5,177 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. Plant Biology

    A virus responds instantly to the presence of the vector on the host and forms transmission morphs

    Alexandre Martinière, Aurélie Bak ... Martin Drucker
    Cauliflower mosaic virus reacts immediately when aphids feed on the host plant, and this boosts its chances of being taken up and transmitted by the insects to a new plant.
    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. 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

    Ribosome structures to near-atomic resolution from thirty thousand cryo-EM particles

    Xiao-chen Bai, Israel S Fernandez ... Sjors HW Scheres
    A combination of direct-electron detectors and statistical movie processing allows ribosome cryo-EM structures to be determined to resolutions that were previously only attainable by X-ray crystallography.
    1. Neuroscience

    Convergence of pontine and proprioceptive streams onto multimodal cerebellar granule cells

    Cheng-Chiu Huang, Ken Sugino ... Adam W Hantman
    Individual granule cells within the cerebellum-the region of the brain that coordinates movement and supports the learning of new motor skills-receive both sensory and motor input streams: an arrangement that may help the brain to use feedback to fine-tune movement.
    1. Structural Biology and Molecular Biophysics

    De novo modeling of the F420-reducing [NiFe]-hydrogenase from a methanogenic archaeon by cryo-electron microscopy

    Deryck J Mills, Stella Vitt ... Janet Vonck
    The structure of a large hydrogenase complex involved in the production of methane by microbes has been determined with cryo-electron microscopy.
    1. Evolutionary Biology

    Improved use of a public good selects for the evolution of undifferentiated multicellularity

    John H Koschwanez, Kevin R Foster, Andrew W Murray
    The ability to share resources for the benefit of all members of a group may have driven ancient organisms to evolve from a unicellular to a multicellular state.
    1. Cell Biology

    The ART-Rsp5 ubiquitin ligase network comprises a plasma membrane quality control system that protects yeast cells from proteotoxic stress

    Yingying Zhao, Jason A MacGurn ... Scott Emr
    Ubiquitin ligase adaptors target the selective clearance of misfolded plasma membrane proteins.
    1. Neuroscience

    Acute stress enhances adult rat hippocampal neurogenesis and activation of newborn neurons via secreted astrocytic FGF2

    Elizabeth D Kirby, Sandra E Muroy ... Daniela Kaufer
    Exposing rats to acute stress increased the generation of new neurons in a subregion of the hippocampus, and improved the animals' performance in a memory task two weeks later.

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