Transfer of eleven species of the genus Burkholderia to the genus Paraburkholderia and proposal of Caballeronia gen. nov. to accommodate twelve species of the genera Burkholderia and Paraburkholderia

Dobritsa, Anatoly P.; Samadpour, Mansour

doi:10.1099/ijsem.0.001065

Cited by 273 publications

(124 citation statements)

References 38 publications

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“…They showed that B. andropogonis (now Robbsia andropogonis ) is separated into its own group, and they designated two so-called “Transition Groups” (i.e., 1 and 2; neither were supported as monophyletic and both contained mainly environmental species). Since then, Dobritsa and Samadpour (2016) have proposed the transfer of species in Transition Group 2 to a new genus. However, to complicate the issue, this new genus was named “ Caballeronia” although its proposed usage is not synonymous with the one previously proposed by Gyaneshwar et al (2011) for accommodating all the PBE isolates.…”

Section: Introductionmentioning

confidence: 99%

Genome Data Provides High Support for Generic Boundaries in Burkholderia Sensu Lato

Beukes¹,

Palmer²,

Manyaka³

et al. 2017

Front. Microbiol.

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Although the taxonomy of Burkholderia has been extensively scrutinized, significant uncertainty remains regarding the generic boundaries and composition of this large and heterogeneous taxon. Here we used the amino acid and nucleotide sequences of 106 conserved proteins from 92 species to infer robust maximum likelihood phylogenies with which to investigate the generic structure of Burkholderia sensu lato. These data unambiguously supported five distinct lineages, of which four correspond to Burkholderia sensu stricto and the newly introduced genera Paraburkholderia, Caballeronia, and Robbsia. The fifth lineage was represented by P. rhizoxinica. Based on these findings, we propose 13 new combinations for those species previously described as members of Burkholderia but that form part of Caballeronia. These findings also suggest revision of the taxonomic status of P. rhizoxinica as it is does not form part of any of the genera currently recognized in Burkholderia sensu lato. From a phylogenetic point of view, Burkholderia sensu stricto has a sister relationship with the Caballeronia+Paraburkholderia clade. Also, the lineages represented by P. rhizoxinica and R. andropogonis, respectively, emerged prior to the radiation of the Burkholderia sensu stricto+Caballeronia+Paraburkholderia clade. Our findings therefore constitute a solid framework, not only for supporting current and future taxonomic decisions, but also for studying the evolution of this assemblage of medically, industrially and agriculturally important species.

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Section: Introductionmentioning

confidence: 99%

Genome Data Provides High Support for Generic Boundaries in Burkholderia Sensu Lato

Beukes¹,

Palmer²,

Manyaka³

et al. 2017

Front. Microbiol.

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“…Sequences for nif and nod genes are considered in the text. Rhizobial genus and species names validated in the International Journal of Systematic and Evolutionary Microbiology were used with one exception: Burkholderia was retained as opposed to using Paraburkholderia [301,302], as a case to reinstate Burkholderia is being prepared by workers in the field. The term symbiovar (sv.)…”

Section: Framework and Assumptions Of Studymentioning

confidence: 99%

Specificity in Legume-Rhizobia Symbioses

Andrews

2017

IJMS

258

133

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Most species in the Leguminosae (legume family) can fix atmospheric nitrogen (N2) via symbiotic bacteria (rhizobia) in root nodules. Here, the literature on legume-rhizobia symbioses in field soils was reviewed and genotypically characterised rhizobia related to the taxonomy of the legumes from which they were isolated. The Leguminosae was divided into three sub-families, the Caesalpinioideae, Mimosoideae and Papilionoideae. Bradyrhizobium spp. were the exclusive rhizobial symbionts of species in the Caesalpinioideae, but data are limited. Generally, a range of rhizobia genera nodulated legume species across the two Mimosoideae tribes Ingeae and Mimoseae, but Mimosa spp. show specificity towards Burkholderia in central and southern Brazil, Rhizobium/Ensifer in central Mexico and Cupriavidus in southern Uruguay. These specific symbioses are likely to be at least in part related to the relative occurrence of the potential symbionts in soils of the different regions. Generally, Papilionoideae species were promiscuous in relation to rhizobial symbionts, but specificity for rhizobial genus appears to hold at the tribe level for the Fabeae (Rhizobium), the genus level for Cytisus (Bradyrhizobium), Lupinus (Bradyrhizobium) and the New Zealand native Sophora spp. (Mesorhizobium) and species level for Cicer arietinum (Mesorhizobium), Listia bainesii (Methylobacterium) and Listia angolensis (Microvirga). Specificity for rhizobial species/symbiovar appears to hold for Galega officinalis (Neorhizobium galegeae sv. officinalis), Galega orientalis (Neorhizobium galegeae sv. orientalis), Hedysarum coronarium (Rhizobium sullae), Medicago laciniata (Ensifer meliloti sv. medicaginis), Medicago rigiduloides (Ensifer meliloti sv. rigiduloides) and Trifolium ambiguum (Rhizobium leguminosarum sv. trifolii). Lateral gene transfer of specific symbiosis genes within rhizobial genera is an important mechanism allowing legumes to form symbioses with rhizobia adapted to particular soils. Strain-specific legume rhizobia symbioses can develop in particular habitats.

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“…Similarly, Dobritsa and Samadpour [19] proposed Caballeronia gen. nov. for species within the B. glathei-like Clade II, on the basis of 16S rRNA gene phylogeny and conserved indels, but have omitted a number of type strains in their study, including those of B. caryophylli, B. soli and B. symbiotica. We would further note a recent paper, which ascribed a strain to a novel species of Burkholderia on the basis of a phylogenetic analysis of 16S rRNA genes that did not include sequences from all type strains [21].…”

Section: Minute 10 Agrobacteriummentioning

confidence: 99%

“…nov.; and Phaseolus symbionts as P. caballeronis comb. nov. Burkholderia sensu lato was further split, with the concomitant publication of Caballeronia gen. nov. to accommodate 12 species of Burkholderia and Paraburkholderia [19].…”

Section: Minute 10 Agrobacteriummentioning

confidence: 99%

International Committee on Systematics of Prokaryotes Subcommittee for the Taxonomy of Rhizobium and Agrobacterium Minutes of the meeting, Budapest, 25 August 2016

Lajudie

Young

2017

International Journal of Systematic and Evolutionary Microbiology

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Transfer of eleven species of the genus Burkholderia to the genus Paraburkholderia and proposal of Caballeronia gen. nov. to accommodate twelve species of the genera Burkholderia and Paraburkholderia

Cited by 273 publications

References 38 publications

Genome Data Provides High Support for Generic Boundaries in Burkholderia Sensu Lato

Genome Data Provides High Support for Generic Boundaries in Burkholderia Sensu Lato

Specificity in Legume-Rhizobia Symbioses

International Committee on Systematics of Prokaryotes Subcommittee for the Taxonomy of Rhizobium and Agrobacterium Minutes of the meeting, Budapest, 25 August 2016

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