dFOXO transcription factor regulates juvenile hormone metabolism in Drosophila melanogaster females

dFOXO transcription factor regulates juvenile hormone metabolism in Drosophila melanogaster females dFOXO transcription factor is a component of the insulin/insulin-like growth factor signaling pathway in Drosophila. Juvenile hormone negatively regulates dFOXO gene expression. In the present work, the effect of hypomorphic dFOXO mutation on juvenile hormone metabolism under normal and stressing conditions and on D. melanogaster female resistance to thermal stress was studied. It was demonstrated that dFOXO mutation in D. melanogaster females induces (1) an increase in the level of juvenile hormone degradation and in the intensity of the response of the juvenile hormone metabolism system to thermal stress and (2) a decrease in thermal stress resistance. These parameters are indicators of the level of juvenile hormone synthesis and indicate its decrease in females with decreased dFOXO expression. Thus, the presence of feedback in the regulation of dFOXO gene expression by juvenile hormone was established for the first time. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

dFOXO transcription factor regulates juvenile hormone metabolism in Drosophila melanogaster females

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Publisher
Pleiades Publishing
Copyright
Copyright © 2015 by Pleiades Publishing, Inc.
Subject
Biomedicine; Human Genetics; Animal Genetics and Genomics; Microbial Genetics and Genomics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S1022795415080086
Publisher site
See Article on Publisher Site

Abstract

dFOXO transcription factor is a component of the insulin/insulin-like growth factor signaling pathway in Drosophila. Juvenile hormone negatively regulates dFOXO gene expression. In the present work, the effect of hypomorphic dFOXO mutation on juvenile hormone metabolism under normal and stressing conditions and on D. melanogaster female resistance to thermal stress was studied. It was demonstrated that dFOXO mutation in D. melanogaster females induces (1) an increase in the level of juvenile hormone degradation and in the intensity of the response of the juvenile hormone metabolism system to thermal stress and (2) a decrease in thermal stress resistance. These parameters are indicators of the level of juvenile hormone synthesis and indicate its decrease in females with decreased dFOXO expression. Thus, the presence of feedback in the regulation of dFOXO gene expression by juvenile hormone was established for the first time.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Sep 15, 2015

References

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