Mucilaginibacter panaciglaebae sp. nov., isolated from soil of a ginseng field
2018
A Gram-reaction-negative, strictly aerobic, non-motile and rod-shaped bacterium, designated strain BXN5-31T, was isolated from soil of a ginseng field, and its taxonomic position was investigated using a polyphasic approach. Strain BXN5-31T grew at 18–37 °C and at pH 6.0–8.0 on R2A medium. Based on 16S rRNA gene sequence similarity, strain BXN5-31T was shown to belong to the genus
Mucilaginibacter
and was closely related to
Mucilaginibacter
soyangensis
HME6664T,
Mucilaginibacter
ximonensis
XM-003T and
Mucilaginibacter
puniceus
WS71T. The DNA G+C content was 43.6 %. The predominant respiratory quinone was menaquinone 7 (MK-7) and the major fatty acids were iso-C15 : 0, iso-C17 : 0 3-OH and summed feature 3 (comprising C16 : 1ω6c and/or C16 : 1ω7c). The major polar lipids were phosphatidylglycerol, diphosphatidylglycerol and phosphatidylethanolamine. The DNA–DNA hybridization values between strain BXN5-31T and three reference strains (
M. soyangensis
HME6664T,
M. ximonensis
XM-003T and
M. puniceus
WS71T) were 9.4±1.9, 8.2±1.3 and 5.7±0.7 %, respectively. The DNA G+C content and chemotaxonomic data supported the affiliation of strain BXN5-31T to the genus
Mucilaginibacter
. Moreover, the physiological and biochemical results and low level of DNA–DNA relatedness allowed the phenotypic and genotypic differentiation of strain BXN5-31T from recognized species of the genus
Mucilaginibacter
. The isolate therefore represents a novel species, for which the name
Mucilaginibacter
panaciglaebae sp. nov. is proposed. The type strain is BXN5-31T (=KACC 14957T=JCM 17085T).
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