46 results found
    1. Chromosomes and Gene Expression

    Chromosome-wide mechanisms to decouple gene expression from gene dose during sex-chromosome evolution

    Bayly S Wheeler, Erika Anderson ... Barbara J Meyer
    A chromosome-wide mechanism balances X-linked gene expression between the sexes in C. elegans, but no similar chromosome-wide mechanism balances gene expression between X chromosomes and autosomes.
    1. Cell Biology

    Male meiotic spindle features that efficiently segregate paired and lagging chromosomes

    Gunar Fabig, Robert Kiewisz ... Thomas Müller-Reichert
    Chromosome segregation in male spermatocytes exhibits anaphase A without shortening of autosome-associated microtubules and partitioning of an unpaired X chromosome that is initiated by an imbalance of attached kinetochore microtubules.
    1. Chromosomes and Gene Expression

    Condensin controls recruitment of RNA polymerase II to achieve nematode X-chromosome dosage compensation

    William S Kruesi, Leighton J Core ... Barbara J Meyer
    C. elegans equalizes the expression of X-chromosome genes between the sexes by reducing the recruitment of RNA polymerase II to promoters of X-linked genes in hermaphrodites, using a chromosome-restructuring complex called condensin.
    1. Developmental Biology

    Regulation of X-linked gene expression during early mouse development by Rlim

    Feng Wang, JongDae Shin ... Ingolf Bach
    Single embryo RNA-seq combined with mouse genetics provides a comprehensive view on the roles of Rlim and Xist for the regulation of X-linked gene expression during early mouse embryogenesis.
    1. Evolutionary Biology

    Free-living human cells reconfigure their chromosomes in the evolution back to uni-cellularity

    Jin Xu, Xinxin Peng ... Chung-I Wu
    Human cell lines regress to become ‘de-sexualized’ by reconfiguring to a 2:3 X/A ratio of high fitness, thus shedding light on the evolution of mammalian sex chromosomes.
    1. Chromosomes and Gene Expression
    2. Developmental Biology

    N-terminus of Drosophila melanogaster MSL1 is critical for dosage compensation

    Valentin Babosha, Natalia Klimenko ... Oksana Maksimenko
    N‑terminus of MSL1 protein, involved in dosage compensation in Drosophila, is required for the interaction with non-coding roX2 RNA and the assembly of the complex on the male X chromosome.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Condensin DC loads and spreads from recruitment sites to create loop-anchored TADs in C. elegans

    Jun Kim, David S Jimenez ... Sevinc Ercan
    Loading and linear translocation of condensin dosage compensation along the X-chromosomes create the loop-anchored topologically associating domains detected by Hi-C.
    1. Evolutionary Biology

    Sex Chromosome Evolution: Culture shock

    Antoine Molaro, Harmit S Malik
    Many different human cell lines, including both normal and cancer cells, appear to converge to a state that contains an unusual number of chromosomes when they are grown in culture.
    Version of Record
    Insight
    1. Evolutionary Biology
    2. Genetics and Genomics

    Evolution of gene dosage on the Z-chromosome of schistosome parasites

    Marion A L Picard, Celine Cosseau ... Beatriz Vicoso
    An analysis of gene dosage at the DNA, RNA and protein level yields new insights into the early stages of Z-chromosome dosage compensation in schistosome parasites.
    1. Evolutionary Biology
    2. Genetics and Genomics

    A paternal bias in germline mutation is widespread in amniotes and can arise independently of cell division numbers

    Marc de Manuel, Felix L Wu, Molly Przeworski
    A paternal bias in germline mutation is seen throughout amniotes and may be explained by sex differences in DNA damage and repair after primordial germ cell specification.

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