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A Gram-stain-positive, facultatively anaerobic, rod-shaped and endospore-forming bacterium, strain BK114-2T isolated from tree bark in Thailand was characterized taxonomically using a polyphasic approach. Analysis based on comparison of 16S rRNA gene sequences indicated that strain BK114-2T was affiliated to the genus Paenibacillus, and was closely related to Paenibacillus timonensis 2301032T (96.7 % 16S rRNA gene sequence similarity), Paenibacillus phoenicis 3PO2SAT (96.6 %) and Paenibacillus barengoltzii SAFN-016T (96.4 %). Strain BK114-2T contained meso-diaminopimelic acid in its cell-wall peptidoglycan. The polar lipids were composed of diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, two unknown phospholipids, five unknown aminophospholipids and six unknown lipids. The only menaquinone detected was MK-7 and the dominant cellular fatty acids were C16 : 0 (22.9 %), anteiso-C15 : 0 (22.6 %), iso-C16 : 0 (19.4 %) and anteiso-C17 : 0 (14.7 %). The DNA G+C content was 52.0 mol%. Based on these results, strain BK114-2T repreesents a novel species of the genus Paenibacillus, for which the name Paenibacillus cathormii sp. nov. is proposed. The type strain is BK114-2T ( = KCTC 33251T = TISTR 2282T).
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