1,649 results found
    1. Cell Biology

    The unfolded protein response in fission yeast modulates stability of select mRNAs to maintain protein homeostasis

    Philipp Kimmig, Marcy Diaz ... Peter Walter
    A unique form of regulation has been observed in the unfolded protein response of S. pombe, along with a novel mechanism of post-transcriptional mRNA processing.
    1. Biochemistry and Chemical Biology
    2. Neuroscience

    NOVA-dependent regulation of cryptic NMD exons controls synaptic protein levels after seizure

    Taesun Eom, Chaolin Zhang ... Robert B Darnell
    The HITS-CLIP sequencing method is used to demonstrate that cryptic exons can detect messenger RNA that contains nonsense mutations, and then cause this RNA to decay, which shows that these exons are involved in maintaining the electrical balance of neurons and, possibly, preventing epilepsy.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Cdc48/p97 promotes degradation of aberrant nascent polypeptides bound to the ribosome

    Rati Verma, Robert S Oania ... Raymond J Deshaies
    The enzyme that collaborates with ubiquitin ligases to promote the release of defective polypeptides from stalled ribosomes in a process named ribosome-associated degradations has been identified as the ATPase Cdc48.
    1. Cell Biology

    Time line of redox events in aging postmitotic cells

    Nicolas Brandes, Heather Tienson ... Ursula Jakob
    A sudden fall in the levels of the coenzyme NADPH within cells could have a central role in the process of aging.
    1. Structural Biology and Molecular Biophysics
    2. Microbiology and Infectious Disease

    Influenza-virus membrane fusion by cooperative fold-back of stochastically induced hemagglutinin intermediates

    Tijana Ivanovic, Jason L Choi ... Stephen C Harrison
    Long-lived intermediate states formed by glycoprotein catalysts are an essential part of the process used by influenza virus particles to infect cells.
    1. Developmental Biology
    2. Neuroscience

    Mutual inhibition among postmitotic neurons regulates robustness of brain wiring in Drosophila

    Marion Langen, Marta Koch ... Bassem A Hassan
    The Notch signaling pathway has a central role in the development of the nervous system, and also in the establishment of networks of connections in the adult brain
    1. Developmental Biology
    2. Plant Biology

    Sugar promotes vegetative phase change in Arabidopsis thaliana by repressing the expression of MIR156A and MIR156C

    Li Yang, Mingli Xu ... R Scott Poethig
    Sugar levels in leaves act as a signal for plants to switch from their juvenile to their adult form by regulating the expression of two genes.
    1. Neuroscience

    Decoding the neural mechanisms of human tool use

    Jason P Gallivan, D Adam McLean ... Jody C Culham
    Imaging experiments reveal that some brain regions do not distinguish between actions performed using tools and those performed using the hands, while others represent these two types of action separately.
    1. Physics of Living Systems

    Sequence-dependent base pair stepping dynamics in XPD helicase unwinding

    Zhi Qi, Robert A Pugh ... Yann R Chemla
    The ability of an enzyme called XPD helicase to unwind the double helix is influenced by the DNA sequence and the availability of energy.
    1. Cell Biology
    2. Neuroscience

    Pharmacological brake-release of mRNA translation enhances cognitive memory

    Carmela Sidrauski, Diego Acosta-Alvear ... Peter Walter
    A compound that prevents stressors such as UV light and viral infection from downregulating protein synthesis inside cells improves memory performance in mice.

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