Data/hora: 08/06/2024 15:18:51

Provedor de dados: | 20
País: | Belgium

Título:

Low genetic variability in the fifth introduction  of Litopenaeus vannamei in Cuba, as estimated  with microsatellite markers

Limitada variabilidad genética de la quinta introducción en Cuba de Litopenaeus vannamei estimada  con el uso de marcadores microsatélites.

Autores: | Artiles, A.; Rodríguez, I.; Pérez, A.; Pérez, L.; Espinosa, G.
Data: | 2014-02-25
Ano: | 2011
Palavras-chave: | Genetic variation; Shrimp culture.
Resumo: | The present work estimated the genetic variability and relatedness index of the fifth stock of Pacific white shrimp,  Litopenaeus vannamei, imported into Cuba for farming purposes from the US Shrimp Improvement System (SIS). Ge- netic variability was estimated by genotyping 33 samples for four microsatellite loci: M1, Pvan 1815, Pvan 0040 and  Pvan 1758. This stock had average expected and observed heterozygosities of 0.37 and 0.27 respectively; the lowest  of all stocks previously introduced in Cuba. The above, together with the low amount of allelic variants detected for  each microsatellite, was suggestive of low genetic variability. In addition, pairwise relatedness coefficients clustered  around unity, indicating a high degree of consanguinity. Taken as a whole, the data suggests that this breeding stock  should be crossed first with other individuals from a different source or with higher genetic variability.
Tipo: | Journal Contribution
Idioma: | Inglês

Identificador:

Biotecnologia  Aplicada, 28 (3), p. 147-150

1027-2852

http://hdl.handle.net/1834/5348

Relação:

http://elfosscientiae.cigb.edu.cu/PDFs\BA\2011\28\3BA002803OL147-150.pdf

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Fonte: | http://creativecommons.org/licenses/by-nc/3.0/