R
Raúl Rivas
Researcher at University of Salamanca
Publications - 157
Citations - 5958
Raúl Rivas is an academic researcher from University of Salamanca. The author has contributed to research in topics: Rhizobium & Rhizobia. The author has an hindex of 42, co-authored 151 publications receiving 5268 citations. Previous affiliations of Raúl Rivas include Ghent University & University of León.
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Journal ArticleDOI
A New Species of Devosia That Forms a Unique Nitrogen-Fixing Root-Nodule Symbiosis with the Aquatic Legume Neptunia natans (L.f.) Druce
Raúl Rivas,Encarna Velázquez,Anne Willems,Nieves Vizcaíno,Nanjappa S. Subba-Rao,Pedro F. Mateos,Monique Gillis,Frank B. Dazzo,Eustoquio Martínez-Molina +8 more
TL;DR: Sequence analysis showed that this newly described Neptunia-nodulating Devosia species may have acquired these symbiotic genes by horizontal transfer from Rhizobium tropici, suggesting that this new species may be able to acquire these symbiotically-induced nitrogenfixing genes through horizontal transfer.
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Nodulation of Lupinus albus by Strains of Ochrobactrum lupini sp nov
Martha E. Trujillo,Anne Willems,Adriana Abril,Ana-María Planchuelo,Raúl Rivas,Dolores Ludeña,Pedro F. Mateos,Eustoquio Martínez-Molina,Encarna Velázquez +8 more
TL;DR: A polyphasic study including phenotypic, chemotaxonomic, and molecular features of the strains isolated in this study showed that they belong to a new species of the genus Ochrobactrum, for which the name OchRobactrum lupini sp.
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Role of bacterial biofertilizers in agriculture and forestry
TL;DR: This review summarizes the main bacterial mechanisms for improving crop yields, reviews the existing technologies for the manufacture and application of beneficial bacteria in the field, and recapitulates the status of the microbe-based inoculants in World Markets.
Journal ArticleDOI
Multilocus sequence analysis of the genus Bradyrhizobium.
TL;DR: The results indicate that only for the genes gyrB, rpoB and dnaK there is a small gap between the interspecies sequence similarities and the intraspecies similarity, and therefore cut-off levels for species delineation cannot be set, although high sequence similarity (>99%) does permit identification.
Journal ArticleDOI
Description of Devosia neptuniae sp. nov. that nodulates and fixes nitrogen in symbiosis with Neptunia natans, an aquatic legume from India
Raúl Rivas,Anne Willems,Nanjappa S. Subba-Rao,Pedro F. Mateos,Frank B. Dazzo,Reiner M. Kroppenstedt,Eustoquio Martínez-Molina,Monique Gillis,Encarna Velázquez +8 more
TL;DR: Assignment of this new taxon represents the fourth example in the literature of a non-rhizobial genus of bacteria capable of forming a bonafide dinitrogen-fixing root-nodule symbiosis with legume plants, which is named Devosia neptuniae sp.