期刊
JOURNAL OF INSECT PHYSIOLOGY
卷 72, 期 -, 页码 22-27出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jinsphys.2014.11.003
关键词
Juvenile hormone; Mosquito; Hemolymph; Biosynthesis; Corpora allata
资金
- NIH [AI 45545]
- NATIONAL INSTITUTE OF ALLERGY AND INFECTIOUS DISEASES [R01AI045545] Funding Source: NIH RePORTER
Juvenile hormone III (JH) is synthesized by the corpora allata (CA) and plays a key role in mosquito development and reproduction. A decrease in JH titer during the last instar larvae allows pupation and metamorphosis to proceed. As the anti-metamorphic role of JH comes to an end, the CA of the late pupa once again synthesizes JH, which plays an essential role in orchestrating reproductive maturation. In spite of the importance ofAedes aegypti as a vector, a detailed study of the changes of JH hemolymph titers during the gonotrophic cycle has never been performed. In the present studies, using a high performance liquid chromatography coupled to a fluorescent detector (HPLC-FD) method, we measured changes in JH levels in the hemolymph of female mosquitoes during the pupal and adult stages. Our results revealed tightly concomitant changes in JH biosynthesis and JH hemolymph titers during the gonotrophic cycle of female mosquito. Feeding high sugar diets resulted in an increase of JH titers, and mating also modified JH titers in hemolymph. In addition these studies confirmed that JH titer in mosquitoes is fundamentally determined by the rate of biosynthesis in the CA. (C) 2014 Elsevier Ltd. All rights reserved.
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