used to decode subjective emotional arousal in a dynamic naturalistic virtual reality experience.
    1. Cell Biology

    Surface-associated antigen induces permeabilization of primary mouse B-cells and lysosome exocytosis facilitating antigen uptake and presentation to T-cells

    Fernando Y Maeda, Jurriaan JH van Haaren ... Wenxia Song
    The strength by which mouse B-cells bind surface-associated antigen determines how much their plasma membrane is permeabilized and also the extent of a resealing response involving lysosomal exocytosis, which promotes antigen extraction for intracellular processing and T-cell presentation.
    1. Cancer Biology
    2. Cell Biology

    RNF43 inhibits WNT5A-driven signaling and suppresses melanoma invasion and resistance to the targeted therapy

    Tomasz Radaszkiewicz, Michaela Nosková ... Vítězslav Bryja
    RNF43 interacts with receptor complexes of the Wnt/PCP signaling and its enzymatic activity results in the reduced cells sensitivity to WNT5A what translates in melanoma into decreased invasive properties and increased response to targeted therapies of this skin cancer.
    1. Neuroscience

    Evidence for a deep, distributed and dynamic code for animacy in human ventral anterior temporal cortex

    Timothy T Rogers, Christopher R Cox ... Matthew A Lambon Ralph
    Signals recorded directly from human anterior temporal cortex reveal that the brain represents animacy information using a distributed code that changes radically as a stimulus is processed, as predicted by an artificial neural network model.
    1. Neuroscience

    A connectome of the Drosophila central complex reveals network motifs suitable for flexible navigation and context-dependent action selection

    Brad K Hulse, Hannah Haberkern ... Vivek Jayaraman
    An analysis of the first complete synaptic resolution connectome of Drosophila's navigation circuit uncovers neural network motifs supporting broadly relevant sensorimotor computations.
    1. Cell Biology
    2. Developmental Biology

    Patched 1 reduces the accessibility of cholesterol in the outer leaflet of membranes

    Maia Kinnebrew, Giovanni Luchetti ... Rajat Rohatgi
    Cholesterol accessibility in the plasma membrane can be controlled by proteins and function as a signaling messenger in cell-cell communication pathways.
    1. Developmental Biology

    The chromatin-remodeling enzyme Smarca5 regulates erythrocyte aggregation via Keap1-Nrf2 signaling

    Yanyan Ding, Yuzhe Li ... Feng Liu
    A new zebrafish RBC aggregation model is developed to explore the dynamic process and the underlying regulatory mechanisms in blood clot formation.
    1. Biochemistry and Chemical Biology

    Fusion of tethered membranes can be driven by Sec18/NSF and Sec17/αSNAP without HOPS

    Hongki Song, William T Wickner
    The coordinate activity of Sec17/SNAP and Sec18/NSF for membrane fusion is not limited to systems with homotypic fusion and vacuole protein sorting (HOPS), the lysosomal/vacuolar tethering, and SNARE assembly complex.
    1. Neuroscience

    Auditory sensory deprivation induced by noise exposure exacerbates cognitive decline in a mouse model of Alzheimer’s disease

    Fabiola Paciello, Marco Rinaudo ... Claudio Grassi
    Central damage and sensory deprivation caused by noise-induced hearing loss in the pre-symptomatic Alzheimer's disease (AD) phase can compromise auditory cortex-hippocampal circuitry, targeting common pathogenetic pathways, thereby accelerating onset and progression of AD phenotype.
    1. Cell Biology
    2. Immunology and Inflammation

    Mitochondrial phenotypes in purified human immune cell subtypes and cell mixtures

    Shannon Rausser, Caroline Trumpff ... Martin Picard
    A high-throughput mitochondrial phenotyping approach quantifies mitochondrial features among purified human immune cell subtypes and provides foundational knowledge to map inter- and intra-individual variation in mitochondrial energetics with high biological specificity.
    1. Structural Biology and Molecular Biophysics

    Cryo-EM reconstructions of inhibitor-bound SMG1 kinase reveal an autoinhibitory state dependent on SMG8

    Lukas M Langer, Fabien Bonneau ... Elena Conti
    Structures of human SMG1-9 and SMG1-8-9 reveal how the SMG1 kinase active site is targeted by a specific inhibitor and provide insights into the regulation of the SMG1-8-9 kinase complex in nonsense-mediated mRNA decay.
    1. Neuroscience

    Visual pursuit behavior in mice maintains the pursued prey on the retinal region with least optic flow

    Carl D Holmgren, Paul Stahr ... Jason ND Kerr
    Digital reconstruction of environment combined with eye and head-tracking enabled the process of prey-detection and capture to be seen from the freely moving mouse’s point-of-view and shows the exact visual-field and retinal location mice use when chasing prey and the advantage.
    1. Genetics and Genomics
    2. Microbiology and Infectious Disease

    Virophages and retrotransposons colonize the genomes of a heterotrophic flagellate

    Thomas Hackl, Sarah Duponchel ... Matthias G Fischer
    Mutualistic viruses called virophages are common genome inhabitants of a marine protist, where they may protect host populations from giant viruses.
    1. Neuroscience

    Plasticity of olfactory bulb inputs mediated by dendritic NMDA-spikes in rodent piriform cortex

    Amit Kumar, Edi Barkai, Jackie Schiller
    NMDA-spikes mediate plasticity of lateral olfactory tract inputs carrying direct odor information to the piriform cortex.
    1. Medicine

    Infrared molecular fingerprinting of blood-based liquid biopsies for the detection of cancer

    Marinus Huber, Kosmas V Kepesidis ... Mihaela Zigman
    The combination of molecular infrared fingerprinting and machine learning enables the detection of breast, bladder, prostate, and lung cancer based on liquid blood serum and plasma, providing a general framework for the minimally invasive investigation of oncological conditions.
    1. Cell Biology

    Electron cryo-tomography reveals the subcellular architecture of growing axons in human brain organoids

    Patrick C Hoffmann, Stefano L Giandomenico ... Wanda Kukulski
    Combining cerebral organoid technology with cryo-correlative microscopy reveals the organization of cytoskeleton, membrane compartments, and protein synthesis machinery contributing to the rapid expansion of developing human axons.
    1. Ecology

    Echolocating toothed whales use ultra-fast echo-kinetic responses to track evasive prey

    Heather Vance, Peter T Madsen ... Mark Johnson
    Echolocating toothed whales can detect and react to sudden prey movements during close approaches with speeds similar to ultra-fast tracking responses in human vision.
    1. Neuroscience

