Proceedings: Animal Sciences

, Volume 98, Issue 2, pp 113–119 | Cite as

Hydroxysteroid dehydrogenases in the ovary of larva, pupa and adult eri silkworm,Philosamia ricini (Hutt.)—A histochemical study

  • H K Hurkadli
  • M A Hooli


Histochemical analysis of the various developmental stages ofPhilosamia ricini showed the presence of Δ5-3β-hydroxysteroid dehydrogenase, 17β-hydroxysteroid dehydrogenase, 11β-hydroxysteroid dehydrogenase and glucose-6-phosphate dehydrogenase in the lamellar epithelial cells, precursors of oocytes, nurse cells and follicle epithelial cells of the germarium of larva and pupa, oocyte-nurse cells complex, follicle epithelial cells of immature and mature follicles and intermediate cells of pupa suggesting that these tissues are able to metabolize Δ5-3β-hydroxysteroids, 17β-hydroxysteroids and 11β-hydroxysteroids to corresponding ketosteroids.


Eri silkworm ovary vitellogenesis hydroxysteroid dehydrogenases 


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Copyright information

© Indian Academy of Sciences 1989

Authors and Affiliations

  • H K Hurkadli
    • 1
  • M A Hooli
    • 2
  1. 1.Karnataka State Sericulture Development InstituteBangaloreIndia
  2. 2.Department of ZoologyKarnataka UniversityDharwadIndia

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