Posterior segmentation of the Drosophila embryo in the absence of a maternal posterior organizer gene |
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Authors: | M Hülskamp C Schr?der C Pfeifle H J?ckle D Tautz |
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Affiliation: | Institut für Genetik und Mikrobiologie, Universit?t München, FRG. |
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Abstract: | Maternal hunchback activity suppresses the genetic pathway for abdomen formation in the Drosophila embryo. The active component of the posterior group of maternal genes, nanos, acts as a specific repressor of hunchback in the posterior region. Absence of both repressors results in normal embryos, indicating that posterior segmentation may not directly require maternal determinants. |
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