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Diversidade genética de estoques de reprodutores de Colossoma macropomum

Authors: Lopes, Taís da Silva; Streit Júnior, Danilo Pedro; Ribeiro, Ricardo Pereira; Povh, Jayme Aparecido; Lopera Barrero, Nelson Mauricio; Vargas, Lauro Daniel Mendez; Pinto Filho, Carlindo;

Diversidade genética de estoques de reprodutores de Colossoma macropomum

Abstract

Analisou-se a diversidade genética de estoques de reprodutores de Tambaqui (Colossoma macropomum), mediante o uso de marcador RAPD, utilizando-se 10 primers para analisar 30 amostras do estoques de reprodutores das pisciculturas de Boa Esperança e Vale Verde, localizadas no Estado de Rondônia. A porcentagem de fragmentos polimórficos e o índice de diversidade genética de Shannon foram altos nos dois estoques de reprodutores. O estoque de reprodutores de Boa Esperança apresentou um fragmento exclusivo. A diferenciação genética foi baixa e o número de migrantes por geração foi alto entre os estoques de reprodutores. O dendrograma não separou os indivíduos dos estoques de reprodutores em grupos distintos. Há alta variabilidade genética nos estoques de reprodutores, um pouco inferior no estoque de Vale Verde, e há grande proximidade genética entre os indivíduos dos estoques de reprodutores.

The genetic diversity of tambaqui (Colossoma macropomum) broodstocks from two hatchery station in Rondônia State was studied by the RAPD marker. Ten primers were used to analyze 30 broodstocks samples from the hatchery stations of Boa Esperança and Vale Verde. The polymorphic fragments percentage and Shannon genetic diversity index were high in the two broodstocks. The Boa Esperança broodstock presented an exclusive fragment. The genetic differentiation was low and the number of migrants per generation was high among the broodstocks. The dendrogram did not separate the broodstocks individuals in different groups. The results indicate a high genetic variability in the broodstocks, being a little bit lower in the Vale Verde broodstock. Besides, there is a genetic proximity among the broodstocks.

Keywords

RAPD, Genetic monitoring, Genetic variability, Genética animal, Variacao genetica, Tambaqui, Colossoma macropomum, Piscicultura

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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