    Septal cholinergic input to CA2 hippocampal region controls social novelty discrimination via nicotinic receptor-mediated disinhibition

    Domenico Pimpinella, Valentina Mastrorilli ... Marilena Griguoli
    Acetylcholine, released from cholinergic fibers originating from the medial septum, shapes social memory, and controls the CA2 hippocampal circuit via nicotinic receptors localized on GABAergic interneurons.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Purified EDEM3 or EDEM1 alone produces determinant oligosaccharide structures from M8B in mammalian glycoprotein ERAD

    Ginto George, Satoshi Ninagawa ... Kazutoshi Mori
    Biochemical analysis reveals the entire route of oligosaccharide processing from M9 to M8B and then to oligosaccharides exposing the α1,6-linked mannosyl residue (M7A, M6, and M5), and the enzymes (EDEM2 and EDEM3/1) responsible for endoplasmic reticulum-associated degradation of misfolded glycoproteins.
    1. Cell Biology
    2. Developmental Biology

    Fascin limits Myosin activity within Drosophila border cells to control substrate stiffness and promote migration

    Maureen C Lamb, Chathuri P Kaluarachchi ... Tina L Tootle
    Collectively migrating cells control their stiffness by Fascin-dependent control of Myosin activity, and this migratory cell stiffness regulates Myosin activity and stiffness within the cellular substrate to ultimately promote migration.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    The Lon protease temporally restricts polar cell differentiation events during the Caulobacter cell cycle

    Deike J Omnus, Matthias J Fink ... Kristina Jonas
    A proteomics-based approach identifies novel substrate proteins of the Lon protease in Caulobacter crescentus and reveals a critical role of Lon in regulating flagella assembly and stalk biogenesis during the cell cycle.
    1. Neuroscience

    Subpopulations of neurons in lOFC encode previous and current rewards at time of choice

    David L Hocker, Carlos D Brody ... Christine M Constantinople
    A distinct subpopulation of neurons in the rat orbitofrontal cortex encodes reward history at the time of choice, providing a potential neural substrate by which reward history may influence decisions.
    1. Neuroscience

    Astrocyte GluN2C NMDA receptors control basal synaptic strengths of hippocampal CA1 pyramidal neurons in the stratum radiatum

    Peter H Chipman, Chi Chung Alan Fung ... Yukiko Goda
    Electrophysiology experiments with genetic and pharmacological manipulations identify a role for astrocyte GluN2C NMDA receptors in maintaining the broad range of presynaptic strengths, which is suggested by numerical simulations to enhance the expression of synaptic plasticity.
    1. Immunology and Inflammation

    Protein kinase Cδ is essential for the IgG response against T-cell-independent type 2 antigens and commensal bacteria

    Saori Fukao, Kei Haniuda ... Daisuke Kitamura
    Protein kinase Cδ, a kinase downstream of B-cell antigen receptor, is found to be essential for class switching to and production of IgG in the T-cell-independent type 2 immune response and for regulation of gut-residing bacteria.
    1. Microbiology and Infectious Disease

    Effect of SARS-CoV-2 proteins on vascular permeability

    Rossana Rauti, Meishar Shahoha ... Ben Meir Maoz
    A specific SARS-CoV-2 proteins that affect the vascular permeability and impairs the functionality of other significant organs has been identified.
    1. Evolutionary Biology
    2. Neuroscience

    Molecular reconstruction of recurrent evolutionary switching in olfactory receptor specificity

    Lucia L Prieto-Godino, Hayden R Schmidt, Richard Benton
    A 'hotspot' position in an olfactory receptor protein family underlies changes in odor tuning in different receptors at different times during evolution.
    1. Developmental Biology

    mTORC1-induced retinal progenitor cell overproliferation leads to accelerated mitotic aging and degeneration of descendent Müller glia

    Soyeon Lim, You-Joung Kim ... Jin Woo Kim
    Comprehensive mouse genetic analyses show, by having mTORC1 constitutively active, a RPC divides and exhausts mitotic capacity faster than neighboring RPCs, and thus produces retinal cells that degenerate with aging-related changes in the mature mouse retina.
    1. Genetics and Genomics
    2. Microbiology and Infectious Disease

    A single synonymous nucleotide change impacts the male-killing phenotype of prophage WO gene wmk

    Jessamyn I Perlmutter, Jane E Meyers, Seth R Bordenstein
    An endosymbiont transgene in Drosophila melanogaster exhibits remarkable phenotypic sensitivity, including to synonymous codon changes.
    1. Physics of Living Systems

    Physical observables to determine the nature of membrane-less cellular sub-compartments

    Mathias L Heltberg, Judith Miné-Hattab ... Thierry Mora
    Two competing descriptions of membrane-less sub-compartments, liquid droplets and polymer binding aggregates, can be cast into a common theoretical framework and tested through single-particle tracking experiments.
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Short-chain fatty acids activate acetyltransferase p300

    Sydney P Thomas, John M Denu
    At most physiological concentrations, the short-chain fatty acids propionate and butyrate affect histone acetylation by modifying and activating the acetyltransferase p300/CBP, rather than by inhibiting histone deacetylases.
    1. Cell Biology
    2. Immunology and Inflammation

    Intestinal goblet cells sample and deliver lumenal antigens by regulated endocytic uptake and transcytosis

    Jenny K Gustafsson, Jazmyne E Davis ... Rodney D Newberry
    Goblet cells use distinct receptors and signaling pathways to independently perform mucus secretion and endocytosis of fluid-phase cargo with atypical trafficking to deliver lumenal substances to the immune system.
    1. Cell Biology
    2. Developmental Biology

    Sex determination gene transformer regulates the male-female difference in Drosophila fat storage via the adipokinetic hormone pathway

    Lianna W Wat, Zahid S Chowdhury ... Elizabeth J Rideout
    Drosophila females store more fat than males because the presence of a functional Transformer protein in females limits adipokinetic hormone production and pathway activity.
    1. Cell Biology
    2. Developmental Biology

    Ciliary Hedgehog signaling regulates cell survival to build the facial midline

    Shaun R Abrams, Jeremy F Reiter
    Genetic analysis identifies the origins of midface defects in mouse models of ciliopathies, revealing a role for ciliary Hedgehog signaling in cell survival.
    1. Epidemiology and Global Health

    Identifying Plasmodium falciparum transmission patterns through parasite prevalence and entomological inoculation rate

    Benjamin Amoah, Robert S McCann ... Emanuele Giorgi
    Estimating fine-scale spatiotemporal patterns of Plasmodium falciparum transmission showed an association between entomological inoculation rate and parasite prevalence that emphasizes the value of both measures in malaria surveillance.
    1. Neuroscience

