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Abstract

An orange bacterial strain, designated G5, was isolated during the study of the bacterial diversity of a coal mine. The cell wall of strain G5 contained peptidoglycan type A4 (-Lys–Gly–-Glu) and the sugars xylose and mannose. The major menaquinones were MK-8 (45.0 %) and MK-9 (34.0 %) and minor amounts of MK-7 and MK-8(H) were also found. The major fatty acids were anteiso-C (44.9 %) and iso-C (44.2 %). The main cellular polar lipids were diphosphatidylglycerol, phosphatidylglycerol and phosphatidylinositol. 16S rRNA gene sequence analysis showed that strain G5 was closely related to YIM 70085 and YIM 70178 (both 96.7 % 16S rRNA gene sequence similarity). The genomic DNA G+C content of strain G5 was 61.6 mol%. These data and other phenotypic characteristics clearly indicated that strain G5 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is G5 (=MTCC 9846=DSM 22966).

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2011-03-01
2020-01-24
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Total polar lipid profile of sp. nov. G5 . DMG, Dimannosyldiacylglycerol; DPG, diphosphatidylglycerol; ML, mannose-containing lipid; PG, phosphatidylglycerol; PI, phosphatidylinositol; PIM, phosphatidylinositol mannoside; PL, unknown phospholipid; AL, aminolipid; UL, unknown lipid.

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