21 results found
    1. Evolutionary Biology
    2. Genetics and Genomics

    Deep sampling of Hawaiian Caenorhabditis elegans reveals high genetic diversity and admixture with global populations

    Tim A Crombie et al.
    Hawaiian Caenorhabditis elegans harbor high levels of genetic diversity that might represent the complex patterns of ancestral diversity in the species prior to human influence.
    1. Stem Cells and Regenerative Medicine

    A mex3 homolog is required for differentiation during planarian stem cell lineage development

    Shu Jun Zhu et al.
    The planarian mex3-1 gene is required for non-stem cell fates and suppresses a stem cell fate in differentiating cells.
    1. Developmental Biology
    2. Genetics and Genomics

    The genome of the crustacean Parhyale hawaiensis, a model for animal development, regeneration, immunity and lignocellulose digestion

    Damian Kao et al.
    The first malacostracan genome sequence will establish the genetically tractable Parhyale hawaiensis as a model organism in this key animal group.
    1. Evolutionary Biology
    2. Genetics and Genomics

    The effect of hybridization on transposable element accumulation in an undomesticated fungal species

    Mathieu Hénault et al.
    Transposable elements are not reactivated in natural hybrids of the yeast Saccharomyces paradoxus, but their accumulation is genotype-specific and is not predicted by the evolutionary divergence between a hybrid's parents.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Nongenetic inheritance and multigenerational plasticity in the nematode C. elegans

    L Ryan Baugh, Troy Day
    Evidence is mounting that environmentally-induced adaptive changes in phenotype can be transmitted across generations, but mechanistic gaps and theoretical concerns must be addressed to impact mainstream views of evolutionary adaptation.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Epigenetic drift of H3K27me3 in aging links glycolysis to healthy longevity in Drosophila

    Zaijun Ma et al.
    Epigenetic drift of H3K27me3 is one of the molecular mechanisms that contribute to aging, and stimulation of glycolysis promotes metabolic health and longevity.
    1. Stem Cells and Regenerative Medicine

    Selective amputation of the pharynx identifies a FoxA-dependent regeneration program in planaria

    Carolyn E Adler et al.
    A chemical method has been developed for studying single organ regeneration and fate specification of stem cells in an adult organism.
    1. Cell Biology
    2. Developmental Biology

    Endogenous siRNAs promote proteostasis and longevity in germline-less Caenorhabditis elegans

    Moran Cohen-Berkman et al.
    Endo-siRNAs slow down the rate of aging and enable the maintenance of a responsive heat shock response in aging germline-less Caenorhabditis elegans.
    1. Developmental Biology

    A widely employed germ cell marker is an ancient disordered protein with reproductive functions in diverse eukaryotes

    Michelle A Carmell et al.
    GCNA proteins comprise a previously unnoticed family of proteins that has been enriched in cells carrying a heritable genome since the invention of sexual reproduction in eukaryotes, and has had reproductive function for at least 600 million years.
    1. Developmental Biology

    tec-1 kinase negatively regulates regenerative neurogenesis in planarians

    Alexander Karge et al.
    RNAi screening in planarians finds that inhibition of the TEC-family protein tyrosine kinase tec-1 increases the regeneration of neurons through enhancement of cell survival.

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