    Modality-specific tracking of attention and sensory statistics in the human electrophysiological spectral exponent

    Leonhard Waschke, Thomas Donoghue ... Jonas Obleser
    Waschke and colleagues demonstrate that aperiodic EEG activity not only captures subtle attention-related changes in brain signals but also tracks 1/f-like sensory input.
    1. Neuroscience

    Disturbed retinoid metabolism upon loss of rlbp1a impairs cone function and leads to subretinal lipid deposits and photoreceptor degeneration in the zebrafish retina

    Domino K Schlegel, Srinivasagan Ramkumar ... Stephan CF Neuhauss
    The retinoid-binding protein RLBP1 in the retinal pigment epithelium is crucially involved in cone photoreceptor visual pigment recycling and mimics the human eye disease with retinal lipid deposits when mutated.
    1. Genetics and Genomics

    Sequence features of retrotransposons allow for epigenetic variability

    Kevin R Costello, Amy Leung ... Dustin E Schones
    Variably methylated retrotransposons have an underlying sequence that allows them to escape KAP1-mediated silencing and recruit ZF-CxxC proteins.
    1. Medicine
    2. Neuroscience

    scAAVengr, a transcriptome-based pipeline for quantitative ranking of engineered AAVs with single-cell resolution

    Bilge E Öztürk, Molly E Johnson ... Leah C Byrne
    A transcriptome-based pipeline (scAAVengr) quantifies and ranks competing adeno-associated viral vectors in primate retina, and mouse brain, heart, and liver, simultaneously and across all cell types, in the same animal, with single-cell resolution.
    1. Neuroscience

    Finger somatotopy is preserved after tetraplegia but deteriorates over time

    Sanne Kikkert, Dario Pfyffer ... Nicole Wenderoth
    Hand somatotopy can be preserved in the primary somatosensory cortex of tetraplegic patients, despite the absence of sensorimotor function and periphery-brain communication, but deteriorates over years after injury.
    1. Cell Biology
    2. Medicine

    An experimental test of the effects of redacting grant applicant identifiers on peer review outcomes

    Richard K Nakamura, Lee S Mann ... Bruce Reed
    Redaction, intended to obscure personal and institutional identity, reduced the gap between Black vs. White applicants in simulated review of real NIH scientific grant applications, thus providing qualified support for double-blinded models of peer review.
    1. Biochemistry and Chemical Biology
    2. Genetics and Genomics

    5′-Modifications improve potency and efficacy of DNA donors for precision genome editing

    Krishna S Ghanta, Zexiang Chen ... Craig C Mello
    Chemically modifying the 5´ends of donor DNA improves the efficiency of homology-directed repair and suppresses end-joining reactions, which will facilitate precise gene editing.
    1. Cell Biology
    2. Stem Cells and Regenerative Medicine

    Human Erbb2-induced Erk activity robustly stimulates cycling and functional remodeling of rat and human cardiomyocytes

    Nicholas Strash, Sophia DeLuca ... Nenad Bursac
    Comparative analysis of cardiac mitogenic pathways identified a potent human gene that is effective at driving in vitro cell cycle activation across species and cell culture systems.
    1. Neuroscience

    Mechanical overstimulation causes acute injury and synapse loss followed by fast recovery in lateral-line neuromasts of larval zebrafish

    Melanie Holmgren, Michael E Ravicz ... Lavinia Sheets
    Mechanically induced injury of zebrafish lateral-line organs shares key features of damage observed in noise-exposed mammalian ears, such as inflammation and synapse loss, yet, unlike mammals, rapidly repairs following damage.
    1. Microbiology and Infectious Disease

    Antimicrobials from a feline commensal bacterium inhibit skin infection by drug-resistant S. pseudintermedius

    Alan M O'Neill, Kate A Worthing ... Richard L Gallo
    The discovery and development of a feline skin commensal bacterium for bacteriotherapy against skin disease, that could benefit patients due to established low cytotoxicity, broad-spectrum antimicrobial activity and anti-inflammatory activity.
    1. Neuroscience

    Learning differentially shapes prefrontal and hippocampal activity during classical conditioning

    Jan L Klee, Bryan C Souza, Francesco P Battaglia
    CA1 and PFC bridge the temporal gap between cue and reward delivery during trace conditioning according to different underlying coding principles and task-related activity is reactivated during awake Sharp-Wave Ripples.
    1. Genetics and Genomics
    2. Neuroscience

    The structure of behavioral variation within a genotype

    Zachary Werkhoven, Alyssa Bravin ... Benjamin L de Bivort
    Multidimensional analysis of data from high-throughput behavioral assays reveals many independent axes of behavioral variation among inbred animals reared in the same environment.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    The inner mechanics of rhodopsin guanylyl cyclase during cGMP-formation revealed by real-time FTIR spectroscopy

    Paul Fischer, Shatanik Mukherjee ... Peter Hegemann
    UV-Vis- and IR-spectroscopy provides insights into the light-induced enzyme activity of a rhodopsin guanylyl cyclase by tracking the substrate turnover with atomic resolution in real-time and correlating it with the structural changes of the protein.
    1. Ecology
    2. Microbiology and Infectious Disease

    Relationships between community composition, productivity and invasion resistance in semi-natural bacterial microcosms

    Matt Lloyd Jones, Damian William Rivett ... Thomas Bell
    Resident members of natural bacterial communities limit the growth of non-resident bacteria primarily by increasing overall community growth.
    1. Biochemistry and Chemical Biology
    2. Computational and Systems Biology

    PP2A/B55α substrate recruitment as defined by the retinoblastoma-related protein p107

    Holly Fowle, Ziran Zhao ... Xavier Graña
    Molecular, cellular, and computational analyses reveal key insights into PP2A/B55α's mechanisms of substrate recruitment and active site engagement, and facilitate identification/validation of new substrates, a step towards understanding PP2A/B55α's role in multiple cellular processes.
    1. Neuroscience

    Neuronal sequences during theta rely on behavior-dependent spatial maps

    Eloy Parra-Barrero, Kamran Diba, Sen Cheng
    A computational framework and analysis of rodent CA1 data reveals that theta oscillations sequentially sweep through the past, present, and future at a spatial scale that varies with the characteristic speed of the animal.
    1. Cell Biology

    Collagen polarization promotes epithelial elongation by stimulating locoregional cell proliferation

