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. 1994 Dec 15;304(Pt 3):775–779. doi: 10.1042/bj3040775

Specificity and localization of lipolytic activity in adult Drosophila melanogaster.

G M Smith 1, K Rothwell 1, S L Wood 1, S J Yeaman 1, M Bownes 1
PMCID: PMC1137401  PMID: 7818480

Abstract

The triacylglycerol lipases present in adult Drosophila melanogaster have been investigated. Different lipase activities are present in various tissues in the fly. In particular, an abundant lipase activity is present in the male accessory gland. An esterase null mutant was used to confirm that the enzyme activity was due to a distinct lipase and not non-specific activity from esterase 6 which is also abundant in accessory glands. The properties of the accessory-gland lipase were investigated, and pH optima and substrate utilization suggest that it has some similarities to vertebrate bile-salt-stimulated lipase. Lipase activity is significantly reduced in males and increased in females shortly after mating. This finding suggests that lipase activity is transferred to the female and may be important in mating and reproduction in Drosophila.

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Selected References

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