3,139 results found
    1. Cell Biology

    A bacterial sulfonolipid triggers multicellular development in the closest living relatives of animals

    Rosanna A Alegado et al.
    The development of colonies of cells in choanoflagellates, water-dwelling organisms that feed on bacteria, is triggered by the presence of very low concentrations of a lipid molecule produced by certain types of bacteria.
    1. Structural Biology and Molecular Biophysics

    Molecular architecture of human polycomb repressive complex 2

    Claudio Ciferri et al.
    Electron microscopy has been used to produce the first three-dimensional image of the PRC2 gene-silencing complex.
    1. Biochemistry and Chemical Biology

    Membrane immersion allows rhomboid proteases to achieve specificity by reading transmembrane segment dynamics

    Syed M Moin, Sinisa Urban
    Intramembrane proteases identify target proteins in a different way from other proteases.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    Elba, a novel developmentally regulated chromatin boundary factor is a hetero-tripartite DNA binding complex

    Tsutomu Aoki et al.
    A chromatin boundary factor that is only active during early embryo development has been discovered in Drosophila.
    1. Structural Biology and Molecular Biophysics
    2. Neuroscience

    Synaptic proteins promote calcium-triggered fast transition from point contact to full fusion

    Jiajie Diao et al.
    A combination of advanced optical imaging and cryogenic electron microscopy has been used to explore membrane fusion in a synthetic system and provide new insights into neurotransmitter release.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    KDM2B links the Polycomb Repressive Complex 1 (PRC1) to recognition of CpG islands

    Anca M Farcas et al.
    A protein that can recognize regions of DNA with a high proportion of unmethylated CpG dinucleotides, and then recruit polycomb group proteins to these CpG islands, has been identified.
    1. Cell Biology
    2. Chromosomes and Gene Expression

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

    Matthew P Miller et al.
    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. Biochemistry and Chemical Biology
    2. Cancer Biology

    Doxorubicin blocks proliferation of cancer cells through proteolytic activation of CREB3L1

    Bray Denard et al.
    Cleavage of a membrane-bound transcription factor by the chemotherapeutic reagent doxorubicin can block the proliferation of tumor cells.
    1. Structural Biology and Molecular Biophysics

    Modelling dynamics in protein crystal structures by ensemble refinement

    B Tom Burnley et al.
    A combination of molecular dynamics simulations and X-ray diffraction data has been used to construct more realistic models of proteins and to provide new insights into their interactions with other proteins and biomolecules.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    A novel GTP-binding protein–adaptor protein complex responsible for export of Vangl2 from the trans Golgi network

    Yusong Guo et al.
    The ability of epithelial cells to distinguish between domains on opposing cell surfaces within a tissue, a property known as planar cell polarity, relies on proteins and protein complexes directing the traffic of signaling proteins to specific locations on the cell surface membrane.

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