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A New Species of Devosia That Forms a Unique Nitrogen-Fixing Root-Nodule Symbiosis with the Aquatic Legume Neptunia natans (L.f.) Druce
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.
Bacterial Associations with Legumes
This review presents an overview of the associations of bacteria with legumes, the current available knowledge on the phylogenetic diversity of both Rhizobia and endophytic bacteria inhabiting root nodules, and the symbiotic features used to define symbiovars in rhizobia.
Burkholderia spp. are the most competitive symbionts of Mimosa, particularly under N-limited conditions.
Competitive domination of PAS44 over LMG19424 was reduced in the presence of nitrate for all three plant hosts, and environmental N levels are suggested as a factor in the competitive success of the bacterial symbiont in vivo.
Reclassification of Agrobacterium ferrugineum LMG 128 as Hoeflea marina gen. nov., sp. nov.
The data from this polyphasic study indicate that this strain belongs to a new genus of the family 'Phyllobacteriaceae', and therefore it is proposed that strain LMG 128(T) should be reclassified as representing a novel species within the new genus Hoeflea gen. nov.
Nodulation of Lupinus albus by Strains of Ochrobactrum lupini sp. nov
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.
Historical evolution and current status of the taxonomy of genus Pseudomonas.
The historical evolution of the taxonomy of Pseudomonas is described, and the currently valid criteria and future challenges forTaxonomy of the genus and techniques used to achieve the necessary characterization for classifying the species are discussed.
The beneficial plant growth-promoting association of Rhizobium leguminosarum bv. trifolii with rice roots
his paper summarizes a multinational collaborative project to search for natural, intimate associations between rhizobia and rice (Oryza sativa L.), assess their impact on plant growth, and exploit
Herbaspirillum lusitanum sp. nov., a novel nitrogen-fixing bacterium associated with root nodules of Phaseolus vulgaris.
The complete 16S rDNA sequence of a representative strain was obtained and phylogenetic analysis based on the neighbour-joining method indicated that this bacterium belongs to the beta-Proteobacteria and that the closest related genus is Herbaspirillum.
Description of Devosia neptuniae sp. nov. that nodulates and fixes nitrogen in symbiosis with Neptunia natans, an aquatic legume from India.
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.
Bradyrhizobium pachyrhizi sp. nov. and Bradyrhizobium jicamae sp. nov., isolated from effective nodules of Pachyrhizus erosus.
Genotypic and phenotypic differences among the novel strains isolated from Pachyrhizus and B. elkanii were found regarding the assimilation of carbon sources and antibiotic resistance, and these differences were congruent with DNA-DNA hybridization analysis.