5 results found
    1. Developmental Biology

    A novel role for Ets4 in axis specification and cell migration in the spider Parasteatoda tepidariorum

    Matthias Pechmann et al.
    In the spider Parasteatoda tepidariorum the transcription factor Ets4 is needed for cumulus integrity, dorsoventral patterning and for the activation of hunchback and twist expression.
    1. Developmental Biology
    2. Evolutionary Biology

    Evolution of Segmentation: Sox enters the picture

    Felix Kaufholz, Natascha Turetzek
    The discovery of a gene that regulates two segmentation mechanisms in spider embryos is fueling the ongoing debate about the evolution of this crucial developmental process.
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    1. Developmental Biology
    2. Evolutionary Biology

    A SoxB gene acts as an anterior gap gene and regulates posterior segment addition in a spider

    Christian Louis Bonatto Paese et al.
    Sox21b-1 regulates simultaneous formation of anterior segments and addition of posterior segments in a spider, which resembles segmentation in long- and short-germ insects, and suggests SoxB regulation of segmentation is an ancestral feature of arthropods.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Ancient origins of arthropod moulting pathway components

    André Luiz de Oliveira et al.
    Evolutionary reconstruction of the ecdysis pathway shows that its major elements are present in the majority of metazoans, providing evidence that they originated much earlier than currently assumed.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    ketu mutant mice uncover an essential meiotic function for the ancient RNA helicase YTHDC2

    Devanshi Jain et al.
    The mouse gene Ythdc2 exemplifies an evolutionarily ancient family of crucial regulators of the transition from germline stem cell divisions to meiosis.

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