The origin of postembryonic neuroblasts in the ventral nerve cord of Drosophila melanogaster

Andreas Prokop, Gerhard M. Technau

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Embryonic and postembryonic neuroblasts in the thoracic ventral nerve cord of Drosophila melanogaster have the same origin. VVe have traced the development of threefold-labelled single precursor cells from the early gastrula stage to late larval stages. The technique allows in the same individual monitoring of progeny cells at embryonic stages (in vivo) and differentially staining embryonic and postembryonic progeny within the resulting neural clone at late postembryonic stages. The analysis reveals that postembryonic cells always appear together with embryonic cells in one clone. Furthermore, BrdU labelling suggests that the embryonic neuroblast itself rather than one of its progeny resumes proliferation as a postembryonic neuroblast. A second type of clone consists of embryonic progeny only.
    Original languageEnglish
    Pages (from-to)79-88
    Number of pages9
    JournalDevelopment
    Volume111
    Issue number1
    Publication statusPublished - Jan 1991

    Keywords

    • BrdU
    • Cell lineage
    • Drosophila
    • Neuroblasts
    • Neurogenesis

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