2,178 results found
    1. Cell Biology
    2. Developmental Biology

    Specific polar subpopulations of astral microtubules control spindle orientation and symmetric neural stem cell division

    Felipe Mora-Bermúdez et al.
    Mammalian neural stem cells specifically regulate a subset of astral microtubules to govern the subtle changes in spindle orientation that underlie symmetric vs asymmetric cell division during embryonic cortical neurogenesis.
    1. Neuroscience

    Presynaptic NMDARs cooperate with local spikes toward GABA release from the reciprocal olfactory bulb granule cell spine

    Vanessa Lage-Rupprecht et al.
    The essential role of presynaptic NMDA receptors for granule cell GABAergic output elucidates the function of reciprocal spines in recurrent and possibly lateral inhibition of mitral cells during olfactory processsing.
    1. Microbiology and Infectious Disease

    HIV efficiently infects T cells from the endometrium and remodels them to promote systemic viral spread

    Tongcui Ma et al.
    CD4+ T cells from the female reproductive tract are unusually susceptible to HIV infection and are altered by HIV in ways that promote survival and systemic spread of the virus.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Electron tomography visualization of HIV-1 fusion with target cells using fusion inhibitors to trap the pre-hairpin intermediate

    Mark S Ladinsky et al.
    Visualization of HIV-1 fusion by trapping the prehairpin intermediate.
    1. Developmental Biology
    2. Neuroscience

    Lineage does not regulate the sensory synaptic input of projection neurons in the mouse olfactory bulb

    Luis Sánchez-Guardado, Carlos Lois
    Sister projection neurons in the mammalian olfactory system do not share sensory synaptic input indicating that lineage-independent mechanisms regulate their synaptic connectivity with the olfactory sensory neurons.
    1. Medicine

    Directing visceral white adipocyte precursors to a thermogenic adipocyte fate improves insulin sensitivity in obese mice

    Chelsea Hepler et al.
    Genetic inactivation of the transcription factor, Zfp423, in visceral white adipocyte precursors leads to the formation of thermogenic adipocytes in visceral fat depots and improves insulin sensitivity in obese mice.
    1. Neuroscience

    Adult-born neurons facilitate olfactory bulb pattern separation during task engagement

    Wankun L Li et al.
    Adult-born neurons in the olfactory bulb allow state-dependent pattern separation of representations of similar odorants.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Human cytomegalovirus IE1 protein alters the higher-order chromatin structure by targeting the acidic patch of the nucleosome

    Qianglin Fang et al.
    Distinct binding of viral proteins to the same region on the nucleosome surface can result in contrasting changes to higher-order chromatin structure in the host cell.
    1. Genetics and Genomics
    2. Microbiology and Infectious Disease

    Transmission genetics of drug-resistant hepatitis C virus

    Nicholas van Buuren et al.
    Interactions between viral genomes within the same cells can impact the selection of drug-resistant variants and this has been finessed by hepatitis C virus.
    1. Neuroscience

    Massive normalization of olfactory bulb output in mice with a 'monoclonal nose'

    Benjamin Roland et al.
    Inhibitory circuits in the olfactory bulb can amplify or suppress sensory inputs over a wide range of intensities to generate robust mitral cell output.

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