Strain DCY21T, a Gram-negative, gliding and rod-shaped aerobic bacterium was isolated from soil of a ginseng field in the Republic of Korea and characterized using a polyphasic approach in order to determine its taxonomic position. Comparative 16S rRNA gene sequence analysis revealed that strain DCY21T clustered with the species of the genus Lysobacter. It was closely related to Lysobacter gummosus LMG 8763T (97.9 %), Lysobacter capsici YC5194T (97.6 %), Lysobacter antibioticus DSM 2044T (97.5 %), Lysobacter niastensis DSM 18481T (97.2 %) and Lysobacter enzymogenes DSM 2043T (96.9 %). The major cellular fatty acids of strain DCY21T were iso-C15 : 0 (34.3 %), iso-C17 : 1ω9c (19.5 %) and iso-C17 : 0 (17.2 %) and the major isoprenoid quinone was Q-8. The major polar lipids of strain DCY21T were diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylglycerol and phosphatidyl-N-methylethanolamine. The G+C content of the total DNA was 65.4 mol%. The DNA–DNA relatedness values, and biochemical and physiological characteristics strongly supported the genotypic and phenotypic differentiation of strain DCY21T from species of the genus Lysobacter. Strain DCY21T therefore represents a novel species, for which the name Lysobacter soli sp. nov. is proposed. The type strain is DCY21T (=KCTC 22011T =LMG 24126T).
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