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

Author

Listed:
  • Devi M. Mamatha

    (Division of Sericulture, Department of Zoology, S. V. University, Tirupati-517 502, A. P., India)

  • Vijaya K. Kanji

    (Division of Sericulture, Department of Zoology, S. V. University, Tirupati-517 502, A. P., India)

  • Hari H. P. Cohly

    (Department of Biology, Jackson State University,1400 J.R. Lynch street, Jackson MS, 39217, USA)

  • M. Rajeswara Rao

    (Division of Sericulture, Department of Zoology, S. V. University, Tirupati-517 502, A. P., India)

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.

Suggested Citation

  • Devi M. Mamatha & Vijaya K. Kanji & Hari H. P. Cohly & M. Rajeswara Rao, 2008. "Juvenile Hormone Analogues, Methoprene and Fenoxycarb Dose-Dependently Enhance Certain Enzyme Activities in the Silkworm Bombyx Mori (L)," IJERPH, MDPI, vol. 5(2), pages 1-5, June.
    • Handle: RePEc:gam:jijerp:v:5:y:2008:i:2:p:120-124:d:2307
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