7,936 results found
    1. Developmental Biology
    2. Stem Cells and Regenerative Medicine

    Stem cell topography splits growth and homeostatic functions in the fish gill

    Julian Stolper et al.
    The fish gill, an ever-growing organ with fast turnover rate, displays dedicated stem-cell populations for growth and homeostasis that are interchangeable upon external challenges.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    The Sec7 N-terminal regulatory domains facilitate membrane-proximal activation of the Arf1 GTPase

    Brian C Richardson et al.
    A new structure reveals two Arf-GEF regulatory domains form a single structural unit that stimulates Arf-GEF activity.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    A novel N-terminal extension in mitochondrial TRAP1 serves as a thermal regulator of chaperone activity

    James R Partridge et al.
    Cytosolic and organellar Hsp90s from higher eukaryotes have evolved a variable, and environmentally responsive N-terminal extension to regulate their activity.
    1. Ecology
    2. Microbiology and Infectious Disease

    A diverse host thrombospondin-type-1 repeat protein repertoire promotes symbiont colonization during establishment of cnidarian-dinoflagellate symbiosis

    Emilie-Fleur Neubauer et al.
    The colonization of corals and their relatives by intracellular microalgae is facilitated by immunity proteins in the animal that contain thrombospondin-type-1 repeats, elucidating the inter-partner recognition processes required for the establishment of this ecologically important symbiosis.
    1. Structural Biology and Molecular Biophysics

    Global alignment and assessment of TRP channel transmembrane domain structures to explore functional mechanisms

    Katherine E Huffer et al.
    Structure-based alignment of TRP channels enables comparison of structural changes, ion permeation pathways and ligand-binding sites and reveals over-representation of structures that represent non-conducting states.
    1. Neuroscience

    A quantitative theory of gamma synchronization in macaque V1

    Eric Lowet et al.
    Gamma-band synchronization behavior in area V1 was predicted by weakly coupled oscillator principles.
    1. Biochemistry and Chemical Biology

    Allosteric mechanism of the V. vulnificus adenine riboswitch resolved by four-dimensional chemical mapping

    Siqi Tian et al.
    A new biochemical method tests whether or not the pre-existing RNA structural correlations couple small molecule binding to gene expression in a paradigmatic riboswitch.
    1. Ecology

    Parental effects alter the adaptive value of an adult behavioural trait

    Rebecca M Kilner et al.
    The adaptive value of social behaviour exhibited in adult life varies with conditions experienced in early life, and poorer conditions may promote conflict over cooperation.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structure and function of the mycobacterial transcription initiation complex with the essential regulator RbpA

    Elizabeth A Hubin et al.
    The essential mycobacterial transcription factor RbpA interacts with promoter DNA and cooperates with another essential transcription factor, CarD, to stimulate the formation of an intermediate leading to the open promoter complex.
    1. Chromosomes and Gene Expression
    2. Neuroscience

    The LIM protein complex establishes a retinal circuitry of visual adaptation by regulating Pax6 α-enhancer activity

    Yeha Kim et al.
    Regulation of Pax6 expression through the α-enhancer fine-tunes amacrine cell subtype number, and consequently, the visual output of the retina.

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