Journal
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
Volume 67, Issue 11, Pages 4385-4389Publisher
MICROBIOLOGY SOC
DOI: 10.1099/ijsem.0.002299
Keywords
Arctic; Paenibacillus arcticus; polyphasic taxonomy
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Funding
- National Research Foundation of Korea (NRF) - Ministry of Education [NRF-2016R1D1A1B03931582, NRF-2015R1D1A1A01060636]
- Korea Polar Research Institute (KOPRI) [PE16030]
- Korea Institute of Planning and Evaluation for Technology in Food, Agriculture, Forestry and Fisheries (IPET) - Ministry of Agriculture, Food and Rural Affairs (MAFRA) [115008-2]
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A Gram-positive, endospore-forming, strictly aerobic and rod-shaped bacterium, designated strain MME2_R6(T), was isolated from Arctic soil, and it was identified by using a polyphasic taxonomic approach. This strain was psychrotolerant, growing at 4-24 degrees C. 16S rRNA gene sequence analysis showed that strain MME2_R6(T) was closest to Paenibacillus swuensis DY6(T), with 93.9% similarity. However, in phylogenetic analysis based on the 16S rRNA gene sequence, strain MME2_R6(T) showed that it clustered with Paenibacillus contaminans CKOBP-6(T) and the sequencing similarity between the two species was 93.7 %. Its major cellular fatty acid was anteiso-C-15 : 0, like other Paenibacillus species. The major polar lipids were phosphatidylethanolamine, phosphatidylglycerol and diphosphatidylglycerol. The predominant isoprenoid quinone was menaquinone-7. The diagnostic diamino acid in the cell wall was meso-diaminopimelic acid. The genomic DNA G+C content was 44.2 mol%. Based on the results of phenotypic, chemotaxonomic and phylogenetic analyses, a novel species, Paenibacillus arcticus sp. nov., is proposed. The type strain is MME2_R6(T) (=JCM 30981(T)=PAMC 28731(T)).
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