158 results found
    1. Chromosomes and Gene Expression

    Histone H2B ubiquitylation represses gametogenesis by opposing RSC-dependent chromatin remodeling at the ste11 master regulator locus

    Philippe Materne, Enrique Vázquez ... Damien Hermand
    Building on previous work (Materne et al., 2015), it is shown that the ubiquitylation of histone H2B represses cell differentiation by opposing chromatin remodeling at the promoter of the master regulator of gametogenesis, ste11
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Multiple short windows of calcium-dependent protein kinase 4 activity coordinate distinct cell cycle events during Plasmodium gametogenesis

    Hanwei Fang, Natacha Klages ... Mathieu Brochet
    CDPK4 is a pleiotropic regulator controlling initiation of DNA replication, mitotic spindle assembly and flagellar activation during the early stages of Plasmodium transmission.
    1. Evolutionary Biology

    The essential role of Dnmt1 in gametogenesis in the large milkweed bug Oncopeltus fasciatus

    Joshua T Washington, Katelyn R Cavender ... Patricia J Moore
    The maintenance DNA methyltransferase DNMT1 is required for the transition of spermatogonia to spermatocytes both during larval testis development and adult sperm replenishment in the insect Oncopeltus fasciatus.
    1. Evolutionary Biology

    Genetic and karyotype divergence between parents affect clonality and sterility in hybrids

    Anatolie Marta, Tomáš Tichopád ... Karel Janko
    Crosses of loaches with various genetic and karyptype divergence cause different reproductive outcomes in hybrids, ranging from sexual reproduction to sterility, inviability, and clonality among females.
    1. Chromosomes and Gene Expression
    2. Plant Biology

    Natural depletion of histone H1 in sex cells causes DNA demethylation, heterochromatin decondensation and transposon activation

    Shengbo He, Martin Vickers ... Xiaoqi Feng
    Transposon activation during male gametogenesis is caused by interactions between DNA demethylation and linker histone H1, developmental depletion of which promotes pollen fertility.
    1. Microbiology and Infectious Disease

    A divergent cyclin/cyclin-dependent kinase complex controls the atypical replication of a malaria parasite during gametogony and transmission

    Aurélia C Balestra, Mohammad Zeeshan ... Mathieu Brochet
    Multiple steps of the atypical cell cycles underlying Plasmodium gametogony are controlled by a divergent cyclin/cyclin-dependent complex.
    1. Developmental Biology
    2. Stem Cells and Regenerative Medicine

    Cystic proliferation of germline stem cells is necessary to reproductive success and normal mating behavior in medaka

    Luisa F Arias Padilla, Diana C Castañeda-Cortés ... Juan I Fernandino
    In medaka fish, the reduction of cystic proliferation of germ stem cells declines gametogenesis, reproduction success, and male sexual behavior, with a decrease of mating vigor.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    ATR/Mec1 prevents lethal meiotic recombination initiation on partially replicated chromosomes in budding yeast

    Hannah G Blitzblau, Andreas Hochwagen
    During meiosis, budding yeast use a checkpoint involving the protein Mec1 to prevent the formation of double-strand breaks in DNA that has not completed replication.
    1. Evolutionary Biology

    Evolution of Yin and Yang isoforms of a chromatin remodeling subunit precedes the creation of two genes

    Wen Xu, Lijiang Long ... Patrick T McGrath
    Gene sharing through different isoforms can precede the formation of independent genes.
    1. Developmental Biology
    2. Genetics and Genomics

    A low-tech, cost-effective and efficient method for safeguarding genetic diversity by direct cryopreservation of poultry embryonic reproductive cells

    Tuanjun Hu, Lorna Taylor ... Michael J McGrew
    A simple cryopreservation method using chicken eggs will be a valuable tool to safeguard genetic diversity and conserve the 1600 local breeds of chicken on the planet.

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