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Pedobacter kyonggii sp. nov., a psychrotolerant bacterium isolated from forest soil

Title
Pedobacter kyonggii sp. nov., a psychrotolerant bacterium isolated from forest soil
Authors
Chaudhary D.K.Lee S.D.Kim J.
Ewha Authors
이상돈
SCOPUS Author ID
이상돈scopus
Issue Date
2017
Journal Title
International Journal of Systematic and Evolutionary Microbiology
ISSN
1466-5026JCR Link
Citation
vol. 67, no. 12, pp. 5120 - 5127
Keywords
BacteroidetesForest soilPedobacter kyonggii sp. novPsychrotolerantSphingobacteriaceae
Publisher
Microbiology Society
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
Strain K-4-11-1T, a psychrotolerant, light salmon-coloured, Gram-stain-negative, non-motile and rod-shaped bacterium, was isolated from forest soil of Kyonggi University, Suwon, South Korea. It was able to grow at 0-32 °C, at pH 5.0-10.0 and with 0-1.5 % (w/v) NaCl. This strain was taxonomically characterized by a polyphasic approach. Based on 16S rRNA gene sequence analysis, strain K-4-11-1T belongs to the genus Pedobacter and is closely related to Pedobacter ginsenosidimutans THG-45T (98.75 % sequence similarity), Pedobacter borealis G-1T (98.48 %), Pedobacter terrae DS-57T (98.20 %), Pedobacter agri PB92T (97.92 %) and Pedobacter suwonensis 15-52T (97.84 %). The only respiratory quinone was menaquinone-7. The major polar lipids were phosphatidylethanolamine and unidentified glycolipids. The predominant fatty acids of strain K-4-11-1T were summed feature 3 (C16:1ω7c and/or C16:1ω6c), iso-C15:0, iso-C17:0 3-OH, anteiso-C17:0 and summed feature 9 (iso-C17:1ω9c and/or C16:0 10-methyl). The genomic DNA G+C content of this novel strain was 38.3 mol%. The DNA-DNA relatedness values between strain K-4-11-1T and P. ginsenosidimutans KACC 14530T, P. borealis KACC 14287T, P. terrae KACC 13766T, P. agri KACC 13768T and P. suwonensis KACC 11317T were 40.0, 36.3, 37.0, 32.3 and 29.7 %, respectively. The morphological, physiological, chemotaxonomic and phylogenetic analyses clearly distinguished this novel strain from its closest phylogenetic neighbours. Thus, strain K-4-11-1T represents a novel species of the genus Pedobacter, for which the name Pedobacter kyonggii sp. nov. is proposed. The type strain is K-4-11-1T (=KEMB 9005-574T=KACC 19174T=JCM 31916T). © 2017 IUMS.
DOI
10.1099/ijsem.0.002428
Appears in Collections:
엘텍공과대학 > 환경공학전공 > Journal papers
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