NDLI: Immunocytochemical localization of gonadotropins during the development of XX and XY Nile tilapia

Content Provider	Springer Nature Link
Author	Sakai, F. Swapna, I. Sudhakumari, C. C. Ganesh, M. V. N. L. Kagawa, H. Kobayashi, T. Fan, H. Nagahama, Y. Senthilkumaran, B.
Copyright Year	2006
Abstract	Gonadal development and steroidogenesis in teleosts is regulated by two gonadotropic hormones; luteinizing hormone (LH) and follicle-stimulating hormone (FSH). Earlier studies in tilapia have shown that FSH-β and LH-β appear by 14 days after hatching (dah), results from the current study corroborate with these previous reports in tilapia. Here we demonstrate the appearance of LH in pituitary between 14 and 20 dah. In addition to this the present study primarily focuses on any possible differences in appearance of LH-β and FSH-β immunoreactivity between XX and XY population of Nile tilapia. LH immunoreactivity was found to be lower in pituitary of XX fish when compared to XY fish. The development of FSH-β immunoreactivity in pituitary of the Nile tilapia is also presented. Overall, it remains to be established what significance these findings on the appearance of gonadotropins hold for sex differentiation in tilapia.
Starting Page	177
Ending Page	181
Page Count	5
File Format	PDF
ISSN	09201742
Journal	Fish Physiology and Biochemistry
Volume Number	31
Issue Number	2-3
e-ISSN	15735168
Language	English
Publisher	Springer Netherlands
Publisher Date	2006-08-29
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	FSH LH Ontogeny The Nile tilapia XX-XY fish Freshwater & Marine Ecology Animal Physiology Animal Anatomy / Morphology / Histology Animal Biochemistry Zoology
Content Type	Text
Resource Type	Article
Subject	Physiology Medicine Biochemistry Aquatic Science

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