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Título: | Vigna unguiculata is nodulated in Spain by endosymbionts of Genisteae legumes and by a new symbiovar (vignae) of the genus Bradyrhizobium |
Autor: | Bejarano, Ana; Ramírez Bahena, M. Helena CSIC ORCID; Velázquez Pérez, Encarna CSIC ORCID; Peix, Álvaro CSIC ORCID | Palabras clave: | Bradyrhizobium Vigna unguiculata Symbiovar Phylogeny Spain |
Fecha de publicación: | 24-may-2014 | Editor: | Elsevier | Citación: | Systematic and Applied Microbiology (2014) | Resumen: | Vigna unguiculata was introduced into Europe from its distribution centre in Africa, and it is currently being cultivated in Mediterranean regions with adequate edapho-climatic conditions where the slow growing rhizobia nodulating this legume have not yet been studied. Previous studies based on rrs gene and ITS region analyses have shown that Bradyrhizobium yuanmingense and B. elkanii nodulated V. unguiculata in Africa, but these two species were not found in this study. Using the same phylogenetic markers it was shown that V. unguiculata, a legume from the tribe Phaseolae, was nodulated in Spain by two species of group I, B. cytisi and B. canariense, which are common endosymbionts of Genisteae in both Europe and Africa. These species have not been found to date in V. unguiculata nodules in its African distribution centres. All strains from Bradyrhizobium group I isolated in Spain belonged to the symbiovar genistearum, which is found at present only in Genisteae legumes in both Africa and Europe. V. unguiculata was also nodulated in Spain by a strain from Bradyrhizobium group II that belonged to a novel symbiovar (vignae). Some African V. unguiculata-nodulating strains also belonged to this proposed new symbiovar. | Descripción: | 14 páginas, 4 figuras. -- The definitive version is available at http://www.elsevier.com | Versión del editor: | http://dx.doi.org/10.1016/j.syapm.2014.04.003 | URI: | http://hdl.handle.net/10261/97853 | DOI: | 10.1016/j.syapm.2014.04.003 | ISSN: | 0723-2020 | E-ISSN: | 1618-0984 |
Aparece en las colecciones: | (IRNASA) Artículos |
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