216 results found
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Meiosis I chromosome segregation is established through regulation of microtubule–kinetochore interactions

    Matthew P Miller, Elçin Ünal ... Angelika Amon
    Preventing premature interactions between microtubules and protein-based structures called kinetochores ensures that chromosomes are segregated by meiosis rather than mitosis in reproductive cells.
    1. Biochemistry and Chemical Biology
    2. Neuroscience

    NOVA-dependent regulation of cryptic NMD exons controls synaptic protein levels after seizure

    Taesun Eom, Chaolin Zhang ... Robert B Darnell
    The HITS-CLIP sequencing method is used to demonstrate that cryptic exons can detect messenger RNA that contains nonsense mutations, and then cause this RNA to decay, which shows that these exons are involved in maintaining the electrical balance of neurons and, possibly, preventing epilepsy.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Expression site attenuation mechanistically links antigenic variation and development in Trypanosoma brucei

    Christopher Batram, Nicola G Jones ... Markus Engstler
    The VSG gene controls its monoallelic expression, and expression site activity determines developmental progression.
    1. Chromosomes and Gene Expression
    2. Cancer Biology

    Global analysis of p53-regulated transcription identifies its direct targets and unexpected regulatory mechanisms

    Mary Ann Allen, Zdenek Andrysik ... Joaquin M Espinosa
    The first global analysis of the effects of the transcription factor p53 on RNA synthesis illuminates several novels aspects of the molecular mechanism of action of this potent tumor suppressor.
    1. Cell Biology
    2. Developmental Biology

    Coordinated control of senescence by lncRNA and a novel T-box3 co-repressor complex

    Pavan Kumar P, Uchenna Emechebe ... Anne M Moon
    A novel master regulatory mechanism of cell proliferation and senscence employs the lncRNA UCA1 and a CAPERα/TBX3 corepressor.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Identification of human TERT elements necessary for telomerase recruitment to telomeres

    Jens C Schmidt, Andrew B Dalby, Thomas R Cech
    The TEN-domain of human telomerase mediates the direct interaction with TPP1 to drive telomerase recruitment to telomeres.
    1. Cell Biology

    Role of SAGA in the asymmetric segregation of DNA circles during yeast ageing

    Annina Denoth-Lippuner, Marek Konrad Krzyzanowski ... Yves Barral
    The SAGA complex binds non-chromosomal DNA circles and prevents their spreading by attaching them to nuclear pores, thereby leading to the concomitant accumulation of DNA circles and pores in ageing yeast mother cells.
    1. Biochemistry and Chemical Biology
    2. Stem Cells and Regenerative Medicine

    The dyskerin ribonucleoprotein complex as an OCT4/SOX2 coactivator in embryonic stem cells

    Yick W Fong, Jaclyn J Ho ... Robert Tjian
    A previously unrecognized transcriptional coactivator function of the dyskerin ribonucleoprotein complex and its associated small nucleolar RNA has been uncovered and mediates embryonic stem cell-specific transcription.
    1. Cell Biology
    2. Stem Cells and Regenerative Medicine

    Recurrent turnover of senescent cells during regeneration of a complex structure

    Maximina H Yun, Hongorzul Davaapil, Jeremy P Brockes
    Senescent cells are recurrently induced during limb regeneration in salamanders and subsequently eliminated by a highly efficient mechanism of macrophage-dependent surveillance.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Mitotic fidelity requires transgenerational action of a testis-restricted HP1

    Mia T Levine, Helen M Vander Wende, Harmit S Malik
    Analysis of a spermiogenesis protein reveals a new chromatin requirement for synchrony between maternal DNA packaged in the egg and sperm-packaged paternal DNA in the first embryonic mitosis in Drosophila melanogaster.

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