Burkholderia dilworthii sp. nov., isolated from Lebeckia ambigua root nodules

Sofie E. De Meyer, Margo Cnockaert, Julie K. Ardley, Ben Erik Van Wyk, Peter A. Vandamme, John G. Howieson

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44 Citations (Scopus)


Three strains of Gram-stain-negative, rod-shaped bacteria were isolated from Lebeckia ambigua root nodules and authenticated on this host. Based on the 16S rRNA gene sequence phylogeny, they were shown to belong to the genus Burkholderia, with the representative strain WSM3556T being most closely related to Burkholderia caledonica LMG 23644T (98.70 % 16S rRNA gene sequence similarity) and Burkholderia rhynchosiae WSM3937T (98.50 %). Additionally, these strains formed a distinct group in phylogenetic trees of the housekeeping genes gyrB and recA. Chemotaxonomic data, including fatty acid profiles and analysis of respiratory quinones, supported the assignment of our strains to the genus Burkholderia. Results of DNA-DNA hybridizations, MALDI-TOF MS analysis and physiological and biochemical tests allowed genotypic and phenotypic differentiation of our strains from their nearest neighbour species. Therefore, these strains represent a novel species, for which the name Burkholderia dilworthii sp. nov. is proposed, with the type strain WSM3556T (= LMG 27173T = HAMBI 3353T).

Original languageEnglish
Article number058602
Pages (from-to)1090-1095
Number of pages6
JournalInternational Journal of Systematic and Evolutionary Microbiology
Issue numberPART 4
Publication statusPublished - 2014

ASJC Scopus subject areas

  • Microbiology
  • Ecology, Evolution, Behavior and Systematics


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