A Gram-staining-positive, endospore-forming and rod-shaped bacterial strain, designated KUDC0114T, was isolated from rhizospheric soil of Elymus tsukushiensis from Dongdo Island, one of the largest of the Dokdo Islands, South Korea. The strain displayed optimal growth at 37 °C, pH 8.5 in the absence of NaCl. Based on phylogenetic analysis of 16S rRNA gene sequences, strain KUDC0114T represented a member of the genus Paenibacillus and was most closely related to Paenibacillus taichungensis BCRC 17757T (98.46 %). The cell-wall peptidoglycan was A1γ type, and the predominant quinone was menaquinone-7 (MK-7). The major cellular fatty acids were anteiso-C15 : 0 and C16 : 0. The DNA–DNA hybridization of strain KUDC0114T with nine other strains indicated less than 23 % relatedness, and its DNA G+C content was 44.30 mol%. Based on genomic, phenotypic and phylogenetic analyses, KUDC0114T should be classified as representing novel species within the genus Paenibacillus. The name Paenibacillus dongdonensis sp. nov. is proposed. The type strain is KUDC0114T ( = DSM27607T = KCTC33221T).
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