NDLI: Stress response in Drosophila melanogaster strain inactive with decreased tyramine and octopamine contents

Content Provider	Springer Nature Link
Author	Chentsova, N. Gruntenko, N. Bogomolova, E. Adonyeva, N. Karpova, E. Rauschenbach, I.
Copyright Year	2002
Abstract	Juvenile hormone hydrolysis, tyrosine decarboxylase activity, dopamine content and fitness (viability and fertility) were studied under normal and stress conditions in the adults of Drosophila melanogaster inactive strain carrying a mutation that decreases tyrosine decarboxylase activity and results in the lower contents of tyramine and octopamine. A sexual dimorphism of tyrosine decarboxylase activity, dopamine level and survival under heat stress in inactive flies was found. inactive adults showed higher dopamine levels and lower survival levels under heat stress as compared to wild type (Canton S) adults. Juvenile hormone degradation is decreased in young and increased in mature inactive females as compared to wild type. Fertility of the inactive strain did not differ from that of wild type strain under normal conditions, but after heat exposure the dynamics of its restoration was different. inactive females were found to develop the stress reaction, with juvenile hormone degradation, tyrosine decarboxylase activity, dopamine content and fertility levels used as the reaction indicators.
Starting Page	643
Ending Page	650
Page Count	8
File Format	PDF
ISSN	01741578
Journal	Journal of Comparative Physiology B
Volume Number	172
Issue Number	7
e-ISSN	1432136X
Language	English
Publisher	Springer-Verlag
Publisher Date	2002-08-24
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Content Type	Text
Resource Type	Article
Subject	Physiology Biochemistry Animal Science and Zoology Ecology, Evolution, Behavior and Systematics Endocrinology

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