Regulación genética de la determinación sexual y diferenciación gonadal en peces teleósteos

Palabras clave

Cromosomas sexuales
Determinación del sexo
Expresión genética
Peces neotropicales
Plasticidad sexual Aquaculture species
Gene expression
Sex determination
Neotropical fish
Sex chromosome
Sexual plasticity Cromossomas sexuais
Determinação sexual
Expressão genética
Peixes neotropicais
Plasticidade sexual

Cómo citar

Enríquez-Valencia, C. E., Prieto-Mojica, C. A. ., & Gómez-Balanta, F. Z. (2022). Regulación genética de la determinación sexual y diferenciación gonadal en peces teleósteos. Entramado, 18(1), e–7607.


Comprender el control en la determinación y la diferenciación del sexo en peces es fundamental para mejorar aspectos de manejo, productividad, economía y conservación de las especies. El objetivo de esta revisión es brindar información de los principales mecanismos genético-moleculares de determinación y diferenciación sexual en peces teleósteos. La búsqueda de información se desarrolló entre 2019 – 2021 a través de bases de datos bibliográficas utilizando frases como: “sex determination fish”, “sexual differentiation fish”  y “sex neotropical fish”. La selección de la información se realizó llevando en consideración máximo 10 años de publicación, descartando documentos considerados como tesis de maestría o doctorado. La determinación del sexo puede ser definido por sistemas cromosómicos como XX/XY, ZZ/ZW, XX/X0, ZZ/Z0, XX1, XX2 y X1X2Y o modulado por diferentes genes autosómicos tales como cyp19a1, foxl2, figla, dmrt1, sox9, amh, gsdf, sin embargo, a pesar de los grandes avances en la investigación en el área molecular, el proceso de regulación en la determinación y diferenciación del sexo en peces aún no está completamente dilucidado, especialmente en especies Neotropicales.


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