1,966 results found
    1. Cancer Biology
    2. Cell Biology

    Different promoter affinities account for specificity in MYC-dependent gene regulation

    Francesca Lorenzin, Uwe Benary ... Elmar Wolf
    Differences in promoter affinity and MYC levels explain distinct expression profiles induced by physiological and oncogenic MYC.
    1. Cancer Biology
    2. Cell Biology

    Mathematical Modeling: Tuning the MYC response

    Ying Zheng, David Levens
    Version of Record
    Insight
    1. Structural Biology and Molecular Biophysics
    2. Chromosomes and Gene Expression

    AFF4 binding to Tat-P-TEFb indirectly stimulates TAR recognition of super elongation complexes at the HIV promoter

    Ursula Schulze-Gahmen, Huasong Lu ... Tom Alber
    AFF4 increases the combined selectivity of HIV Tat and TAR for super elongation complexes 330-fold over P-TEFb alone.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    Cap-proximal nucleotides via differential eIF4E binding and alternative promoter usage mediate translational response to energy stress

    Ana Tamarkin-Ben-Harush, Jean-Jacques Vasseur ... Rivka Dikstein
    Differential eIF4E binding to transcription initiation nucleotides and alternative promoter usage of eIF1A, PABP and other genes are involved in the response of the translation machinery to energy stress.
    1. Chromosomes and Gene Expression
    2. Computational and Systems Biology

    Genome-wide Estrogen Receptor-α activation is sustained, not cyclical

    Andrew N Holding, Amy E Cullen, Florian Markowetz
    Activation of the Estrogen Receptor by estra-2-diol results in sustained binding and the previously described cyclical response kinetics are likely an artefact of observing a highly variable process without replicates.
    1. Biochemistry and Chemical Biology

    Delayed inhibition mechanism for secondary channel factor regulation of ribosomal RNA transcription

    Sarah K Stumper, Harini Ravi ... Jeff Gelles
    Single-molecule observations reveal a mechanism that may be used by multiple competing regulatory proteins to control ribosomal RNA production during rapid bacterial cell growth.
    1. Computational and Systems Biology
    2. Evolutionary Biology

    Predicting bacterial promoter function and evolution from random sequences

    Mato Lagator, Srdjan Sarikas ... Gašper Tkačik
    An inferred mechanistic model that connects sequence (genotype) to function (constitutive gene expression phenotype) for any random sequence in Escherichia coli reveals the structure of constitutive promoters and how they evolve.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    E. coli TraR allosterically regulates transcription initiation by altering RNA polymerase conformation

    James Chen, Saumya Gopalkrishnan ... Seth A Darst
    Cryo-electron microscopy structures, combined with biochemical experiments, show how the E. coli F element-encoded TraR protein regulates transcription initiation by altering RNA polymerase conformation and conformational heterogeneity.
    1. Developmental Biology
    2. Evolutionary Biology

    An ancient yet flexible cis-regulatory architecture allows localized Hedgehog tuning by patched/Ptch1

    David S Lorberbaum, Andrea I Ramos ... Scott Barolo
    The seemingly simple, constitutive response of the patched/Ptch1 gene to Hedgehog signaling is in fact regulated by large batteries of context-specific Hedgehog-responsive enhancers in both fly and mouse, allowing tissue-specific tuning of the Hedgehog pathway in animal development and evolution.
    1. Computational and Systems Biology

    Inherent regulatory asymmetry emanating from network architecture in a prevalent autoregulatory motif

    Md Zulfikar Ali, Vinuselvi Parisutham ... Robert C Brewster
    Network architecture and physiological features of the cell dictate asymmetric gene regulation between a negative autoregulatory TF gene and its target gene.

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