Phylogenetic relationships in genus <Emphasis Type="Italic">Arachis</Emphasis> based on ITS and 5.8S rDNA sequences |
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| Authors: | Marcelo D Bechara Márcio C Moretzsohn Darío A Palmieri Jomar P Monteiro Jr" target="_blank">Maurício BacciJr Jr" target="_blank">Joaquim MartinsJr José FM Valls Catalina R Lopes Marcos A Gimenes |
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| Institution: | 1.Universidade de Marília,Marília,Brazil;2.Embrapa Recursos Genéticos e Biotecnologia,Brasília,Brazil;3.Departamento de Ciências Biológicas, Faculdade de Ciências e Letras, UNESP,Universidade Estadual Paulista,Assis,Brazil;4.Departamento de Genética, Instituto de Biociências, UNESP,Universidade Estadual Paulista,Botucatu,Brazil;5.Departamento de Bioquímica e Microbiologia, Instituto de Biociências, UNESP,Universidade Estadual Paulista,Rio Claro,Brazil;6.Centro de Estudos de Insetos Sociais, Instituto de Biociências, UNESP,Universidade Estadual Paulista,Rio Claro,Brasil |
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| Abstract: | Background The genus Arachis comprises 80 species and it is subdivided into nine taxonomic sections (Arachis, Caulorrhizae, Erectoides, Extranervosae, Heteranthae, Procumbentes, Rhizomatosae, Trierectoides, and Triseminatae). This genus is naturally confined to South America and most of its species are native to Brazil. In order to provide a better
understanding of the evolution of the genus, we reconstructed the phylogeny of 45 species using the variation observed on
nucleotide sequences in internal transcribed spacer regions (ITS1 and ITS2) and 5.8 S of nuclear ribosomal DNA. |
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