Abstract
An aerobic, Gram-staining-variable, rod-shaped, endospore-forming and motile bacterial strain, designated CJ6T, was isolated from a tidal flat on Ganghwa Island, South Korea. The isolate was characterized based on a polyphasic taxonomy approach. Strain CJ6T grew optimally on R2A agar media at 30 °C and pH 7. Phylogenetic analysis based on the 16S rRNA gene sequence revealed that strain CJ6T belonged to the genus Paenibacillus, displaying the highest sequence similarity to Paenibacillus vulneris CCUG 53270T (97.0 %) and clearly defined strain CJ6T as a novel species within the genus. The G+C content of the genomic DNA was 49.9 mol%. The major polar lipid contents of strain CJ6T were phosphatidylmonomethylethanolamine, diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine and unidentified glycolipids. MK-7 was detected as the major respiratory quinone. The dominant fatty acid was anteiso-C15 : 0. Analyses of phylogenetic, phenotypic, biochemical and chemotaxonomic characteristics indicated that strain CJ6T was distinguishable from its closely related type strains. Therefore, strain CJ6T represents a novel species in the genus Paenibacillus, for which name Paenibacilluslimicola sp. nov. is proposed; the type strain is CJ6T (=KACC 19303T=JCM 32079T).
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