Journal
ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY
Volume 108, Issue 3, Pages 553-561Publisher
SPRINGER
DOI: 10.1007/s10482-015-0510-7
Keywords
Lysobacter agri; Polyphasic taxonomy; Gram-negative; Ubiquinone Q-8
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Funding
- Ministry of Trade, Industry & Energy (MOTIE, Korea) [N0000888]
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A bacterial strain, designated as THG-SKA3(T), was isolated from field soil of Kyung Hee University, South Korea. Cells of the isolate were observed to be Gram-negative, aerobic, rod-shaped and motile by gliding. The strain was found to grow optimally at 28 A degrees C, at pH 7 and in absence of NaCl. Based on 16S rRNA gene sequence comparisons, strain THG-SKA3(T) shared highest sequence similarity with Lysobacter niastensis KACC 11588(T) followed by Lysobacter panacisoli KACC 17502(T), Lysobacter enzymogenes LMG 8762(T) and Lysobacter oryzae KCTC 22249(T). The G+C content of THG-SKA3(T) was determined to be 68.9 mol%. The DNA-DNA relatedness values between strain THG-SKA3(T) and its closest phylogenetic neighbors were below 25.0 %.The major polar lipids of strain THG-SKA3(T) were determined to be diphosphatidylglycerol, phosphatidylglycerol and phosphatidylethanolamine. The predominant respiratory quinone was identified as ubiquinone 8 (Q-8). The major cellular fatty acids were identified as branched chain iso-C-15:0, iso-C-16:0 and unsaturated iso-C-17:1 omega 9c. On the basis of polyphasic data presented, it is evident that strain THG-SKA3(T) represents a novel species of the genus Lysobacter, for which the name Lysobacter agri sp. nov. (type strain THG-SKA3(T) = KACC 18283(T) = CSCTCC AB 2015126(T)) is proposed.
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