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Hidrobiológica
versión impresa ISSN 0188-8897
Resumen
ORTIZ LOPEZ, Benjamín; RAMIREZ ESTUDILLO, Carmen y CARDENAS REYGADAS, Rodolfo. Obtención de una fracción con actividad gonadotrópica de la hipófisis de la tilapia Oreochromis niloticus (Osteichytes: Cichlidae). Hidrobiológica [online]. 2000, vol.10, n.2, pp.79-84. ISSN 0188-8897.
Gonadothropic was isolated from pituitary of tilapia through out Sephadex G-100 chromatography and posterior comprobation by electrophoretic poliacrilamide gel. One fraction had similar electrophoretic mobility to follicle-stimulating hormone, and its molecular weight was calculated as 32 000 Da. Biological activity of the molecule on that fraction was tested through a bioassay with juvenile male and female carps, which gonadal development was more advanced compared with the gonadal development of the fish that were treated with luteinizing hormone of mammals, gonadolac and control group.
Palabras llave : Gonadotrophic hormones; Oreochromis; oogenesis; spermatogenesis; ovary; testis.