30 results found
    1. Chromosomes and Gene Expression

    Human ORC/MCM density is low in active genes and correlates with replication time but does not delimit initiation zones

    Nina Kirstein, Alexander Buschle ... Aloys Schepers
    Replication origins are established throughout the genome with the exception of transcribed genes, and the local chromatin composition likely modulates the density of ORC and MCM as well as origin activation.
    1. Chromosomes and Gene Expression

    Integrative analysis of DNA replication origins and ORC-/MCM-binding sites in human cells reveals a lack of overlap

    Mengxue Tian, Zhenjia Wang ... Chongzhi Zang
    The ~20,000 origins of replication in human cell lines that are reproducibly identified by multiple techniques in multiple cell lines are distant from known origin recognition complex and MCM2-7-binding sites.
    1. Chromosomes and Gene Expression

    Centromere deletion in Cryptococcus deuterogattii leads to neocentromere formation and chromosome fusions

    Klaas Schotanus, Joseph Heitman
    Centromere deletion in Cryptococcus deuterogattii results in neocentromeres, which span actively expressed genes and at elevated temperatures cen10∆ mutants are unstable leading to chromosome fusion and silencing of the neocentromere.
    1. Chromosomes and Gene Expression
    2. Stem Cells and Regenerative Medicine

    TERRA regulate the transcriptional landscape of pluripotent cells through TRF1-dependent recruitment of PRC2

    Rosa María Marión, Juan J Montero ... Maria A Blasco
    Telomeric TRF1 controls the transcriptional programmes of pluripotent stem cells by recruiting PRC2 to pluripotency and differentiation genes by controlling the expression of those gene sites and the binding of TERRA RNAs to them.
    1. Chromosomes and Gene Expression

    The transcriptional cofactor TRIM33 prevents apoptosis in B lymphoblastic leukemia by deactivating a single enhancer

    Eric Wang, Shinpei Kawaoka ... Christopher R Vakoc
    TRIM33 performs an essential function in B cell acute lymphoblastic leukemia through an association with a single cis element.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    Evolution of reduced co-activator dependence led to target expansion of a starvation response pathway

    Bin Z He, Xu Zhou, Erin K O’Shea
    The phosphate starvation response network in a commensal yeast evolved to expand its downstream targets via changes in the main transcription factor's dependence on its co-activator, potentially altering the physiological response.
    1. Developmental Biology
    2. Genetics and Genomics

    Mapping the mouse Allelome reveals tissue-specific regulation of allelic expression

    Daniel Andergassen, Christoph P Dotter ... Quanah J Hudson
    Allele-specific expression due to genetic differences, X-chromosome inactivation or genomic imprinting, varies dynamically throughout development, and may be explained by allele-specific differences in stability or the actions of tissue-specific enhancers.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Distinguishing between recruitment and spread of silent chromatin structures in Saccharomyces cerevisiae

    Molly Brothers, Jasper Rine
    Heterochromatin proteins like the SIR complex in budding yeast use different mechanisms for recruitment to nucleation sites and long-range spread to create a domain of transcriptional silencing.
    1. Chromosomes and Gene Expression
    2. Microbiology and Infectious Disease

    SARS-CoV-2 Nsp14 mediates the effects of viral infection on the host cell transcriptome

    Michela Zaffagni, Jenna M Harris ... Sebastian Kadener
    In the context of SARS-CoV-2 infection, Nsp14 alters gene expression of the host cell through the interaction with the cellular enzyme IMPDH2.
    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.

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