    Hiroko Katsuno-Kambe, Jessica L Teo ... Alpha S Yap
    Integrin- and ERK signaling stimulates mammary epithelial cell proliferation when extracellular collagen condenses, causing asymmetric growth of multicellular aggregates that is necessary for elongation during branching morphogenesis.
    1. Cell Biology
    2. Neuroscience

    Pathogenic LRRK2 control of primary cilia and Hedgehog signaling in neurons and astrocytes of mouse brain

    Shahzad S Khan, Yuriko Sobu ... Suzanne R Pfeffer
    Striatal cholinergic interneurons and astrocytes lose cilia and show dysregulation of Hedgehog signaling in mice with a Parkinson's disease-associated, G2019S LRRK2 mutation or upon loss of PPM1H phosphatase specific for LRRK2-phosphorylated Rab GTPases.
    1. Neuroscience

    Presynaptic stochasticity improves energy efficiency and helps alleviate the stability-plasticity dilemma

    Simon Schug, Frederik Benzing, Angelika Steger
    Presynaptic plasticity in simulated neural networks with a simple biologically plausible learning rule improves metabolic efficiency and lifelong learning capabilities.
    1. Immunology and Inflammation

    Susceptibility rhythm to bacterial endotoxin in myeloid clock-knockout mice

    Veronika Lang, Sebastian Ferencik ... Bert Maier
    Circadian clocks in murine myeloid cells are dispensable for circadian cytokine function, trafficking and endotoxic shock in response to LPS in vivo.
    1. Neuroscience

    Visualizing synaptic plasticity in vivo by large-scale imaging of endogenous AMPA receptors

    Austin R Graves, Richard H Roth ... Richard L Huganir
    A knockin mouse line was made to label endogenous AMPA receptors, enabling direct observation of synaptic plasticity in behaving animals with single-synapse resolution across the entire brain.
    1. Immunology and Inflammation

    Different B cell subpopulations show distinct patterns in their IgH repertoire metrics

    Marie Ghraichy, Valentin von Niederhäusern ... Johannes Trück
    IgH repertoires of physically sorted and bioinformatically selected B cell subpopulations overlap and are characterised by distinct repertoire characteristics, while certain repertoire features correlate with the position of the constant region on the IgH locus.
    1. Biochemistry and Chemical Biology
    2. Medicine

    Early prediction of in-hospital death of COVID-19 patients: a machine-learning model based on age, blood analyses, and chest x-ray score

    Emirena Garrafa, Marika Vezzoli ... Roberto Maroldi
    An early-warning model able to predict in-hospital mortality in patients affected by COVID-19 was developed and validated using common and economic tools.
    1. Neuroscience

    Excitatory and inhibitory receptors utilize distinct post- and trans-synaptic mechanisms in vivo

    Taisuke Miyazaki, Megumi Morimoto-Tomita ... Susumu Tomita
    Excitatory and inhibitory postsynaptic receptors are maintained at corresponded postsynaptic sites with the different dependency of presynaptic neurons in the mature mammalian brain.
    1. Neuroscience

    Cell and circuit origins of fast network oscillations in the mammalian main olfactory bulb

    Shawn D Burton, Nathaniel N Urban
    Fast network oscillations in the mammalian main olfactory bulb emerge from the dense synchronization of gamma-frequency firing among resonant tufted cells.
    1. Neuroscience

    The OpenNeuro resource for sharing of neuroscience data

    Christopher J Markiewicz, Krzysztof J Gorgolewski ... Russell Poldrack
    OpenNeuro is a data sharing archive that provides a platform for the free and open sharing of a broad range of neuroscience data types.
    1. Genetics and Genomics

    Ssl2/TFIIH function in transcription start site scanning by RNA polymerase II in Saccharomyces cerevisiae

    Tingting Zhao, Irina O Vvedenskaya ... Craig D Kaplan
    Ssl2 processivity determines the window for transcription start site selection during promoter scanning by RNA polymerase II in Saccharomyces cerevisiae.
    1. Computational and Systems Biology
    2. Epidemiology and Global Health

    Emerging dynamics from high-resolution spatial numerical epidemics

    Olivier Thomine, Samuel Alizon ... Mircea Sofonea
    Countrywide agent-based simulations with building-level resolution reveal the importance of demographic repartition and population density on epidemic dynamics of respiratory infections.
    1. Neuroscience

    Regulatory T-cells inhibit microglia-induced pain hypersensitivity in female mice

    Julia A Kuhn, Ilia D Vainchtein ... Allan I Basbaum
    Intrathecal injection of CSF1 induces greater upregulation of spinal microglial genes in male versus female mice, however, Treg depletion enhances microglial activation and restores pain hypersensitivity in the female mice.
    1. Immunology and Inflammation

    Sepsis leads to lasting changes in phenotype and function of memory CD8 T cells

    Isaac J Jensen, Xiang Li ... Vladimir P Badovinac
    Sepsis leads to lasting changes in the composition of the pre-existing memory CD8 T cell compartment leading to altered localization, changes in their transcriptional landscape and chromatin accessibility, differential function, and reduced capacity to control infection.
    1. Computational and Systems Biology
    2. Structural Biology and Molecular Biophysics

    Markov state models of proton- and pore-dependent activation in a pentameric ligand-gated ion channel

    Cathrine Bergh, Stephanie A Heusser ... Erik Lindahl
    Computational models of gating processes in an ion channel show how stability shifts upon ligand-binding and mutations are reproduced, which highlights mechanistic details and proposes a new role for symmetry in gating.
    1. Cell Biology
    2. Developmental Biology

    SLC1A5 provides glutamine and asparagine necessary for bone development in mice

    Deepika Sharma, Yilin Yu ... Courtney M Karner
    Osteoblasts utilize an elegant mechanism by which they obtain and subsequently synthesize the requisite amino acids to support osteoblast differentiation and bone formation.
    1. Chromosomes and Gene Expression
    2. Computational and Systems Biology

    circFL-seq reveals full-length circular RNAs with rolling circular reverse transcription and nanopore sequencing

    Zelin Liu, Changyu Tao ... Ence Yang
    Accurate identification and quantification of various circRNA isoforms.
    1. Neuroscience

    An open-source, high-performance tool for automated sleep staging

    Raphael Vallat, Matthew P Walker
    A robust automatic sleep-staging algorithm offers a high level of accuracy matching that of typical human interscorer agreement.
    1. Neuroscience

    Skipping ahead: A circuit for representing the past, present, and future

    Jennifer C Robinson, Mark P Brandon
    A circuit between the hippocampus, nucleus reunions, and prefrontal cortex organizes information about the past, present, and future into alternating theta sequences.
    1. Neuroscience

