2003
DOI: 10.1023/b:fish.0000030523.16010.62
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Spermatogenesis in teleost: insights from the Nile tilapia (Oreochromis niloticus) model

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Cited by 87 publications
(52 citation statements)
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“…Pathological reactions such as bile retention and immunosuppression were also reported for cichlid s-males (Faisal et al 1989, Earley et al 2004. Permanent stress affects testis development negatively (Wendelaar Bonga 1997, Celino et al 2009, Schreck 2010, Trubiroha et al 2011) and this conclusion is also supported by the observation that temperature decrease leads to spermatogenic arrest at late pachytene spermatocytes in sexually mature Nile tilapia males (Vilela et al 2003).…”
Section: Social Hierarchy and Spermatogenesis In D-and S-malesmentioning
confidence: 82%
See 1 more Smart Citation
“…Pathological reactions such as bile retention and immunosuppression were also reported for cichlid s-males (Faisal et al 1989, Earley et al 2004. Permanent stress affects testis development negatively (Wendelaar Bonga 1997, Celino et al 2009, Schreck 2010, Trubiroha et al 2011) and this conclusion is also supported by the observation that temperature decrease leads to spermatogenic arrest at late pachytene spermatocytes in sexually mature Nile tilapia males (Vilela et al 2003).…”
Section: Social Hierarchy and Spermatogenesis In D-and S-malesmentioning
confidence: 82%
“…A study on protogynous fish (Thalassoma bifasciatum) reported continuity between the subjacent layers close to the outer epithelium and the interstitium (Koulish et al 2002). In O. niloticus most but not all of the undifferentiated spermatogonia are located close to the TA (Vilela et al 2003). This organisation may be interpreted as an intermediate form between the restricted and unrestricted spermatogonial distribution.…”
Section: Introductionmentioning
confidence: 95%
“…Leydig cells may occupy a small percentage, about 2% in rat (França & Russel, 1998), reaching 51.7% in capybara (Paula, Costa, Fonseca, & Neves, 2007). In fish, Leydig cells were found near the spermatic duct, suggesting a functional relationship with the spermatogenic process (Vilela, Silva, Peixoto, Godinho, & França, 2003). Thus, Leydig cells are the component of the intertubular compartment with the highest variation among species already studied.…”
Section: Resultsmentioning
confidence: 99%
“…Este tipo de organização é encontrado em alguns teleósteos, como na ordem Atheriniformes, Cyprinodontiformes e Beloniformes (Parenti andGrier, 2004, Schulz et al, 2010). Entretanto, já foram relatados organizações de espermatogônias sem restrições (chamadas de irrestritas), como os relatados para Perciformes (Oreochromis niloticus) (Vilela et al, 2003); Pleuronectiformes, (Solea senegalensis) (García-López et al, 2005) ou Gadiformes, (Gadus morhua) (Almeida et al, 2008). Nestas espécies, as espermatogônias indiferenciadas mostram uma localização preferencial, mas não exclusivamente próxima à túnica albugínea.…”
Section: Proliferação Mitótica Das Espermatogôniasunclassified