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Paenibacillus elgii sp. nov., with broad antimicrobial activity

¹ LG Life Sciences Ltd/R&D Park, #104-1 Moonji-dong, Yuseong-gu, Daejeon 305-380, Republic of Korea
² Korean Collection for Type Cultures, Korea Research Institute of Bioscience and Biotechnology, #52, Oun-dong, Yuseong-gu, Daejeon 305-333, Republic of Korea

Correspondence
Dal-Soo Kim
dalskim{at}lgls.co.kr

Two novel spore-forming bacteria with broad antimicrobial activity were isolated from roots of Perilla frutescens. The isolates, SD17^T and SD18, were facultatively anaerobic and showed variable Gram reaction. Growth was observed between 20 and 45 °C. DNA G+C content of SD17^T was 51·7 mol%, and the major fatty acid was anteiso-C_{15 : 0} (54·1 %). 16S rRNA gene sequence similarity of SD17^T ranged from 98·6 to 91·3 % with other Paenibacillus species. The phylogenetic tree showed that isolate SD17^T formed a significant monophyletic clade with Paenibacillus koreensis KCTC 2393^T and Paenibacillus ehimensis IFO 15659^T. DNA–DNA relatedness values for strain SD17^T with Paenibacillus koreensis KCTC 2393^T and Paenibacillus ehimensis IFO 15659^T were 17·4 and 19·8 %, respectively. These isolates thus merit species status within Paenibacillus, for which the name Paenibacillus elgii sp. nov. is proposed. The type strain is SD17^T (=KCTC 10016BP^T=NBRC 100335^T).

The GenBank/EMBL/DDBJ accession numbers for the 16S rRNA gene sequences of strains SD17^T and SD18 are AY090110 and AY081186, respectively.

Micrographs and an expanded phylogenetic tree are available as supplementary material in IJSEM Online.

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