391 results found
    1. Plant Biology
    2. Structural Biology and Molecular Biophysics

    Identification of distinct pH- and zeaxanthin-dependent quenching in LHCSR3 from Chlamydomonas reinhardtii

    Julianne M Troiano, Federico Perozeni ... Gabriela S Schlau-Cohen
    Light-harvesting complex stress-related is a protein from photosynthetic green algae that prevents damage from sunlight via two distinct conformational processes, which protect against different timescales of solar fluctuations.
    1. Physics of Living Systems

    Cells use molecular working memory to navigate in changing chemoattractant fields

    Akhilesh Nandan, Abhishek Das ... Aneta Koseska
    Combined experimental and theoretical analysis identifies a molecular mechanism akin to working memory that enables single cells to perform complex navigation tasks in changing growth factor fields, beyond simple stimulus-response associations.
    1. Immunology and Inflammation

    S-acylation by ZDHHC20 targets ORAI1 channels to lipid rafts for efficient Ca2+ signaling by Jurkat T cell receptors at the immune synapse

    Amado Carreras-Sureda, Laurence Abrami ... Nicolas Demaurex
    ORAI1 ion channel lipid modification is required for a proper immune synapse formation and T cell activation.
    1. Cell Biology
    2. Neuroscience

    Tomosyn affects dense core vesicle composition but not exocytosis in mammalian neurons

    Aygul Subkhangulova, Miguel A Gonzalez-Lozano ... Matthijs Verhage
    SNARE protein tomosyn differentially affects two main secretory pathways in mammalian neurons.
    1. Ecology
    2. Evolutionary Biology

    Broad geographic sampling reveals the shared basis and environmental correlates of seasonal adaptation in Drosophila

    Heather E Machado, Alan O Bergland ... Dmitri A Petrov
    Seasonal selection is a general feature of Drosophila melanogaster genetic variation, occurring in North American and European populations and affecting large proportions of the genome.
    1. Computational and Systems Biology

    Homeostasis, injury, and recovery dynamics at multiple scales in a self-organizing mouse intestinal crypt

    Louis Gall, Carrie Duckworth ... Carmen Pin
    Novel modelling strategies can integrate the dynamics of processes regulating the intestinal epithelium at multiple scales in homeostasis and following perturbations to provide unprecedented insights into the biology of the epithelium and support the development of safer novel drug candidates.
    1. Microbiology and Infectious Disease
    2. Physics of Living Systems

    The transpeptidase PBP2 governs initial localization and activity of the major cell-wall synthesis machinery in E. coli

    Gizem Özbaykal, Eva Wollrab ... Sven van Teeffelen
    For initiation of cell-wall insertion, the cross-linking enzyme PBP2 stably binds to a component of the cell envelope that is different from MreB filaments.
    1. Neuroscience

    Intracranial human recordings reveal association between neural activity and perceived intensity for the pain of others in the insula

    Efe Soyman, Rune Bruls ... Valeria Gazzola
    Intracranial recordings indicate that the insula encodes, in a partially intermixed layout, both static and dynamic cues from different body parts that reflect the intensity of pain experienced by others.
    1. Cell Biology

    Hsf1 and the molecular chaperone Hsp90 support a ‘rewiring stress response’ leading to an adaptive cell size increase in chronic stress

    Samarpan Maiti, Kaushik Bhattacharya ... Didier Picard
    Human cells adapt to chronic mild stresses, such as slightly elevated temperature, by getting larger in a process that couples increased translation to increased cell size in an Hsp90-dependent manner.
    1. Structural Biology and Molecular Biophysics

    New tools for automated high-resolution cryo-EM structure determination in RELION-3

    Jasenko Zivanov, Takanori Nakane ... Sjors HW Scheres
    RELION-3 calculates single-particle reconstructions to higher resolution and with less user-interactions than previously available versions.

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