3,627 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

    RecA filament sliding on DNA facilitates homology search

    Kaushik Ragunathan, Cheng Liu, Taekjip Ha
    A DNA–protein complex can find target sequences of bases in another DNA molecule by sliding along it.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Meiosis I chromosome segregation is established through regulation of microtubule–kinetochore interactions

    Matthew P Miller, Elçin Ünal ... Angelika Amon
    Preventing premature interactions between microtubules and protein-based structures called kinetochores ensures that chromosomes are segregated by meiosis rather than mitosis in reproductive cells.
    1. Neuroscience

    Quantification of gait parameters in freely walking wild type and sensory deprived Drosophila melanogaster

    César S Mendes, Imre Bartos ... Richard S Mann
    Novel imaging experiments suggest that fruit flies modify their neural circuitry for walking at slow, medium and fast speeds, and that proprioception is not essential for coordinated walking.
    1. Structural Biology and Molecular Biophysics

    Myosin motors fragment and compact membrane-bound actin filaments

    Sven K Vogel, Zdenek Petrasek ... Petra Schwille
    A combination of single-molecule imaging and an in vitro model of the cell cortex has allowed the interactions between actin filaments and filaments made of myosin II to be studied in detail.
    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. 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. Plant Biology
    2. Developmental Biology

    Sugar is an endogenous cue for juvenile-to-adult phase transition in plants

    Sha Yu, Li Cao ... Jia-Wei Wang
    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. Biochemistry and Chemical Biology

    Stepwise assembly of the human replicative polymerase holoenzyme

    Mark Hedglin, Senthil K Perumal ... Stephen Benkovic
    Fluorescence resonance energy transfer has been used to explore the interactions between DNA polymerases, sliding clamps and clamp loaders as DNA is replicated in human cells.

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