Int. J. Environ. Res. Public Health 2008, 5(2), 120-124; doi:10.3390/ijerph5020120
Article

Juvenile Hormone Analogues, Methoprene and Fenoxycarb Dose-Dependently Enhance Certain Enzyme Activities in the Silkworm Bombyx Mori (L)

Devi M. Mamatha 1 , Vijaya K. Kanji 1 , Hari H. P. Cohly 2  and M. Rajeswara Rao 1,* email
1 Division of Sericulture, Department of Zoology, S. V. University, Tirupati-517 502, A. P., India 2 Department of Biology, Jackson State University,1400 J.R. Lynch street, Jackson MS, 39217, USA
* Author to whom correspondence should be addressed.
Received: 26 October 2007 / Accepted: 30 April 2008 / Published: 30 June 2008
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Abstract: Use of Juvenile Hormone Analogues (JHA) in sericulture practices has been shown to boost good cocoon yield; their effect has been determined to be dose-dependent. We studied the impact of low doses of JHA compounds such as methoprene and fenoxycarb on selected key enzymatic activities of the silkworm Bombyx mori. Methoprene and fenoxycarb at doses of 1.0 μg and 3.0fg/larvae/48 hours showed enhancement of the 5th instar B. mori larval muscle and silkgland protease, aspartate aminotransaminase (AAT) and alanine aminotransaminase (ALAT), adenosine triphosphate synthase (ATPase) and cytochrome-c-oxidase (CCO) activity levels, indicating an upsurge in the overall oxidative metabolism of the B.mori larval tissues.
Keywords: Juvenile hormone analogues; methoprene; fenoxycarb; silkworm bombyx mori (l); larva

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MDPI and ACS Style

Mamatha, D.M.; Kanji, V.K.; Cohly, H.H.P.; Rao, M.R. Juvenile Hormone Analogues, Methoprene and Fenoxycarb Dose-Dependently Enhance Certain Enzyme Activities in the Silkworm Bombyx Mori (L). Int. J. Environ. Res. Public Health 2008, 5, 120-124.

AMA Style

Mamatha DM, Kanji VK, Cohly HHP, Rao MR. Juvenile Hormone Analogues, Methoprene and Fenoxycarb Dose-Dependently Enhance Certain Enzyme Activities in the Silkworm Bombyx Mori (L). International Journal of Environmental Research and Public Health. 2008; 5(2):120-124.

Chicago/Turabian Style

Mamatha, Devi M.; Kanji, Vijaya K.; Cohly, Hari H.P.; Rao, M. R. 2008. "Juvenile Hormone Analogues, Methoprene and Fenoxycarb Dose-Dependently Enhance Certain Enzyme Activities in the Silkworm Bombyx Mori (L)." Int. J. Environ. Res. Public Health 5, no. 2: 120-124.

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