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1 Korea Research Institute of Bioscience and Biotechnology (KRIBB), PO Box 115, Yusong, Taejon, Korea
2 The Center for Traditional Microorganism Resources, Keimyung University, Shindang-Dong, Dalseo-gu, Daegu, Korea
Correspondence
Jung-Hoon Yoon
jhyoon{at}kribb.re.kr
A Gram-positive, rod-shaped, motile and endospore-forming bacterial strain, KSL-134T, was isolated from an alkaline soil in Korea, and its taxonomic position was investigated by a polyphasic study. Strain KSL-134T grew optimally at pH 7·5 and 30 °C. Its cell wall peptidoglycan contained meso-diaminopimelic acid. Strain KSL-134T was characterized as having MK-7 as the predominant menaquinone and anteiso-C15 : 0 as the major fatty acid. The DNA G+C content was 49·4 mol%. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain KSL-134T formed a distinct lineage within the evolutionary radiation encompassed by the genus Paenibacillus. Similarity levels between the 16S rRNA gene sequence of strain KSL-134T and those of the type strains of recognized Paenibacillus species ranged from 90·4 to 96·5 %. DNADNA relatedness levels and some differential phenotypic properties were enough to distinguish strain KSL-134T from several phylogenetically related Paenibacillus species. On the basis of phenotypic and phylogenetic data, strain KSL-134T (=KCTC 3956T=DSM 17040T) was classified in the genus Paenibacillus as a member of a novel species, for which the name Paenibacillus alkaliterrae sp. nov. is proposed.
The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain KSL-134T is AY960748.
A neighbour-joining tree based on 16S rRNA gene sequences showing the phylogenetic positions of Paenibacillus alkaliterrae KSL-134T, Paenibacillus species and representatives of some other related taxa is available as supplementary data in IJSEM Online.
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