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versión impresa ISSN 0327-9545


PANDOLFI, Matías et al. Studies on the reproductive and developmental biology of Cichlasoma dimerus (Percifomes, Cichlidae). Biocell [online]. 2009, vol.33, n.1, pp.1-18. ISSN 0327-9545.

Many characteristics of the South American teleost fish Cichlasoma dimerus (body size, easy breeding, undemanding maintenance) make it amenable to laboratory studies. In the last years, many of the fundamental aspects of its reproductive and developmental biology have been addressed in our laboratory. Rather recently, the immunohistochemical localization of pituitary hormones involved in reproduction and in background color adaptation has been described in both adult and developing individuals, and the role of FSH in ovarian differentiation has been established. These findings have been correlated with mapping of some of their brain-derived controlling hormones. The latter include brain-derived gonadotropins which were shown to be active in vitro in the control of pituitary hormone secretions. The emerging picture shows C. dimerus as an interesting species in which many of their basic features have already been investigated and which conform a solid platform for comparative studies correlating neurohormones, pituitary hormones and behavior, from the molecular to the organismic level.

Palabras clave : Reproduction; Early development; Neuroendocrinology; Brain; Pituitary; Teleosts.

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