6,033 results found
    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. 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

    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. Immunology and Inflammation

    Dendritic cells loaded with FK506 kill T cells in an antigen-specific manner and prevent autoimmunity in vivo

    Dana E Orange, Nathalie E Blachere ... Robert B Darnell
    By using immune cells called dendritic cells to deliver drugs, it is possible to target and kill specific members of another class of immune cell, known as T cells, and to prevent these cells from attacking the body's own tissues in cases of autoimmune disease.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Epigenetic conservation at gene regulatory elements revealed by non-methylated DNA profiling in seven vertebrates

    Hannah K Long, David Sims ... Robert J Klose
    Islands of non-methylated DNA are shown to perform a similar epigenetic role in many different vertebrate species.
    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. 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. 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. 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. Structural Biology and Molecular Biophysics

    Structural analyses at pseudo atomic resolution of Chikungunya virus and antibodies show mechanisms of neutralization

    Siyang Sun, Ye Xiang ... Michael G Rossmann
    Electron cryo-microscopy has been used to determine the structure of Chikungunya virus-like particles and to provide new insights into their interactions with four different antibodies.

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