    The generation of cortical novelty responses through inhibitory plasticity

    Auguste Schulz, Christoph Miehl ... Julijana Gjorgjieva
    Inhibitory synaptic plasticity provides a flexible and biologically plausible circuit mechanism to detect the novelty of bottom-up stimuli and to generate stimulus-specific adaptation.
    1. Developmental Biology
    2. Plant Biology

    Control of Arabidopsis shoot stem cell homeostasis by two antagonistic CLE peptide signalling pathways

    Jenia Schlegel, Gregoire Denay ... Rüdiger GW Simon
    Plant meristem size and shape is controlled by two intertwined regional feedback signals that are mediated by secreted peptides.
    1. Microbiology and Infectious Disease
    2. Structural Biology and Molecular Biophysics

    A bacterial membrane sculpting protein with BAR domain-like activity

    Daniel A Phillips, Lori A Zacharoff ... Sarah M Glaven
    Uniform diameter and curvature of the outer membrane extensions and vesicles of Shewanella oneidensis are maintained by a bacterial Bin/Amphiphysin/Rvs (BAR) domain-like protein BdpA.
    1. Evolutionary Biology
    2. Physics of Living Systems

    Evolution of irreversible somatic differentiation

    Yuanxiao Gao, Hye Jin Park ... Yuriy Pichugin
    Irreversible differentiation into somatic cells is evolutionarily optimal if changing cell phenotype is costly, a few somatic cells already improve the organism's performance, and the organism is large enough.
    1. Developmental Biology
    2. Genetics and Genomics

    Tbx5 drives Aldh1a2 expression to regulate a RA-Hedgehog-Wnt gene regulatory network coordinating cardiopulmonary development

    Scott A Rankin, Jeffrey D Steimle ... Aaron M Zorn
    Epistatic analysis in Xenopus and mouse embryos reveals an evolutionarily conserved gene regulatory network downstream of the transcription factor Tbx5 and retinoic acid that coordinates cardiac and pulmonary development.
    1. Computational and Systems Biology

    Simplifying the development of portable, scalable, and reproducible workflows

    Stephen R Piccolo, Zachary E Ence ... Andrea H Bild
    Descriptions, examples, and tools to enable biologists to use the Common Workflow Language for data processing and to facilitate computational reproducibility.
    1. Neuroscience

    Neuronal activity in dorsal anterior cingulate cortex during economic choices under variable action costs

    Xinying Cai, Camillo Padoa-Schioppa
    In economic choices under variable action costs, in contrast to the orbitofrontal cortex, dorsal anterior cingulate cortex represents not pre-decision but post-decision variables, thus might inform subsequent actions based on reward and effort associated with the choice outcomes.
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    mRNA vaccine-induced T cells respond identically to SARS-CoV-2 variants of concern but differ in longevity and homing properties depending on prior infection status

    Jason Neidleman, Xiaoyu Luo ... Nadia R Roan
    COVID-19 mRNA vaccine-elicited T cells recognize variants of concern and phenotypically differ depending on number of vaccine doses and prior SARS-CoV-2 infection status.
    1. Computational and Systems Biology
    2. Microbiology and Infectious Disease

    Linking functional and molecular mechanisms of host resilience to malaria infection

    Tsukushi Kamiya, Nicole M Davis ... Nicole Mideo
    With a data-driven mathematical modelling approach, within-host ecological information alone can provide clues on the mechanistic basis of diverse malaria infection outcomes.
    1. Chromosomes and Gene Expression
    2. Computational and Systems Biology

    Pathway dynamics can delineate the sources of transcriptional noise in gene expression

    Lucy Ham, Marcel Jackson, Michael PH Stumpf
    There are fundamental limits to what can be learned about the origins of transcriptional noise from gene expression data alone, which can be overcome by simultaneously quantifying the abundances of linked molecular species.
    1. Microbiology and Infectious Disease

    Pathogen clonal expansion underlies multiorgan dissemination and organ-specific outcomes during murine systemic infection

    Karthik Hullahalli, Matthew K Waldor
    During Escherichia coli systemic infection, the replication of a minuscule fraction of the inoculum drives organ-specific clearance failures, systemic dissemination, and stochastic infection outcomes.
    1. Biochemistry and Chemical Biology
    2. Cancer Biology

    USP28 deletion and small-molecule inhibition destabilizes c-MYC and elicits regression of squamous cell lung carcinoma

    E Josue Ruiz, Adan Pinto-Fernandez ... Axel Behrens
    Deletion and small-molecule inhibition of ubiquitin-specific protease 28 destabilizes the oncogenes c-MYC, c-JUN, and Δp63, and elicits regression of squamous cell lung carcinoma, a major cancer type with currently limited treatment options.
    1. Immunology and Inflammation

    IRAK1-dependent Regnase-1-14-3-3 complex formation controls Regnase-1-mediated mRNA decay

    Kotaro Akaki, Kosuke Ogata ... Osamu Takeuchi
    Regnase-1, an RNase suppressing proinflammatory mRNAs, interacts with 14-3-3, which diminishes cytokine mRNA recognition and the nuclear-cytoplasmic shuttling of Regnase-1 under inflammatory conditions.
    1. Evolutionary Biology

    Decreased recent adaptation at human mendelian disease genes as a possible consequence of interference between advantageous and deleterious variants

    Chenlu Di, Jesus Murga Moreno ... David Enard
    Harmful genetic variants at mendelian disease genes slow down adaptation, by interfering with the spread of adaptive variants in a population.
    1. Neuroscience

    Switch-like and persistent memory formation in individual Drosophila larvae

    Amanda Lesar, Javan Tahir ... Marc Gershow
    A new computer controlled behavioral assay and integrated training chamber for individual Drosophila larvae shows that larvae learn all at once and create long-term memories that last overnight.
    1. Biochemistry and Chemical Biology
    2. Ecology

    Secondary metabolites of Hülle cells mediate protection of fungal reproductive and overwintering structures against fungivorous animals

    Li Liu, Christoph Sasse ... Gerhard H Braus
    Xanthones produced by the filamentous fungus Aspergillus nidulans protect its sexual structures from predation by arthropods.
    1. Cell Biology
    2. Physics of Living Systems

    Quantitative theory for the diffusive dynamics of liquid condensates

    Lars Hubatsch, Louise M Jawerth ... Christoph A Weber
    Dynamical properties of liquid condensates can be quantitatively assessed by combining phase separation theory and photobleaching, which opens new avenues to understand their physicochemical properties and functioning.
    1. Genetics and Genomics

