195 results found
    1. Developmental Biology
    2. Chromosomes and Gene Expression

    The splicing regulator PTBP1 controls the activity of the transcription factor Pbx1 during neuronal differentiation

    Anthony J Linares et al.
    The RNA binding protein PTBP1 controls an extensive program of alternative splicing in embryonic stem cells, one function of which is to repress neuronal transcriptional programs.
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Polypyrimidine tract binding protein 1 protects mRNAs from recognition by the nonsense-mediated mRNA decay pathway

    Zhiyun Ge et al.
    The RNA-binding protein PTBP1 is recruited to sites near stop codons in retroviral and human mRNAs, shielding them from detection and degradation by the nonsense-mediated mRNA decay pathway.
    1. Computational and Systems Biology
    2. Chromosomes and Gene Expression

    A new view of transcriptome complexity and regulation through the lens of local splicing variations

    Jorge Vaquero-Garcia et al.
    New methods reveal that complex local splicing variations are more prevalent in animals than previously appreciated, and demonstrate that local splicing variations are relevant for studies of development, gene regulation and neurodegenerative diseases.
    1. Chromosomes and Gene Expression
    2. Immunology and Inflammation

    Polypyrimidine tract-binding proteins are essential for B cell development

    Elisa Monzón-Casanova et al.
    The RNA-binding protein polypyrimidine tract-binding protein 1 (PTBP1) is essential for B cell development at the pro-B cell stage where it suppresses S-phase entry and promotes progression through mitosis.
    1. Plant Biology
    2. Genetics and Genomics

    The Natural History of Model Organisms: Genetic, evolutionary and plant breeding insights from the domestication of maize

    Sarah Hake, Jeffrey Ross-Ibarra
    Comparing maize to its wild ancestor teosinte advances our understanding of how it and other cereal crops evolved, and also identifies the genetic variation that can contribute to important agricultural traits.
    1. Epidemiology and Global Health
    2. Microbiology and Infectious Disease

    Science Forum: Viral factors in influenza pandemic risk assessment

    Marc Lipsitch et al.
    We identify key strengths and limitations in use of viral genotyping and phenotyping to estimate pandemic risk from influenza A viruses, focusing on 3 traits, hemagglutinin binding specificity, hemagglutinin pH of activation, and polymerase complex efficiency.
    1. Microbiology and Infectious Disease

    pp32 and APRIL are host cell-derived regulators of influenza virus RNA synthesis from cRNA

    Kenji Sugiyama et al.
    The host-derived factors, pp32 and APRIL, interact with influenza viral RNA polymerase to support viral genomic RNA synthesis from complementary RNA.
    1. Evolutionary Biology
    2. Plant Biology

    Origin and evolution of the nuclear auxin response system

    Sumanth K Mutte et al.
    The system that controls gene expression by the plant signaling molecule auxin has deep evolutionary roots, and stepwise increases in system complexity shaped the highly diverse auxin response in land plants.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    E3 ubiquitin ligase Bre1 couples sister chromatid cohesion establishment to DNA replication in Saccharomyces cerevisiae

    Wei Zhang et al.
    E3 ubiquitin ligase Bre1-induced H2B monoubiquitination is epigenetically important for recruiting replication factor Mcm10 and cohesion establishment factors Ctf4, Ctf18 and Eco1 to early replication origins to establish sister chromatid cohesion.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    CDK-regulated dimerization of M18BP1 on a Mis18 hexamer is necessary for CENP-A loading

    Dongqing Pan et al.
    The stoichiometry and mechanism of interactions of the Mis18 complex with M18BP1 was analysed to unveil the molecular basis of new CENP-A deposition during the G1 phase of the cell cycle.

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