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J Neurogenet. 1991;7(4):241-52.

The distribution of transcripts of neurogenic genes in neurogenic mutants of Drosophila melanogaster.

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Institut für Entwicklungsphysiologie, Universität zu Köln, Germany.


The neurogenic genes of Drosophila melanogaster are required for correct separation of neural and epidermal progenitor cells during early embryogenesis. Results from genetic analyses indicate that the neurogenic genes are functionally related. We have studied the spatial distribution of RNA from the neurogenic genes D1, neu, and m4, m5, m7 and E(spl) [four genes of the Enhancer of split complex] in various neurogenic mutant embryos by in situ hybridization. An abnormal distribution of RNA from certain of the genes is found in neurogenic mutants, suggesting that at least some of the functional interactions inferred from genetic data take place at the transcriptional level. We discuss these results in relation to the events of early neurogenesis.

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