6,947 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. Structural Biology and Molecular Biophysics

    Molecular architecture of human polycomb repressive complex 2

    Claudio Ciferri, Gabriel C Lander ... Eva Nogales
    Electron microscopy has been used to produce the first three-dimensional image of the PRC2 gene-silencing complex.
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Sodium taurocholate cotransporting polypeptide is a functional receptor for human hepatitis B and D virus

    Huan Yan, Guocai Zhong ... Wenhui Li
    Biochemical and genetic tests have revealed that a liver protein called NTCP is a functional receptor for hepatitis B and D viruses, which should lead to an improved understanding of the infections caused by these viruses and assist the development of new intervention strategies.
    1. Chromosomes and Gene Expression

    Non-canonical TAF complexes regulate active promoters in human embryonic stem cells

    Glenn A Maston, Lihua Julie Zhu ... Michael R Green
    The transcription machinery used to regulate gene expression and self-renewal in human embryonic stem cells is different from that found in other cells.
    1. Neuroscience

    The activity-dependent histone variant H2BE modulates the life span of olfactory neurons

    Stephen W Santoro, Catherine Dulac
    A genome-organizing protein that is present only in the olfactory system of mice has been found to orchestrate changes in the relative numbers of different odor-sensing neurons on the basis of how active these neurons are.
    1. Structural Biology and Molecular Biophysics

    Distinct gating mechanisms revealed by the structures of a multi-ligand gated K+ channel

    Chunguang Kong, Weizhong Zeng ... Youxing Jiang
    Structural and functional studies of a potassium ion channel that is opened and closed by different ligands have revealed a novel gating mechanism.
    1. Microbiology and Infectious Disease

    Population structuring of multi-copy, antigen-encoding genes in Plasmodium falciparum

    Yael Artzy-Randrup, Mary M Rorick ... Mercedes Pascual
    Mathematical modeling shows that local populations of the malaria parasite self-organize into a limited number of transient but distinct strains through competition for hosts in immunity space.
    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. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    DNA-PK is a DNA sensor for IRF-3-dependent innate immunity

    Brian J Ferguson, Daniel S Mansur ... Geoffrey L Smith
    Experiments in mice have shown than an enzyme that repairs broken DNA inside the nucleus also has a central role in the innate immune system because it is able to detect foreign DNA outside the nucleus.
    1. Developmental Biology
    2. Neuroscience

    Morphologic diversity of cutaneous sensory afferents revealed by genetically directed sparse labeling

    Hao Wu, John Williams, Jeremy Nathans
    The first survey of the complete morphologies of nerve endings in the skin of mice has revealed enormous structural diversity.

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