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IJEB Vol.45(10) [October 2007] >


Title: Juvenile hormone activity in Dysdercus cingulatus Fabr by juvenile hormone esterase inhibitor, OTFP
Authors: Elayidam, U Gayathri
Muraleedharan, D
Keywords: Dysdercus cingulatus
Juvenile hormone esterase
Metamorphosis
3-octylthio-1,1,1-trifluropropan-2-one (OTFP)
Trifluropropanones
Issue Date: Oct-2007
Publisher: CSIR
Abstract: Application of juvenile hormone esterase inhibitor 3-octylthio-1,1,1- trifluropropan-2-one (OTFP) to 5th instar nymphs and virgin females of D. cingulatus revealed the profound role played by juvenile hormone esterase (JHE) in metamorphosis and reproduction. The ability of OTFP to cause delay and the formation of malformed nymphs, suggests that inhibition of JHE in vivo maintains a higher than normal hemolymph JH titer. It is obvious that OTFP does inhibit in vivo JHE activity in late instar nymphs. Further, the application of JHE inhibitor, OTFP to virgin females demonstrates that substituted trifluropropanones can indirectly stimulate egg development by inhibiting JHE activity in virgin females.
Page(s): 901-906
ISSN: 0975-1009 (Online); 0019-5189 (Print)
Source:IJEB Vol.45(10) [October 2007]

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