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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
MALDI-TOF mass spectrometry as a tool for differentiation of Bradyrhizobium species: Application to the identification of Lupinus nodulating strains
Systematic and Applied Microbiology, Volume 36, No. 8, Year 2013
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Description
Genus Bradyrhizobium includes slow growing bacteria able to nodulate different legumes as well as species isolated from plant tumours. The slow growth presented by the members of this genus and the phylogenetic closeness of most of its species difficults their identification. In the present work we applied for the first time Matrix-Assisted Laser Desorption Ionization-Time-of-Flight Mass Spectrometry (MALDI-TOF MS) to the analysis of Bradyrhizobium species after the extension of MALDI Biotyper 2.0 database with the currently valid species of this genus. With this methodology it was possible to identify strains belonging to phylogenetically closely related species of genus Bradyrhizobium allowing the discrimination among species with rrs gene identities higher than 99%. The application of MALDI-TOF MS to strains isolated from nodules of different Lupinus species in diverse geographical locations allowed their correct identification when comparing with the results of rrs gene and ITS analyses. The nodulation of Lupinus gredensis, an endemic species of the west of Spain, by B. canariense supports the European origin of this species. © 2013.
Authors & Co-Authors
Sánchez Juanes, Fernando
Spain, Salamanca
Hospital Clínico Universitario de Salamanca
Spain, Salamanca
Instituto de Investigación Biomédica
Ferreira, Laura
Spain, Salamanca
Hospital Clínico Universitario de Salamanca
Alonso de la Vega, Pablo
Spain, Salamanca
Universidad de Salamanca
Valverde, Ángel
Spain, Salamanca
Csic - Instituto de Recursos Naturales y Agrobiologia de Salamanca Irnasa
Spain, Salamanca
Universidad de Salamanca
South Africa, Pretoria
University of Pretoria
Barrios, Milagros León
Spain, San Cristobal de la Laguna
Universidad de la Laguna
Rivas, Raúl
Spain, Salamanca
Universidad de Salamanca
Mateos, Pedro Francisco
Spain, Salamanca
Universidad de Salamanca
Martínez-Molina, Eustoquio
Spain, Salamanca
Universidad de Salamanca
González-Buitrago, José Manuel
Spain, Salamanca
Hospital Clínico Universitario de Salamanca
Spain, Salamanca
Universidad de Salamanca
Spain, Salamanca
Instituto de Investigación Biomédica
Trujillo, Martha E.
Spain, Salamanca
Universidad de Salamanca
Velázquez, Encarna
Spain, Salamanca
Universidad de Salamanca
Statistics
Citations: 20
Authors: 11
Affiliations: 6
Identifiers
Doi:
10.1016/j.syapm.2013.09.003
e-ISSN:
16180984
Research Areas
Genetics And Genomics