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Reclassification of type strains of Rhizobium indigoferae and Sinorhizobium kummerowiae into the species Rhizobium leguminosarum and Sinorhizobium meliloti, respectively.
Menéndez, Esther; Flores-Félix, José David; Kaur, Sabhjeet; diCenzo, George C; Young, J Peter W; Peix, Alvaro; Velázquez, Encarna.
Afiliación
  • Menéndez E; Departamento de Microbiología y Genética, Universidad de Salamanca, Salamanca, Spain.
  • Flores-Félix JD; Instituto de Investigación en Agrobiotecnología (CIALE), Universidad de Salamanca, Salamanca, Spain.
  • Kaur S; Grupo de Interacción Planta-Microorganismo, USAL, Unidad Asociada al CSIC por el IRNASA, Salamanca, Spain.
  • diCenzo GC; Departamento de Microbiología y Genética, Universidad de Salamanca, Salamanca, Spain.
  • Young JPW; Instituto de Investigación en Agrobiotecnología (CIALE), Universidad de Salamanca, Salamanca, Spain.
  • Peix A; Department of Biology, Queen's University, Kingston, Ontario, Canada.
  • Velázquez E; Department of Biology, Queen's University, Kingston, Ontario, Canada.
Int J Syst Evol Microbiol ; 74(7)2024 Jul.
Article en En | MEDLINE | ID: mdl-39037439
ABSTRACT
The species Rhizobium indigoferae and Sinorhizobium kummerowiae were isolated from legume nodules and the 16S rRNA sequences of their respective type strains, CCBAU 71042T and CCBAU 71714T, were highly divergent from those of the other species of the genera Rhizobium and Sinorhizobium, respectively. However, the 16S rRNA gene sequences obtained for strains CCBAU 71042T and CCBAU 71714T several years after description, were different from the original ones, showing 100 % similarity to the type strains of Rhizobium leguminosarum and Sinorhizobium meliloti, respectively. Phylogenetic analyses of two housekeeping genes, recA and atpD, confirmed the high phylogenetic closeness of strains CCBAU 71042T and CCBAU 71714T to the respective type strains of R. leguminosarum and S. meliloti. In the present work, we compared the genomes of the type strains of R. indigoferae and S. kummerowiae available in several culture collections with those of the respective type strains of R. leguminosarum and S. meliloti, some of them obtained in this study. The calculated average nucleotide identity-blast and digital DNA-DNA hybridization values in both cases were higher than those recommended for species differentiation, supporting the proposal for the reclassification of the type strains of R. indigoferae and S. kummerowiae into the species R. leguminosarum and S. meliloti, respectively.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Filogenia / ADN Bacteriano / ARN Ribosómico 16S / Técnicas de Tipificación Bacteriana / Sinorhizobium meliloti / Rhizobium leguminosarum / Análisis de Secuencia de ADN Idioma: En Revista: Int J Syst Evol Microbiol Asunto de la revista: MICROBIOLOGIA Año: 2024 Tipo del documento: Article País de afiliación: España Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Filogenia / ADN Bacteriano / ARN Ribosómico 16S / Técnicas de Tipificación Bacteriana / Sinorhizobium meliloti / Rhizobium leguminosarum / Análisis de Secuencia de ADN Idioma: En Revista: Int J Syst Evol Microbiol Asunto de la revista: MICROBIOLOGIA Año: 2024 Tipo del documento: Article País de afiliación: España Pais de publicación: Reino Unido