Data/hora: 01/06/2024 05:37:19

Provedor de dados: | 86
País: | Brazil
Título: | Polymorphism of the grasshopper Rhammatocerus schistocercoides populations revealed by RAPD
Autores: | Silva,João Batista Tavares da; Tigano,Myrian Silvana; Magalhães,Bonifácio Peixoto; Cordeiro,Célia Maria Torres.
Data: | 2002-11-01
Ano: | 2002
Palavras-chave: | Insecta; Genetic marker; Genetic variation; Genetic distance.
Resumo: | The objective of this work was to study the genetic variability of the grasshopper Rhammatocerus schistocercoides (Orthoptera: Acrididae) using RAPD analysis among individuals from three populations, one from Colombia and two from Brazil (Goiás and Mato Grosso States). Ninety scorable binary markers were obtained by fingerprinting with 11 oligonucleotide primers. Most of the polymorphism was attributed to 42 markers with variable frequency among the different populations. Although the existence of significant difference among populations (P&lt;0.0001), most of the genetic variability was found within populations (87.7% of total variation). Pairwise distances between Colombian and Brazilian populations were 0.12 (P&lt;0.0001) and 0.18 (P&lt;0.0001) for Goiás and Mato Grosso, respectively. The pairwise distance between Goiás and Mato Grosso populations was 0.06 (P&lt;0.0001). These data indicated that the phenotypic differences among populations are associated mainly with the geographical distances between the Brazilian and Colombian populations.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2002001100020

Editor:

Embrapa Secretaria de Pesquisa e Desenvolvimento

Pesquisa Agropecuária Brasileira

Relação: | 10.1590/S0100-204X2002001100020
Formato: | text/html
Fonte: | Pesquisa Agropecuária Brasileira  v.37 n.11 2002
Fonte: | info:eu-repo/semantics/openAccess