82 results found
    1. Chromosomes and Gene Expression
    2. Evolutionary Biology

    Post-fertilization transcription initiation in an ancestral LTR retrotransposon drives lineage-specific genomic imprinting of ZDBF2

    Hisato Kobayashi, Tatsushi Igaki ... Kazuki Kurimoto
    A novel mechanism for the establishment of species-specific imprinting emerged through LTR insertion and post-fertilization activation.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    KRAB-zinc finger protein gene expansion in response to active retrotransposons in the murine lineage

    Gernot Wolf, Alberto de Iaco ... Todd S Macfarlan
    Unbiased ChIP-seq screens and genetic knockouts of large Kruppel associated box zinc finger protein (KRAB-ZFP) clusters reveal that evolutionarily young KRAB-ZFPs play a redundant role in retrotransposon restriction in mice.
    1. Stem Cells and Regenerative Medicine
    2. Genetics and Genomics

    Mobilization of LINE-1 retrotransposons is restricted by Tex19.1 in mouse embryonic stem cells

    Marie MacLennan, Marta García-Cañadas ... Ian R Adams
    Post-translational regulation of retrotransposons plays a key role in preventing retrotransposon mobilization in the epigenetically dynamic mouse germline.
    1. Chromosomes and Gene Expression

    ZMYM2 controls human transposable element transcription through distinct co-regulatory complexes

    Danielle J Owen, Elisa Aguilar-Martinez ... Andrew D Sharrocks
    The transcriptional regulator ZMYM2 homes to distinct classes of retrotransposons bound by the TRIM28 and ChAHP chromatin complexes in human cells, which is broadly relevant in the transcriptional regulation field.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    A spontaneous genetically induced epiallele at a retrotransposon shapes host genome function

    Tessa M Bertozzi, Nozomi Takahashi ... Anne C Ferguson-Smith
    A retrotransposon-derived recombination event in inbred mice gives rise to an epiallele and tissue-specific phenotypes.
    1. Chromosomes and Gene Expression
    2. Structural Biology and Molecular Biophysics

    Human LINE-1 retrotransposition requires a metastable coiled coil and a positively charged N-terminus in L1ORF1p

    Elena Khazina, Oliver Weichenrieder
    Human LINE-1 retrotransposition is found to critically depend on the rapidly evolving N-terminal sequence of the LINE-1 ORF1 protein and on the metastability of its coiled coil domain, indicating uncharacterized steps in LINE-1 retrotransposition.
    1. Evolutionary Biology

    The evolution of transposable elements in Brachypodium distachyon is governed by purifying selection, while neutral and adaptive processes play a minor role

    Robert Horvath, Nikolaos Minadakis ... Anne C Roulin
    Disentangling the different selective forces shaping the evolutionary dynamics of transposable elements (TEs) in the wild grass Brachypodium distachyon.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Template switching during DNA replication is a prevalent source of adaptive gene amplification

    Julie N Chuong, Nadav Ben Nun ... David Gresham
    Template switching during DNA replication is a frequent source of adaptive gene amplification.
    1. Genetics and Genomics

    Establishment of H3K9me3-dependent heterochromatin during embryogenesis in Drosophila miranda

    Kevin H-C Wei, Carolus Chan, Doris Bachtrog
    Heterochromatin is established at nucleation sites associated with open chromatin and RNA transcripts and matures into stable domains if they are found near transposable elements targeted by maternally deposited piRNAs.
    1. Chromosomes and Gene Expression

    Artificially stimulating retrotransposon activity increases mortality and accelerates a subset of aging phenotypes in Drosophila

    Joyce Rigal, Ane Martin Anduaga ... Michael T Marr
    A genetic approach indicates that increased active somatic transposon activity can decrease life span and affect some but not all hallmarks of aging.

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