Sex Change In Coral Reef Fish

Fish Physiol Biochem (2005) 31:117122 DOI 10.1007/s10695-006-7595-x RESEARCH ARTICLE energize adjustment in precious coral reef ?sh Masaru Nakamura Æ Yasuhisa Kobayashi Æ Saori Miura Æ Mohamad Ashraful Alam Æ Ramji Kumar Bhandari Ã" Springer wisdom+ production line Media B.V. 2006 Abstract Gonadal speciality butt take many forms in ?sh, ranging from gonochorism, where individuals directly develop as male or young-bearing(prenominal) and ?nally possess only testis or ovaries at internal maturation, to hermaphroditism where the same individuals can rear mature male and effeminate gametes at slightly epoch in their lives. Hermaphrodite ?sh are, thus, an excellent model for poring over the malleability of hinge upon determination and differentiation in vertebrates. We have shown that take fire steroids play a principal role in charge differentiation and end up switch over in ?sh. Our research laboratory implements some(prenominal) ?sh mode ls that undergo depend upon transmute from female to male or male to female or in both directions. In this review, we will brie?y discuss new advances in our judgment of the mechanism of sex mixed bag in coral reef ?sh. M. Nakamura (&) Æ Y. Kobayashi Æ S. Miura Æ M. A. Alam Sesoko Station, tropical Biosphere Research Center, University of the Ryukyus, Sesoko 3422, Motobu-cho, Okinawa 907-0227, japan e-mail: masaru@lab.u-ryukyu.ac.jp M.

Nakamura wind & SORST, Japan Science and Technology Corporation, Saitama Kawaguchi 332-0012, Japan R. K. Bhandari National set for Basic Biology, Okazaki 444- 8585, Japan Keywords Sex variety Æ Est! rogen Æ Tropical ?sh Æ Protogynous sex win over Æ Protandrous sex flip-flop Æ Serial sex change In addition to gonochorism, ?sh exhibit several types of hermaphroditism. Individuals of some ?shes have gonads containing both mature ovary and mature testis. well-nigh ?shes change sex from male to female (protandrous sex change), others change from female to male (protogynous sex change), and a few can change sex either way and multiple times (serial sex change). In...If you motive to get a full essay, order it on our website: BestEssayCheap.com

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