نتایج جستجو برای: piaractus brachypomus

تعداد نتایج: 392  

Journal: :Regulatory peptides 1997
J F Powell E M Standen J Carolsfeld M I Borella R Gazola W H Fischer M Park A G Craig C M Warby J E Rivier M V Val-Sella N M Sherwood

Perchlike fish are a vast group of advanced teleosts. The species examined to date have three forms of gonadotropin-releasing hormone (GnRH) within a single species, but the origin of the third GnRH peptide is unknown. In this study, the primary structure of three GnRH peptides is determined from the brain of the pacu, Piaractus mesopotamicus, an example of a teleost that is less advanced than ...

2014
Leila Braga Ribeiro Daniele Aparecida Matoso Eliana Feldberg

The Serrasalmidae family is composed of a number of commercially interesting species, mainly in the Amazon region where most of these fishes occur. In the present study, we investigated the genomic organization of the 18S and 5S rDNA and telomeric sequences in mitotic chromosomes of four species from the basal clade of the Serrasalmidae family: Colossoma macropomum, Mylossoma aureum, M. duriven...

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