91 results found
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Two-way communication between SecY and SecA suggests a Brownian ratchet mechanism for protein translocation

    William John Allen et al.
    Evidence is presented that supports a completely new, diffusion-driven mechanism for transporting proteins across membranes in bacteria.
    1. Structural Biology and Molecular Biophysics

    HDX-MS reveals nucleotide-dependent, anti-correlated opening and closure of SecA and SecY channels of the bacterial translocon

    Zainab Ahdash et al.
    Hydrogen-deuterium exchange mass spectrometry reveals nucleotide-driven conformational regulation of Sec protein-channel to help impose directionality for protein transport through the Sec complex.
    1. Ecology
    2. Genetics and Genomics

    The Natural History of Model Organisms: The fascinating and secret wild life of the budding yeast S. cerevisiae

    Gianni Liti
    The yeast Saccharomyces cerevisiae has informed our understanding of molecular biology and genetics for decades, and learning more about its natural history could fuel a new era of functional and evolutionary studies of this classic model organism.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Translational control of ERK signaling through miRNA/4EHP-directed silencing

    Seyed Mehdi Jafarnejad et al.
    ERK/MAPK activity is regulated by the cap-binding protein 4EHP, via translational control of the DUSP6 phosphatase.
    1. Developmental Biology

    The flow responsive transcription factor Klf2 is required for myocardial wall integrity by modulating Fgf signaling

    Seyed Javad Rasouli et al.
    Endocardial Klf2 regulates cardiomyocyte adhesion and myocardial wall integrity by modulating FGF signaling in zebrafish.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Cell Signaling: Uncovering the secret life of Rho GTPases

    Jenna A Perry, Amy Shaub Maddox
    New methods to directly visualize Rho GTPases reveal how a protein called RhoGDI regulates the activity of these 'molecular switches' at the plasma membrane.
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    1. Ecology

    The Natural History of Model Organisms: The secret lives of Drosophila flies

    Therese Ann Markow
    After decades of intensive research, D. melanogaster and its relatives could provide important tools for investigating future biological questions about human health and environmental change, but only if we better understand their natural history.
    1. Biochemistry and Chemical Biology
    2. Computational and Systems Biology

    ATP-induced asymmetric pre-protein folding as a driver of protein translocation through the Sec machinery

    Robin A Corey et al.
    How the process of protein folding may be controlled by the Sec machinery to assist protein transport across membranes.
    1. Neuroscience

    Neural tracking of speech mental imagery during rhythmic inner counting

    Lingxi Lu et al.
    A disassociated neural network underlies the dynamic construction of speech mental imagery independent of auditory perception.
    1. Structural Biology and Molecular Biophysics

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

    Tomas Fessl et al.
    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.

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