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Immunoreactive human growth hormone like peptides in tropical Penaeids and the effect of dietary hGH on Penaeus vannamei larval development

Published online by Cambridge University Press:  15 April 1991

Jean-Yves Toullec ,
Gilles Le Moullac ,
Gérard Cuzon  and
Alain Van Wormhoudt
Jean-Yves Toullec
Affiliation:
Laboratoire de Biologie Marine du Collège de France, BP 38, 29182 Concarneu, France Present address: Laboratoire de Biochimie et Physiologie du Développement, CNRS-URA 686, Ecole Normale Supérieure, 46 rue d'Ulm, 75230 Paris Cedex 05, France
Gilles Le Moullac
Affiliation:
Aquacop, IFREMER, Centre Océanologique du Pacifique, Taravao vairao, Tahiti, Polynésie Française
Gérard Cuzon
Affiliation:
Aquacop, IFREMER, Centre Océanologique du Pacifique, Taravao vairao, Tahiti, Polynésie Française
Alain Van Wormhoudt
Affiliation:
Laboratoire de Biologie Marine du Collège de France, BP 38, 29182 Concarneu, France
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Abstract

Human growth hormone like peptides were present in Penaeus indicus as two molecular forms: one with a molecular weight about 25 kDa which is similar to that of the vertebrate growth hormone and a smaller form of 2 kDa. Quantitative variations of hGH-like peptides in different larval stages of three species of Penaeids (Penaeus vannamei, P. stylirostris, P. indicus) suggest a possible involvement of hGH-like peptides in the development. Human growth hormone (hGH) supplementation in the diet of Penaeus vannamei larvae seems to have a positive effect on the size and on the quality of the animals estimated by their resistance to salinity stress.

Keywords

Penaeids (P. vannamei, P. stylirostris, P. indicus)growthgrowth hormonePénéides(P. vannamei, P. stylirostris, P. indicus)croissancehormone de croissance
Type
Research Article
Information
Aquatic Living Resources , Volume 4 , Issue 2 , April 1991 , pp. 125 - 132
Copyright
© IFREMER-Gauthier-Villars, 1991

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