110 results found
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    Control of RNA viruses in mosquito cells through the acquisition of vDNA and endogenous viral elements

    Michel Tassetto et al.
    Virus infection in mosquitoes initiates a highly discriminatory process in which fragments of viral RNA are reverse transcribed to create DNA copies that serve as templates of small antiviral RNAs.
    1. Evolutionary Biology

    Evolution of Yin and Yang isoforms of a chromatin remodeling subunit precedes the creation of two genes

    Wen Xu et al.
    Gene sharing through different isoforms can precede the formation of independent genes.
    1. Genetics and Genomics

    Single-amino acid variants reveal evolutionary processes that shape the biogeography of a global SAR11 subclade

    Tom O Delmont et al.
    An in-depth metagenomic analysis of possibly the most abundant and widespread microbial lineage in the surface ocean teases apart evolutionary processes that maintain its genomic heterogeneity and biogeography.
    1. Cancer Biology
    2. Cell Biology

    Caspase-mediated cleavage of IRE1 controls apoptotic cell commitment during endoplasmic reticulum stress

    Anna Shemorry et al.
    Biochemical and biological studies reveal that caspases feed back onto the Unfolded Protein Response by cleaving the ER-stress sensor IRE1 to produce a cytoprotective N-terminal fragment that inhibits BAX-dependent apoptosis.
    1. Structural Biology and Molecular Biophysics

    Structural and functional insights into the bona fide catalytic state of Streptococcus pyogenes Cas9 HNH nuclease domain

    Zhicheng Zuo et al.
    The catalytic activation of the Cas9 HNH domain involves a unique conformational change in the ββα-metal motif that is collectively driven by the interactions with the metal ions and DNA.
    1. Cell Biology

    Spatiotemporal control of mitotic exit during anaphase by an aurora B-Cdk1 crosstalk

    Olga Afonso et al.
    Quantitative live-cell microscopy and molecular perturbations in Drosophila and human cells reveal a crosstalk between molecular 'rulers' (Aurora B) and 'clocks' (Cdk1) that coordinates mitotic exit in space and time.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    The autophagic membrane tether ATG2A transfers lipids between membranes

    Shintaro Maeda et al.
    The autophagy protein ATG2A tethers membranes and transfers lipids between them, suggesting that autophagosome membranes grow upon the acquisition of lipids from the ER through the ATG2A bridge.
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    KHNYN is essential for the zinc finger antiviral protein (ZAP) to restrict HIV-1 containing clustered CpG dinucleotides

    Mattia Ficarelli et al.
    KHNYN, a putative endoribonuclease, interacts with the zinc-finger antiviral protein (ZAP) and is required for the inhibition of HIV replication and RNA abundance by CpG dinucleotides.
    1. Biochemistry and Chemical Biology
    2. Cancer Biology

    Comprehensive substrate specificity profiling of the human Nek kinome reveals unexpected signaling outputs

    Bert van de Kooij et al.
    The human NimA-related kinases (Neks) recognize divergent substrate motifs, and include Nek10 as a dual-specificity serine/tyrosine kinase, and Nek6, Nek7 and Nek9 as amplifiers of the Plk1 phospho-motif.
    1. Neuroscience

    GABA neurons in the ventral tegmental area regulate non-rapid eye movement sleep in mice

    Srikanta Chowdhury et al.
    Functional identification of GABAergic neurons in the ventral tegmental area as a important neuronal subpopulation regulating non-rapid eye movement (NREM) sleep in mice.

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