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within Microbiology Remove this filter Alaa A. El-Dahhar Remove this filter

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  1. Article

    Open Access

    A New Investigation to Discriminate Sexes in Alive Nile Tilapia (Oreochromis niloticus) Using Cyp19a1a and Dmrt1 Gene Expression in Tail Fin Tissues

    The Nile Tilapia (Oreochromis niloticus), a gonochoristic teleost fish with a XX/XY sex-determination system, is an ideal model for investigating gonadal sex differentiation. During gonadal differentiation, the e...

    Samy Y. El-Zaeem, Amr El-Hanafy, Alaa A. El-Dahhar… in Marine Biotechnology (2024)

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  2. Article

    Open Access

    A Novel Investigation for Early Sex Determination in Alive Adult European Seabass (Dicentrarchus labrax) Using cyp19a1a, dmrt1a, and dmrt1b Genes Expression in Tail Fin tissues

    This study is the first investigation for using sex-related gene expression in tail fin tissues of seabass as early sex determination without killing the fish. The European seabass (Dicentrarchus labrax) is gonoc...

    Samy Y. El-Zaeem, Amr El-Hanafy, Alaa A. El-Dahhar… in Marine Biotechnology (2024)

    Download PDF (949 KB) View Article