title: Sphingopyxis panaciterrae sp. nov., isolated from soil from ginseng field.
abstract: A Gram-negative, strictly aerobic, motile bacterial strain, designated Gsoil 124T, was isolated from a soil sample taken from a ginseng field in Pocheon Province (South Korea). The isolate contained Q-10 as the predominant lipoquinone, plus C18:1 7c and summed feature 4 (C16:1 6c and/or iso- C15:0 2-OH) as the major fatty acids. The G+C content of the genomic DNA was 68.1 mol%, and the major polar lipids consisted of sphingoglycolipid, phosphatidylglycerol, phosphatidylcholine, and phosphatidylethanolamine. A comparative 16S rRNA gene sequence analysis showed that strain Gsoil 124T was most closely related to Sphingopyxis chilensis (98.7%), Sphingopyxis alaskensis (98.2%), Sphingopyxis witflariensis (98.2%), Sphingopyxis taejonensis (98.0%), and Sphingopyxis macrogoltabida (97.6%). However, the DNA-DNA relatedness between strain Gsoil 124T and its phylogenetically closest neighbors was less than 22%. Thus, on the basis of its phenotypic properties and phylogenetic distinctiveness, strain Gsoil 124T should be classified as representing a novel species in the genus Sphingopyxis, for which the name Sphingopyxis panaciterrae sp. nov. is proposed. The type strain is Gsoil 124T (=KCTC 12580T=LMG 24003T).
authors.affiliation: Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon, Korea.
authors.forename: Hae-Won
authors.initials: HW
authors.lastname: Lee
authors.forename: Irina L
authors.initials: IL
authors.lastname: Ten
authors.forename: Hae-Min
authors.initials: HM
authors.lastname: Jung
authors.forename: Qing-Mei
authors.initials: QM
authors.lastname: Liu
authors.forename: Wan-Taek
authors.initials: WT
authors.lastname: Im
authors.forename: Sung-Taik
authors.initials: ST
authors.lastname: Lee
mesh_terms: D001482:Base Composition; D004269:DNA, Bacterial / Q000235:genetics; D005227:Fatty Acids / Q000737:chemistry; D005798:Genes, Bacterial; D020459:Genes, rRNA; D007723:Korea; D009693:Nucleic Acid Hybridization; D005894:Panax / Q000382:microbiology*; D010641:Phenotype; D010802:Phylogeny; D012336:RNA, Ribosomal, 16S / Q000235:genetics; D017422:Sequence Analysis, DNA; D012988:Soil Microbiology; D042301:Sphingomonadaceae / Q000737:chemistry / Q000235:genetics* / Q000302:isolation & purification*
chemical_list: D004269:DNA, Bacterial; D005227:Fatty Acids; D012336:RNA, Ribosomal, 16S