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Int J Syst Evol Microbiol. 2015 Nov;65(11):3959-3964. doi: 10.1099/ijsem.0.000521. Epub 2015 Aug 12.

Paenibacillus kyungheensis sp. nov., isolated from flowers of magnolia.

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1​Department of Biotechnology, Hankyoung National University, 327 Chungang-no Anseong-si, Kyonggi-do 456-749, Republic of Korea.
2​Graduate School of Biotechnology, Ginseng Genetic Resource Bank College of Life, Science, Kyung Hee University, Yongin, 446-701, Republic of Korea.


A Gram-staining-positive, catalase-positive, oxidase-negative, facultatively anaerobic, rod-shaped bacterium designated strain DCY88T, was isolated from flowers of magnolia. Phylogenetic analysis based on 16S rRNA gene sequence comparison revealed that the strain formed a distinct lineage within the genus Paenibacillus that was closely related to Paenibacillus hordei RH-N24T (97.8 %). The other most closely related species were Paenibacillus illinoisensis NRRL NRS-1356T (94.3 %), Paenibacillus hunanensis DSM 22170T (94.2 %), Paenibacillus peoriae DSM 8320T (93.9 %), Paenibacillus kribbensis Am49T (93.8 %) and the type species of the genus, Paenibacillus polymyxa ATCC 842T (93.3 %). Cells of the strain were endospore-forming and motile by peritrichous flagella. Strain DCY88T formed pink-pigmented colonies on trypticase soy agar and R2A agar medium. Growth of strain DCY88T occurs at temperatures 5-37 °C, at pH 4-9 and 0.5-5.5 % NaCl (w/v). The menaquinone was MK-7.The cell wall peptidoglycan of strain DCY88T contained meso-diaminopimelic acid. The major fatty acids were anteiso-C15 : 0 (61.0 %) and C16 : 0 (11.0 %). The major polar lipids were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine and an unidentified polar lipid. The strain DCY88T contained spermidine as the major polyamine. The DNA G+C content was 51.6 mol%. The DNA-DNA hybridization relatedness between strain DCY88T and P. hordei RH-N24T was 48 ± 2 %. The phenotypic, phylogenetic and chemotaxonomic results indicate that the strain DCY88T represents a novel species of the genus Paenibacillus, for which the name Paenibacillus kyungheensis sp. nov. is proposed. The type strain is DCY88T ( = JCM 19886T = KCTC 33429T).

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