    Utility of polygenic embryo screening for disease depends on the selection strategy

    Todd Lencz, Daniel Backenroth ... Shai Carmi
    Preimplantation screening of embryos using polygenic risk scores may substantially reduce risk for a given complex disease, but this effect depends on several quantifiable factors and raises significant ethical issues.
    1. Cell Biology

    Protein phosphatase 1 in association with Bud14 inhibits mitotic exit in Saccharomyces cerevisiae

    Dilara Kocakaplan, Hüseyin Karabürk ... Ayse Koca Caydasi
    PP1-Bud14 is a novel Spindle Position Checkpoint component.
    1. Cell Biology
    2. Structural Biology and Molecular Biophysics

    Fibrinogen αC-subregions critically contribute blood clot fibre growth, mechanical stability, and resistance to fibrinolysis

    Helen R McPherson, Cedric Duval ... Robert AS Ariëns
    Fibrinogen, a key protein involved in blood coagulation, contains a disordered and previously poorly characterised region called αC that plays a critical role in fibrin fibre growth and clot stability.
    1. Biochemistry and Chemical Biology

    A pre-screening strategy to assess resected tumor margins by imaging cytoplasmic viscosity and hypoxia

    Hui Huang, Youpei Lin ... Weijia Zhang
    A fluorescence-based pre-screening strategy allows high-throughput, convenient, and fast gross assessment of resected tumor margins by imaging cytoplasmic viscosity and hypoxia.
    1. Structural Biology and Molecular Biophysics

    Transcription initiation at a consensus bacterial promoter proceeds via a ‘bind-unwind-load-and-lock’ mechanism

    Abhishek Mazumder, Richard H Ebright, Achillefs N Kapanidis
    Single-molecule fluorescence experiments reveal transcription initiation proceeds via a 'bind-unwind-load-and-lock' mechanism where promoter DNA unwinds outside the RNA polymerase (RNAP) cleft, the unwound template-DNA loads into the cleft, and RNAP 'locks' the template-DNA by closing the RNAP clamp module.
    1. Immunology and Inflammation

    IFN-γ mediates Paneth cell death via suppression of mTOR

    Alessandra Araujo, Alexandra Safronova ... Felix Yarovinsky
    A major Th1 cytokine IFN-γ mediates mitochondrial damage that leads to mTORC1 inhibition and Paneth cells death.
    1. Ecology

    A beta-glucosidase of an insect herbivore determines both toxicity and deterrence of a dandelion defense metabolite

    Meret Huber, Thomas Roder ... Matthias Erb
    An insect digestive enzyme metabolizes a plant defense compound and thereby modulates herbivore performance and host plant choice, which in turn may alter plant defense evolution in nature.
    1. Neuroscience

    Neuropsychological evidence of multi-domain network hubs in the human thalamus

    Kai Hwang, James M Shine ... Aaron Boes
    Lesions to the anterior-medio-dorsal thalamus cause widespread behavioral impairments across multiple cognitive domains, suggesting that thalamic hubs are critical for interconnecting diverse cognitive processes.
    1. Evolutionary Biology

    Evolutionary transcriptomics implicates new genes and pathways in human pregnancy and adverse pregnancy outcomes

    Katelyn Mika, Mirna Marinić ... Vincent J Lynch
    Comparative studies of gene expression in the uterus during pregnancy identifies new genes important for pregnancy and associated with complications such as preterm birth.
    1. Developmental Biology
    2. Stem Cells and Regenerative Medicine

    Retinoic acid signaling is directly activated in cardiomyocytes and protects mouse hearts from apoptosis after myocardial infarction

    Fabio Da Silva, Fariba Jian Motamedi ... Andreas Schedl
    Lineage tracing and genetic experiments resolve a long-standing controversy by showing that retinoic acid signaling is active in cardiomyocytes, both during development and after myocardial infarction, and protects damaged hearts from apoptosis.
    1. Neuroscience

    Memory recall involves a transient break in excitatory-inhibitory balance

    Renée S Koolschijn, Anna Shpektor ... Helen C Barron
    Hippocampal activity during memory recall predicts a transient increase in the ratio between neocortical glutamate and GABA, thereby allowing otherwise dormant memories to be released.
    1. Cell Biology
    2. Developmental Biology

    Duox-generated reactive oxygen species activate ATR/Chk1 to induce G2 arrest in Drosophila tracheoblasts

    Amrutha Kizhedathu, Piyush Chhajed ... Arjun Guha
    Reactive oxygen species can activate the ATR/Chk1 pathway in the absence of detectable DNA damage and without a requirement for DNA damage response proteins.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    An improved fluorescent noncanonical amino acid for measuring conformational distributions using time-resolved transition metal ion FRET

    William N Zagotta, Brandon S Sim ... Sharona E Gordon
    Time-resolved transition metal ion fluorescence resonance energy transfer using a fluorescent, noncanonical amino acid donor and metal ion acceptor measures distances and distance distributions in proteins, allowing the equilibrium distributions among conformational states to be accurately determined.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Intergenerational adaptations to stress are evolutionarily conserved, stress-specific, and have deleterious trade-offs

    Nicholas O Burton, Alexandra Willis ... Eric A Miska
    Intergenerational adaptations to stress play a critical role in organismal responses to changing environments and are largely lost or erased after one generation.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    TAZ inhibits glucocorticoid receptor and coordinates hepatic glucose homeostasis in normal physiological states

    Simiao Xu, Yangyang Liu ... Ji Miao
    Hepatic TAZ coordinates the differential expression of gluconeogenic genes in the fasted and fed states by inhibiting glucocorticoid receptor.
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    The mammalian rod synaptic ribbon is essential for Cav channel facilitation and ultrafast synaptic vesicle fusion

    Chad Paul Grabner, Tobias Moser
    The mouse rod photoreceptor ribbon creates a large number of releasable vesicles with uniform release kinetics.
    1. Neuroscience

    NHE6 depletion corrects ApoE4-mediated synaptic impairments and reduces amyloid plaque load

    Theresa Pohlkamp, Xunde Xian ... Joachim Herz
    Genetic disruption of sodium-hydrogen exchanger 6 (NHE6) reduces amyloid plaques in humanized Alzheimer's disease mouse models and restores normal synaptic responses to neuromodulatory input in humanized ApoE4-expressing animals.
    1. Microbiology and Infectious Disease

    The East Asian gut microbiome is distinct from colocalized White subjects and connected to metabolic health

