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Brevibacillus ginsengisoli sp. nov., a denitrifying bacterium isolated from soil of a ginseng field

¹ Department of Biological Sciences, Korea Advanced Institute of Science and Technology (KAIST), 373-1, Guseong-dong, Yuseong-gu, Daejeon 305-701, Republic of Korea
² Insect Resources Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 52 Oeundong, Yusong-gu, Daejeon 305-333, Republic of Korea
³ Korean Collection for Type Cultures (KCTC), Korea Research Institute of Bioscience and Biotechnology (KRIBB), 52 Oeundong, Yusong-gu, Daejeon 305-333, Republic of Korea

Correspondence
Wan-Taek Im
wandra{at}kaist.ac.kr

A Gram-positive, rod-shaped, spore-forming bacterium, Gsoil 3088^T, was isolated from soil from a ginseng field in Pocheon Province in South Korea and characterized in order to determine its taxonomic position. On the basis of 16S rRNA gene sequence similarity, strain Gsoil 3088^T was shown to belong to the family Paenibacillaceae, being related to Brevibacillus centrosporus (96.6 %), Brevibacillus borstelensis (96.3 %), Brevibacillus parabrevis (96.1 %), Brevibacillus formosus (96.1 %), Brevibacillus brevis (96.1 %) and Brevibacillus laterosporus (96.0 %). The phylogenetic distances from other validly described species within the genus Brevibacillus were greater than 4.0 % (i.e. there was less than 96.0 % similarity). The G+C content of the genomic DNA was 52.1 mol%. Phenotypic and chemotaxonomic data (major menaquinone, MK-7; fatty acid profile, iso-C_{15 : 0}, iso-C_{14 : 0} and anteiso-C_{15 : 0}) supported the affiliation of strain Gsoil 3088^T to the genus Brevibacillus. The results of physiological and biochemical tests allowed strain Gsoil 3088^T to be distinguished genotypically and phenotypically from Brevibacillus species with validly published names. Strain Gsoil 3088^T, therefore, represents a novel species of the genus Brevibacillus, for which the name Brevibacillus ginsengisoli sp. nov. is proposed. The type strain is Gsoil 3088^T (=KCTC 13938^T=LMG 23403^T).

A transmission electron micrograph of a cell of strain Gsoil 3088^T and a table comparing the cellular fatty acid profiles of this strain and members of the genus Brevibacillus are available as supplementary material in IJSEM Online.

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