848 results found
    1. Biochemistry and Chemical Biology
    2. Genetics and Genomics

    Genome-wide dynamics of Pol II elongation and its interplay with promoter proximal pausing, chromatin, and exons

    Iris Jonkers et al.
    The elongation rate of RNA Polymerase II varies greatly between and along genes, as this enzyme accelerates from stable pausing to rapid elongation within genes, and is influenced by CG-content, exons and chromatin.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Architecture and RNA binding of the human negative elongation factor

    Seychelle M Vos et al.
    The structural architecture of the 4-subunit, RNA-binding human negative elongation factor NELF is derived by a combination of X-ray crystallography and protein crosslinking.
    1. Microbiology and Infectious Disease

    TRIM28 promotes HIV-1 latency by SUMOylating CDK9 and inhibiting P-TEFb

    Xiancai Ma et al.
    TRIM28 was found to be a versatile dual-function latency contributor by bridging both suppressive epigenetic modifications and RNAP II transcriptional-pausing, and can be a novel target to develop latency-reversing agents.
    1. Developmental Biology
    2. Chromosomes and Gene Expression

    Science Forum: Considerations when investigating lncRNA function in vivo

    Andrew R Bassett et al.
    We discuss the methods available to understand lncRNA function in vivo, and highlight important considerations that should be taken into account when designing such experiments.
    1. Neuroscience

    Acute intermittent hypoxia enhances corticospinal synaptic plasticity in humans

    Lasse Christiansen et al.
    Acute intermittent hypoxia is a noninvasive approach that enhances corticospinal function in humans, likely through alterations in corticospinal-motoneuronal synaptic transmission.
    1. Chromosomes and Gene Expression

    Cooperative interactions enable singular olfactory receptor expression in mouse olfactory neurons

    Kevin Monahan et al.
    Biochemical and genetic experiments show that Ebf and Lhx2 cooperate to specify olfactory receptor enhancers, which cooperate to drive olfactory receptor expression.
    1. Stem Cells and Regenerative Medicine

    Neural stem cells induce the formation of their physical niche during organogenesis

    Ali Seleit et al.
    A physical niche for neural stem cells is generated by the induction of the immediate skin epithelium, a process triggered by the arrival of neural precursors during sensory organ formation in medaka.
    1. Cancer Biology

    NFATc2 enhances tumor-initiating phenotypes through the NFATc2/SOX2/ALDH axis in lung adenocarcinoma

    Zhi-Jie Xiao et al.
    NFATc2 maintains the drug-induced TIC phenotypes through trans-activating SOX2/ALDH1A1 expression and scavenging stress from ROS.
    1. Cell Biology
    2. Developmental Biology

    Distinct cellular and molecular mechanisms for β3 adrenergic receptor-induced beige adipocyte formation

    Yuwei Jiang et al.
    The activation of beige adipocyte thermogenesis by cold temperatures and β3-adrenergic receptor agonists induce beige adipocyte formation, function and perdurance.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Fusion surface structure, function, and dynamics of gamete fusogen HAP2

    Juan Feng et al.
    Structure, dynamics, and mutation of a gamete fusion protein and comparisons to viral homologues suggest that after trimerization the domain bearing the membrane-inserting fusion loops can pivot with respect to the trimer 3-fold axis.

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