    Qi Yan Ang, Diana L Alba ... Peter J Turnbaugh
    The gut microbiota of East Asians is distinct, dissociated from body mass, and self-sustains compared to White subjects from the same region, and therein may underpin a key health disparity.
    1. Neuroscience

    Experience-dependent weakening of callosal synaptic connections in the absence of postsynaptic FMRP

    Zhe Zhang, Jay R Gibson, Kimberly M Huber
    Postnatal, postsynaptic loss of FMRP specifically weakens callosal synaptic inputs onto L2/3 pyramidal neurons, in requirement ofnormal sensory experience, through downregulating AMPA receptor transmission and without affecting local synaptic inputs during cortical circuit development.
    1. Medicine

    Modulation of fracture healing by the transient accumulation of senescent cells

    Dominik Saul, David G Monroe ... Sundeep Khosla
    Senescent cells accumulate in the fracture callus and a reduction in the number of these cells accelerates fracture healing in mice.
    1. Microbiology and Infectious Disease
    2. Physics of Living Systems

    Inhibition of SARS-CoV-2 polymerase by nucleotide analogs from a single-molecule perspective

    Mona Seifert, Subhas C Bera ... David Dulin
    High-throughput and ultra-stable magnetic tweezers reveal that Remdesivir induces a long-lived backtrack pause upon incorporation by the coronavirus polymerase, and SARS-CoV-2 is able to evade interferon-induced antiviral ddhCTP.
    1. Neuroscience

    Closed-loop auditory stimulation method to modulate sleep slow waves and motor learning performance in rats

    Carlos G Moreira, Christian R Baumann ... Daniela Noain
    Delivery of auditory triggers as unique slow waves-targeting approach yields efficient, stable, and precise modulation of slow-wave activity in rats.
    1. Developmental Biology

    A functional genetic toolbox for human tissue-derived organoids

    Dawei Sun, Lewis Evans ... Emma L Rawlins
    To facilitate human developmental biology research, CRISPR-mediated homologous recombination, tightly inducible gene knockdowns (CRISPRi) and overexpression (CRISPRa) have been efficiently applied to human organoids.
    1. Computational and Systems Biology
    2. Microbiology and Infectious Disease

    Two different cell-cycle processes determine the timing of cell division in Escherichia coli

    Alexandra Colin, Gabriele Micali ... Sven van Teeffelen
    Chromosome replication and a different inter-division process both contribute to division control during unperturbed growth, but if division is delayed by increasing cell width the inter-division process becomes solely rate-limiting.
    1. Biochemistry and Chemical Biology
    2. Neuroscience

    AKAP79 enables calcineurin to directly suppress protein kinase A activity

    Timothy W Church, Parul Tewatia ... Matthew G Gold
    Discovery of a non-canonical mechanism for decreasing protein kinase A activity that does not require lowering of cyclic AMP.
    1. Neuroscience

    Bayesian inference of population prevalence

    Robin AA Ince, Angus T Paton ... Philippe G Schyns
    Bayesian estimation of the proportion of the population that would show an effect in an experiment provides a broadly applicable alternative to standard null hypothesis tests on the population mean with several advantages.
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Divergent acyl carrier protein decouples mitochondrial Fe-S cluster biogenesis from fatty acid synthesis in malaria parasites

    Seyi Falekun, Jaime Sepulveda ... Paul A Sigala
    Malaria parasites have simplified and adapted their mitochondrial metabolism to lack fatty acid synthesis but retain an unusual acyl carrier protein required for stability of the core iron-sulfur cluster biogenesis complex.
    1. Neuroscience

    Calcium dependence of neurotransmitter release at a high fidelity synapse

    Abdelmoneim Eshra, Hartmut Schmidt ... Stefan Hallermann
    The Ca2+-dependence of vesicle priming, fusion, and replenishment at cerebellar mossy fiber boutons show a prominent Ca2+-dependent priming step, a shallow non-saturating dose-response curve up to 50 µM, and little Ca2+-dependence of sustained vesicle replenishment.
    1. Neuroscience

    Neural excitability and sensory input determine intensity perception with opposing directions in initial cortical responses

    Tilman Stephani, Alice Hodapp ... Vadim V Nikulin
    Larger evoked responses during initial cortical processing may reflect states of lower excitability.
    1. Neuroscience

    Modelling the neural code in large populations of correlated neurons

    Sacha Sokoloski, Amir Aschner, Ruben Coen-Cagli
    The proposed techniques enable researchers to disentangle the statistical features of neural population responses, and rigorously quantify how these features carry information about stimuli and experimental variables.
    1. Cell Biology
    2. Developmental Biology

    3D cell neighbour dynamics in growing pseudostratified epithelia

    Harold Fernando Gómez, Mathilde Sabine Dumond ... Dagmar Iber
    The 3D shape and dynamic organization of epithelial cells are far more complex than previously believed, but can be explained with simple physical principles based on lateral surface energy minimisation.
    1. Immunology and Inflammation

    Microglia and CD206+ border-associated mouse macrophages maintain their embryonic origin during Alzheimer’s disease

    Xiaoting Wu, Takashi Saito ... Christiane Ruedl
    Inducible fate-mapping analysis demonstrates that neither microglia, CD11c+ activated microglia nor border-associated macrophages are replenished by bone marrow-derived cells in Alzheimer’s disease.
    1. Developmental Biology

    Visually induced changes in cytokine production in the chick choroid

    Jody A Summers, Elizabeth Martinez
    IL-6 gene and protein expression are rapidly and transiently upregulated in the choroid in response to myopic defocus, as a result of prior form deprivation or treatment with +15 D lenses in a nitric oxide-dependent manner.
    1. Microbiology and Infectious Disease

    HIV status alters disease severity and immune cell responses in Beta variant SARS-CoV-2 infection wave

    Farina Karim, Inbal Gazy ... Alex Sigal
    HIV infection increases SARS-CoV-2 disease severity and alters immune cell dynamics in a beta variant dominated infection wave.
    1. Computational and Systems Biology
    2. Genetics and Genomics

    A sex-specific evolutionary interaction between ADCY9 and CETP

    Isabel Gamache, Marc-André Legault ... Julie Hussin
    Genomics-based evidence support population- and sex-specific selection of an epistatic interaction between genetic variants in ADCY9 and CETP, genes of pharmacogenetic importance in cardiovascular diseases.
    1. Developmental Biology

    Cell-to-cell heterogeneity in Sox2 and Bra expression guides progenitor motility and destiny

    Michèle Romanos, Guillaume Allio ... Bertrand Bénazéraf
    Spatial variations of transcription factor expression regulate the choice of progenitors to stay in their niche or to migrate into neural and mesodermal tissues.
    1. Developmental Biology
    2. Neuroscience

