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. 2016 Oct;66(10):4039-4045.
doi: 10.1099/ijsem.0.001307. Epub 2016 Jul 13.

Panacibacter Ginsenosidivorans Gen. Nov., Sp. Nov., With Ginsenoside Converting Activity Isolated From Soil of a Ginseng Field

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Panacibacter Ginsenosidivorans Gen. Nov., Sp. Nov., With Ginsenoside Converting Activity Isolated From Soil of a Ginseng Field

Muhammad Zubair Siddiqi et al. Int J Syst Evol Microbiol. .

Abstract

A ginsenoside-transforming bacterium, designated Gsoil 1550T, was isolated from soil of a ginseng field and subjected to a polyphasic taxonomic analysis. Colonies of strain Gsoil 1550T were yellow, of low convexity and with regular margin. Cells were long rods, 0.5-1.2 µm wide and 1.6-3 µm long. The isolate grew at 10-37 °C and at pH 5-9 on R2A agar medium; maximum growth occurred at 30 °C and pH 6-7. Phylogenetic study based on the 16S rRNA gene sequence positioned Gsoil 1550T in a distinct lineage in the family Chitinophagaceae, sharing 92.5-92.8 % sequence similarity with members of the closely related genera Terrimonas, Parafilimonas, Sediminibacterium and Parasegetibacter. Strain Gsoil 1550T contained menaquinone MK-7 as the predominant quinone, and iso-C15 : 0, iso-C17 : 0 3-OH, C16 : 0 and iso-C15 : 1 G as major fatty acids. The DNA G+C content was 44.6 mol%. Strain Gsoil 1550T could be distinguished from other members of the family Chitinophagaceae by a number of chemotaxonomic and phenotypic characteristics. The major polar lipid of strain Gsoil 1550T was phosphatidylethanolamine. Based on this polyphasic taxonomic analysis, strain Gsoil 1150T represents a novel species within a new genus, for which the name Panacibacter ginsenosidivorans gen. nov., sp. nov. is proposed. The type strain of Panacibacter ginsenosidivorans is Gsoil 1550T (=KCTC 12658T=JCM 31452T).

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