3,112 results found
    1. Chromosomes and Gene Expression
    2. Evolutionary Biology

    The emergence and evolution of gene expression in genome regions replete with regulatory motifs

    Timothy Fuqua, Yiqiao Sun, Andreas Wagner
    Mutagenizing sequences enriched with promoter motifs creates gene expression de novo, and helps to understand promoter logic, regulatory evolution, and the birth of de novo genes.
    1. Neuroscience

    Conditional deletion of neurexins dysregulates neurotransmission from dopamine neurons

    Charles Ducrot, Gregory de Carvalho ... Louis-Eric Trudeau
    A combination of electrophysiological, electrochemical, and anatomical experiments sheds new light on how the complex neurotransmitter repertoire of dopaminergic neurons in the brain is regulated by proteins of the neurexin family.
    1. Biochemistry and Chemical Biology

    The Listeria monocytogenes persistence factor ClpL is a potent stand-alone disaggregase

    Valentin Bohl, Nele Merret Hollmann ... Axel Mogk
    The bacterial AAA+ chaperone ClpL recognizes aggregated proteins via multiple contacts of its unique N-terminal domain and refolds them with high efficiency providing superior heat resistance.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Methylated cis-regulatory elements mediate KLF4-dependent gene transactivation and cell migration

    Jun Wan, Yijing Su ... Shuli Xia
    A new paradigm of DNA methylation mediated gene activation and chromatin remodeling provides a general framework to dissect the biological functions of DNA methylation readers and effectors.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    Reversible phosphorylation of cyclin T1 promotes assembly and stability of P-TEFb

    Fang Huang, Trang TT Nguyen ... Koh Fujinaga
    Cyclin T1 phosphorylation determines levels of P-TEFb via stabilizing interactions between cyclin T1 and CDK9.
    1. Developmental Biology

    Fatty acid β-oxidation is required for the differentiation of larval hematopoietic progenitors in Drosophila

    Satish Kumar Tiwari, Ashish Ganeshlalji Toshniwal ... Lolitika Mandal
    Genetic and molecular analyses reveal the decisive role of fatty acid oxidation (FAO) acting downstream to the ROS-JNK circuit essential for hemocyte progenitor differentiation in Drosophila..
    1. Cell Biology

    Membrane fluidity is regulated by the C. elegans transmembrane protein FLD-1 and its human homologs TLCD1/2

    Mario Ruiz, Rakesh Bodhicharla ... Marc Pilon
    Inhibition of C. elegans FLD-1 or Human TLCD1/2 prevents saturated fat lipotoxicity by allowing increased levels of membrane phospholipids that contain fluidizing long-chain polyunsaturated fatty acids.
    1. Developmental Biology

    DNA methylation and gene expression changes derived from assisted reproductive technologies can be decreased by reproductive fluids

    Sebastian Canovas, Elena Ivanova ... Pilar Coy
    Reproductive fluids help the correct establishment of some epigenetic marks and gene expression in preimplantation pig embryos.
    1. Neuroscience

    Tracing the development and lifespan change of population-level structural asymmetry in the cerebral cortex

    James M Roe, Didac Vidal-Pineiro ... René Westerhausen
    Brain asymmetry in cortical surface area shows lifespan stability from early childhood to old age and is more underpinned by genetic differences, whereas asymmetry in cortical thickness grows through childhood and adolescence and is minimally explained by genetics.
    1. Cell Biology

    Cell cycle entry triggers a switch between two modes of Cdc42 activation during yeast polarization

    Kristen Witte, Devin Strickland, Michael Glotzer
    Optogenetic control of Cdc42 activation during polarization of budding yeast demonstrates a cell cycle regulated switch between two distinct modes of positive feedback.

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