15 results found
    1. Chromosomes and Gene Expression

    Reporter-ChIP-nexus reveals strong contribution of the Drosophila initiator sequence to RNA polymerase pausing

    Wanqing Shao, Sergio G-M Alcantara, Julia Zeitlinger
    Reporter-ChIP-nexus captures paused Pol II on transfected plasmids and shows that pausing stability is influenced by core promoter sequences, especially by the initiator with a G at +2 position.
    1. Developmental Biology
    2. Chromosomes and Gene Expression

    Natural variation in stochastic photoreceptor specification and color preference in Drosophila

    Caitlin Anderson, India Reiss ... Robert J Johnston
    Binding site affinity and transcription factor levels are finely tuned in nature to regulate stochastic expression, setting the ratio of alternative photoreceptor fates and determining color preference.
    1. Genetics and Genomics
    2. Neuroscience

    Machine learning sequence prioritization for cell type-specific enhancer design

    Alyssa J Lawler, Easwaran Ramamurthy ... Andreas R Pfenning
    A new cross-species machine learning-based strategy is applied to find enhancers that specifically label parvalbumin neurons in the mouse and macaque.
    1. Cell Biology

    miR-146a promotes the initiation and progression of melanoma by activating Notch signaling

    Matteo Forloni, Shaillay Kumar Dogra ... Narendra Wajapeyee
    The microRNA, miR-146a, is regulated by mutant BRAF/NRAS proteins, and promotes the development of melanoma via increasing Notch signaling pathway, suggesting that combining drugs targeting BRAF/NRAS and Notch may provide an effective melanoma treatment.
    1. Cell Biology
    2. Neuroscience

    A feedback loop governs the relationship between lipid metabolism and longevity

    Nicole K Littlejohn, Nicolas Seban ... Supriya Srinivasan
    The dual control of adiposity and longevity emerges from a latent intestinal feedback loop which simultaneously augments fat loss and shields lifespan from the deleterious effects of continuous fat oxidation.
    1. Genetics and Genomics

    The transcription factor Xrp1 is required for PERK-mediated antioxidant gene induction in Drosophila

    Brian Brown, Sahana Mitra ... Hyung Don Ryoo
    The transcription factor Xrp1 mediates a previously unrecognized branch of stress-response signaling, specifically as a downstream effector of eIF2alpha kinases.
    1. Structural Biology and Molecular Biophysics
    2. Chromosomes and Gene Expression

    Resveratrol modulates the inflammatory response via an estrogen receptor-signal integration network

    Jerome C Nwachukwu, Sathish Srinivasan ... Kendall W Nettles
    Anti-inflammatory effects of resveratrol are mediated by the estrogen receptor to coordinate a complex array of transcriptional coregulators, suggesting that estrogenic effects must be considered in the complex polypharmacology of resveratrol.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    A team of heterochromatin factors collaborates with small RNA pathways to combat repetitive elements and germline stress

    Alicia N McMurchy, Przemyslaw Stempor ... Julie Ahringer
    Genome-wide profiling and functional analyses reveal a network of heterochromatin and small RNA factors that silences repetitive elements and prevents genotoxic stress to ensure fertility.
    1. Cell Biology
    2. Developmental Biology

    TWIST1 and chromatin regulatory proteins interact to guide neural crest cell differentiation

    Xiaochen Fan, V Pragathi Masamsetti ... Patrick PL Tam
    Network propagation connects TWIST1 with epigenetic regulators CHD7, CHD8, and WHSC1, which collectively promote the bias toward neural crest while suppressing neural stem cell programmes, and subsequently enhance ectomesenchyme potential.
    1. Immunology and Inflammation

    Histone Deacetylase 7 mediates tissue-specific autoimmunity via control of innate effector function in invariant Natural Killer T Cells

    Herbert G Kasler, Intelly S Lee ... Eric Verdin
    The development of Natural Killer T Cells is controlled by Histone Deacetylase 7, a function that combined with its known role in thymic negative selection provides a potential mechanism explaining its association with tissue-specific autoimmunity in humans.

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