Two-tiered regulation of spatially patterned engrailed gene expression during Drosophila embryogenesis.
作者： Stephen DiNardo , Elizabeth Sher , Jill Heemskerk-Jongens , Judith A. Kassis , Patrick H. O'Farrell
DOI: 10.1038/332604A0
关键词:
摘要: A regulatory cascade, initiated during the syncytial stage of embryogenesis, culminates in striped pattern engrailed gene expression at cellular blastoderm stage. The early genes, for example pair-rule are expressed transiently and as their products decay a distinct programme involving segment polarity genes takes over. This late maintains perhaps modifies through interactions that may involve cell communication.
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