A Gram-negative, rod-shaped, aerobic bacterium, designated strain RP007, was isolated from a polycyclic aromatic hydrocarbon-contaminated soil in New Zealand. Two additional strains were recovered from a compost heap in Belgium (LMG 18808) and from the rhizosphere of maize in the Netherlands (LMG 24204). The three strains had virtually identical 16S rRNA gene sequences and whole-cell protein profiles, and they were identified as members of the genus , with as their closest relative. Strain RP007 had a DNA G+C content of 63.5 mol% and could be distinguished from based on a range of biochemical characteristics. Strain RP007 showed levels of DNA–DNA relatedness towards the type strain of and those of other recognized species of less than 30 %. The results of 16S rRNA gene sequence analysis, DNA–DNA hybridization experiments and physiological and biochemical tests allowed the differentiation of strain RP007 from all recognized species of the genus . Strains RP007, LMG 18808 and LMG 24204 are therefore considered to represent a single novel species of the genus , for which the name sp. nov. is proposed. The type strain is RP007 (=LMG 24000 =CCUG 53604 =ICMP 13529).


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