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Symbiotic efficiency and genetic characteristics of Bradyrhizobium sp. strain UFSM LA 1.3 isolated from Lupinus albescens (H. et Arn) Scientia Agricola
Stroschein,Marcos Roberto Dobler; Eltz,Flávio Luiz Foletto; Antoniolli,Zaida Inês; Lupatini,Manoeli; Vargas,Luciano Kaiser; Giongo,Adriana; Pontelli,Mateus Padoin.
Legume species belonging to the genus Lupinus are annual herb plants. The majority of them are indigenous to the Americas. They are known for nitrogen-fixing symbioses with soil bacteria collectively called rhizobia. The aim of this study was to characterize a rhizobium strain isolated from Lupinus albescens using phenotypic, symbiotic and molecular approaches. Strain UFSM LA 1.3 was tested in vitro according to several parameters: colony size, color and growing rate; acid or alkaline reaction in yeast mannitol media supplemented with bromothymol blue; gum production. Molecular characterization was evaluated by PCR technique using primers BOX A1-R and sequence analysis of the 16S-23S rDNA intergenic region (ITS). ITS sequencing fragments showed genetic...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Lupin; Rhizobia; Genotypic approaches.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162010000600012
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