    Unbiased identification of novel transcription factors in striatal compartmentation and striosome maturation

    Maria-Daniela Cirnaru, Sicheng Song ... Michelle E Ehrlich
    RNAseq and ATACseq are utilized to identify transcription factors participating in striatal compartmentation into striosome and matrix, and roles for Stat1, Olig2, and Foxf2 are validated in vitro and in vivo.
    1. Immunology and Inflammation

    Redefining innate natural antibodies as important contributors to anti-tumor immunity

    Kavita Rawat, Anita Tewari ... Claudia V Jakubzick
    Natural antibodies play a fundamental role in anti-cancer immunity.
    1. Developmental Biology
    2. Medicine

    β-Catenin-NF-κB-CFTR interactions in cholangiocytes regulate inflammation and fibrosis during ductular reaction

    Shikai Hu, Jacquelyn O Russell ... Satdarshan P Monga
    Ductular reaction often observed in chronic liver pathologies such as in cystic fibrosis could be due to disruption of a novel complex of β-catenin-NF-κB and CFTR in cholangiocytes, which leads to persistent nuclear translocation of p65 and NF-κB activation.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Visualizing formation of the active site in the mitochondrial ribosome

    Viswanathan Chandrasekaran, Nirupa Desai ... V Ramakrishnan
    GTPBP7, NSUN4, and MTERF4 facilitate maturation of the peptidyl transferase center of the mitochondrial ribosome.
    1. Chromosomes and Gene Expression

    DDK/Hsk1 phosphorylates and targets fission yeast histone deacetylase Hst4 for degradation to stabilize stalled DNA replication forks

    Shalini Aricthota, Devyani Haldar
    Sirtuin, Hst4 is a novel DDK kinase target, which is modified and degraded in response to replication stress, increasing H3K56 acetylation, to stabilize DNA replication forks via fork protection complex which maintains genome stability and has potential in cancer therapeutics.
    1. Neuroscience

    Dynamic dichotomy of accumbal population activity underlies cocaine sensitization

    Ruud van Zessen, Yue Li ... Christian Lüscher
    Cocaine elicits opposing activity changes in D1R vs D2R spiny projection neurons of the nucleus accumbens with much variability, subsequent recruitment of a subset of D1R neurons drives behavioral sensitization.
    1. Cell Biology

    Protective mitochondrial fission induced by stress-responsive protein GJA1-20k

    Daisuke Shimura, Esther Nuebel ... Robin M Shaw
    Stress-induced alternative translation of an otherwise common gap junction protein generates an isoform that orchestrates protective mitochondrial fission and organ protection during anticipated ischemia.
    1. Genetics and Genomics

    The transcription factor Xrp1 is required for PERK-mediated antioxidant gene induction in Drosophila

    Brian Brown, Sahana Mitra ... Hyung Don Ryoo
    The transcription factor Xrp1 mediates a previously unrecognized branch of stress-response signaling, specifically as a downstream effector of eIF2alpha kinases.
    1. Cell Biology
    2. Developmental Biology

    Myogenin controls via AKAP6 non-centrosomal microtubule-organizing center formation at the nuclear envelope

    Robert Becker, Silvia Vergarajauregui ... Felix B Engel
    Myogenin promotes centrosome attenuation and establishes the nuclear envelope as the dominant microtubule organization center via the scaffold protein AKAP6, which is required for the recruitment of centrosomal proteins.
    1. Neuroscience

    Early life experience sets hard limits on motor learning as evidenced from artificial arm use

    Roni O Maimon-Mor, Hunter R Schone ... Tamar R Makin
    Biological- or artificial-arm experience during early development has a significant effect on artificial-arm motor control in adulthood, providing evidence for limited sensorimotor plasticity beyond childhood.
    1. Developmental Biology

    Y chromosome functions in mammalian spermatogenesis

    Jeremie Subrini, James Turner
    The mammalian Y chromosome has become specialised for male fertility, but exact functions of individual Y genes remain poorly understood, a knowledge gap that new approaches can bridge.
    1. Genetics and Genomics
    2. Neuroscience

    Parallel functional testing identifies enhancers active in early postnatal mouse brain

    Jason T Lambert, Linda Su-Feher ... Alex S Nord
    Methods for screening hundreds of DNA sequences for enhancer activity have been extended for use in vivo, uncovering novel enhancer elements active in the early postnatal brain.
    1. Microbiology and Infectious Disease
    2. Physics of Living Systems

    Single-cell growth inference of Corynebacterium glutamicum reveals asymptotically linear growth

    Joris JB Messelink, Fabian Meyer ... Chase P Broedersz
    A novel bacterial single-cell growth mode is identified in C. glutamicum, which sheds light on its elongation dynamics and cell size regulation.
    1. Neuroscience

    Proof of concept for multiple nerve transfers to a single target muscle

    Matthias Luft, Johanna Klepetko ... Konstantin Davide Bergmeister
    A murine model for a novel surgical concept demonstrates potential advances of neuroprosthetic interfacing.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    microRNA-mediated regulation of microRNA machinery controls cell fate decisions

    Qiuying Liu, Mariah K Novak ... Wenqian Hu
    Genetic and biochemical analyses reveal that two stem-cell-specific microRNAs control stem cell fate decisions between pluripotency and differentiation through repressing Ago2, a key component of the microRNA machinery.
    1. Evolutionary Biology

    Dynamics and variability in the pleiotropic effects of adaptation in laboratory budding yeast populations

    Christopher W Bakerlee, Angela M Phillips ... Michael M Desai
    Experimentally evolved budding yeast populations reveal the role of contingency and chance in shaping the emergence and dynamics of pleiotropic effects of adaptation.
    1. Cell Biology
    2. Developmental Biology

    Par3 cooperates with Sanpodo for the assembly of Notch clusters following asymmetric division of Drosophila sensory organ precursor cells

    Elise Houssin, Mathieu Pinot ... Roland Le Borgne
    Baz/Par3 and Sanpdo are required for clustering and activation of Notch receptors to allow intra-lineage private communication following asymmetric division of Drosophila epithelial cells.
    1. Cell Biology
    2. Neuroscience

    HIF1α stabilization in hypoxia is not oxidant-initiated

    Amit Kumar, Manisha Vaish ... Rajiv R Ratan
    The current findings address the redox regulation of hypoxia inducible factor 1α (HIF1α) stability in hypoxia by showing that cytosolic, mitochondrial or lipid ROS are not necessary for HIF1α stabilization in hypoxia.