1,901 results found
    1. Computational and Systems Biology
    2. Neuroscience

    Na+/K+ pump interacts with the h-current to control bursting activity in central pattern generator neurons of leeches

    Daniel Kueh, William H Barnett ... Ronald L Calabrese
    The dynamic current generated Na+/K+ pump interacts with the h-current to control the bursting activity of oscillator heart interneurons.
    1. Evolutionary Biology
    2. Neuroscience

    Comparative neuroimaging of sex differences in human and mouse brain anatomy

    Elisa Guma, Antoine Beauchamp ... Jason P Lerch
    Comparative neuroimaging quantifies the congruence of regional neuroanatomical sex differences between humans and mice.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    A single K+-binding site in the crystal structure of the gastric proton pump

    Kenta Yamamoto, Vikas Dubey ... Kazuhiro Abe
    Crystal structures provide structural rationales for the transport stoichiometry of the gastric proton pump, which suffices the energy requirement for the generation of a million-fold proton gradient across the membrane.
    1. Structural Biology and Molecular Biophysics

    An allosteric transport mechanism for the AcrAB-TolC multidrug efflux pump

    Zhao Wang, Guizhen Fan ... Dijun Du
    The tripartite drug efflux pump AcrA-AcrB-TolC, representative of a wide group of pumps from Gram-negative bacteria, enters a transport-competent state through long-distance conformational changes that switch the channel from a closed to an open state.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Epistatic mutations in PUMA BH3 drive an alternate binding mode to potently and selectively inhibit anti-apoptotic Bfl-1

    Justin M Jenson, Jeremy A Ryan ... Amy E Keating
    Short peptides that bind tightly to anti-apoptotic protein Bfl-1 but not other Bcl-2 family members provide a tool for diagnosing cancer cell survival mechanisms and a lead for developing new therapeutics.
    1. Structural Biology and Molecular Biophysics

    Dynamic action of the Sec machinery during initiation, protein translocation and termination

    Tomas Fessl, Daniel Watkins ... Roman Tuma
    The complex process of protein translocation across membranes has been dissected into multiple key steps and the distributions of translocation rates indicate stochastic nature of the reaction.
    1. Cell Biology
    2. Developmental Biology

    NuMA-microtubule interactions are critical for spindle orientation and the morphogenesis of diverse epidermal structures

    Lindsey Seldin, Andrew Muroyama, Terry Lechler
    A newly identified microtubule binding activity of NuMA is required for orienting the mitotic spindle.
    1. Genetics and Genomics
    2. Neuroscience

    Belly roll, a GPI-anchored Ly6 protein, regulates Drosophila melanogaster escape behaviors by modulating the excitability of nociceptive peptidergic interneurons

    Kai Li, Yuma Tsukasa ... Tadao Usui
    Belly roll, Bero, an Ly6/α-neurotoxin family protein, is identified as a critical modulator of peptidergic interneurons in Drosophila melanogaster, shedding light on genetic regulations of nociceptive escape behaviors and providing a potential target for future studies on pain perception.
    1. Biochemistry and Chemical Biology

    A discriminator code–based DTD surveillance ensures faithful glycine delivery for protein biosynthesis in bacteria

    Santosh Kumar Kuncha, Katta Suma ... Rajan Sankaranarayanan
    Using bioinformatic and biochemical approaches, the study has explained the discriminator base anomaly in bacterial tRNA(Gly) through identification of the key determinant of DTD specificity.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    PUMILIO hyperactivity drives premature aging of Norad-deficient mice

    Florian Kopp, Mahmoud M Elguindy ... Joshua T Mendell
    Long noncoding RNA Norad performs an essential function in mammalian physiology by inhibiting the activity of PUMILIO RNA binding proteins, thereby suppressing a multi-system degenerative phenotype resembling premature aging.

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