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Mech Dev. 1995 Aug;52(2-3):179-85.

Changes in gene expression during post-eclosional development in the olfactory system of Drosophila melanogaster.

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1
Department of BioStructure and Function, School of Dental Medicine, University of Connecticut Health Center, Farmington 06030, USA.

Abstract

We have found that the expression of some genes in Drosophila melanogaster changes during the life of the adult fly. These changes can be illustrated by the use of enhancer trap lines which mark the expression of particular genes in the adult fly. Although the fly is considered able to perform most necessary adult functions within the first 72 h after eclosion from the pupal case, we find changes in expression over the first 10 days of life in the antennae of several of the genes we have examined. Some genes change by increasing from an initially low level of expression of the marked gene, while other lines, which we have termed 'late-onset' genes, show no expression of the marked gene until 4-5 days following eclosion. In contrast, some genes decrease their expression during the first 10 days of life. The changes in gene expression seen over the first 10 days of the fly's adult life provides molecular evidence of the many maturational changes occurring during the early life of the adult fly.

PMID:
8541207
[Indexed for MEDLINE]
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