181 results found
    1. Ecology

    Positive density dependence acting on mortality can help maintain species-rich communities

    Thomas G Aubier
    Some forms of positive density-dependence can favor species coexistence even if competitive species benefit the most from positive density-dependence.
    1. Epidemiology and Global Health

    The effects of a deleterious mutation load on patterns of influenza A/H3N2's antigenic evolution in humans

    Katia Koelle, David A Rasmussen
    Deleterious mutations slow down flu's antigenic evolution, make it more punctuated in nature, and reduce the virus's genetic diversity.
    1. Cell Biology
    2. Developmental Biology

    Caenorhabditis elegans PIEZO channel coordinates multiple reproductive tissues to govern ovulation

    Xiaofei Bai, Jeff Bouffard ... Andy Golden
    Depletion of the mechanosensitive ion channel PEZO-1 in C. elegans disrupts the sheath and spermathecae cells to disrupt oocyte ovulation, resulting in crushed oocytes.
    1. Developmental Biology
    2. Genetics and Genomics

    Somatic aging pathways regulate reproductive plasticity in Caenorhabditis elegans

    Maria C Ow, Alexandra M Nichitean, Sarah E Hall
    Somatic aging and germline RNAi pathways promote inheritance of ancestral starvation memory through reallocation of fat storage in Caenorhabditis elegans.
    1. Ecology

    Migration confers winter survival benefits in a partially migratory songbird

    Daniel Zúñiga, Yann Gager ... Jesko Partecke
    Testing of fitness-related benefits in migratory population of European blackbirds offers confirming predictions of theoretical models on the evolution and maintenance of migration.
    1. Cell Biology

    Loss of flavin adenine dinucleotide (FAD) impairs sperm function and male reproductive advantage in C. elegans

    Chia-An Yen, Dana L Ruter ... Sean P Curran
    Loss of FAD stemming from cell autonomous defects in mitochondrial proline catabolism impairs sperm quality male reproductive advantage in C. elegans.
    1. Developmental Biology

    Endocrine remodelling of the adult intestine sustains reproduction in Drosophila

    Tobias Reiff, Jake Jacobson ... Irene Miguel-Aliaga
    A hormone released after mating acts directly on adult intestinal progenitors and differentiated epithelial cells in Drosophila to change their homeostatic setpoint and maximise fecundity.
    1. Developmental Biology

    End-of-life targeted degradation of DAF-2 insulin/IGF-1 receptor promotes longevity free from growth-related pathologies

    Richard Venz, Tina Pekec ... Collin Yvès Ewald
    Inducible degradation of the insulin/insulin-like growth factor-1 receptor shows that a doubling in lifespan is possible even at extremely old ages in an organism.
    1. Computational and Systems Biology

    Empirical single-cell tracking and cell-fate simulation reveal dual roles of p53 in tumor suppression

    Ann Rancourt, Sachiko Sato, Masahiko S Satoh
    Single-cell tracking and cell-fate simulation suggest that low levels of p53 suppress aneuploid cell formation in unstressed cells and also reveal the dual fate of cells lacking p53 in the presence of p53-proficient cells.
    1. Cell Biology
    2. Developmental Biology

    Human embryo polarization requires PLC signaling to mediate trophectoderm specification

    Meng Zhu, Marta Shahbazi ... Magdalena Zernicka Goetz
    Functional analyses of in vitro fertilized, preimplanation human embryos reveal that the first lineage segregation depends on cell polarization signaling that is regulated by Phospholipase C (PLC) activity.

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