385 results found
    1. Chromosomes and Gene Expression

    Multiple kinases inhibit origin licensing and helicase activation to ensure reductive cell division during meiosis

    David V Phizicky, Luke E Berchowitz, Stephen P Bell
    Meiotic cells inhibit two distinct steps of replisome assembly with multiple kinases to prevent DNA replication between Meiosis I and Meiosis II.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    N6-methyladenosine (m6A) reader Pho92 is recruited co-transcriptionally and couples translation to mRNA decay to promote meiotic fitness in yeast

    Radhika A Varier, Theodora Sideri ... Folkert J van Werven
    N6-methyladenosine (m6A) reader Pho92 is directed by Paf1C to meiotic mRNAs in an m6A-dependent and independent manner and promotes CCR4-NOT-mediated mRNA decay of m6A modified transcripts contingent on translation.
    1. Chromosomes and Gene Expression

    The yeast RNA methylation complex consists of conserved yet reconfigured components with m6A-dependent and independent roles

    Imke Ensinck, Alexander Maman ... Folkert J van Werven
    The N6-methyladenosine (m6A) methyltransferase complex in budding yeast is highly conserved, yet reconfigured with respect to its mammalian counterpart and has both m6A-dependent and m6A-independent functions.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Large protein organelles form a new iron sequestration system with high storage capacity

    Tobias W Giessen, Benjamin J Orlando ... Pamela A Silver
    An alternative iron storage system based on a 9.6 megadalton microbial protein compartment is able to sequester and store large amounts of iron.
    1. Ecology

    Genetic transformation of the dinoflagellate chloroplast

    Isabel C Nimmo, Adrian C Barbrook ... Christopher J Howe
    Successful stable transformation of the dinoflagellate chloroplast genome.
    1. Biochemistry and Chemical Biology
    2. Evolutionary Biology

    Ancestral resurrection reveals evolutionary mechanisms of kinase plasticity

    Conor J Howard, Victor Hanson-Smith ... Liam J Holt
    Reconstructing ancestral enzymes has revealed that a switch in kinase substrate preference evolved via an expanded specificity intermediate that is tolerated in vivo, thus providing a path for kinase diversification.
    1. Chromosomes and Gene Expression

    Kinetochore inactivation by expression of a repressive mRNA

    Jingxun Chen, Amy Tresenrider ... Elçin Ünal
    Rather than being a protein coding unit, an mRNA molecule can serve a purely regulatory function to inhibit protein synthesis of its corresponding gene.
    1. Chromosomes and Gene Expression

    Control of meiotic entry by dual inhibition of a key mitotic transcription factor

    Amanda J Su, Siri C Yendluri, Elçin Ünal
    Investigation of how cells rewire their transcriptional programs during transition from mitotic to meiotic cell fate reveals a two-pronged mechanism for inactivating a key mitotic transcription factor.
    1. Chromosomes and Gene Expression

    Transcription of a 5’ extended mRNA isoform directs dynamic chromatin changes and interference of a downstream promoter

    Minghao Chia, Amy Tresenrider ... Folkert Jacobus van Werven
    Expression of a 5' extended mRNA isoform represses transcription of a downstream promoter.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    A specific role for importin-5 and NASP in the import and nuclear hand-off of monomeric H3

    Alonso Javier Pardal, Andrew James Bowman
    Histone H3 can translocate to the nucleus as a monomer through a pathway governed by importin-5 and transfers to the histone chaperone NASP, having implications in the folding of H3-H4 dimers and, therefore, the kinetics of genome packaging during replication.

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