1887

Abstract

A Gram-stain-negative, filamentous rod-shaped, aerobic and non-motile strain, YX9, was isolated from sludge of a manganese mine. Analysis of the 16S rRNA gene sequence revealed that strain YX9 formed the same branch within the members of the genus Runella and showed high relatedness to Runella slithyformis DSM 19594 (98.1 %), Runella palustris HMF3829 (96.0 %) and Runella zeae NS12 (95.4 %). The genome length of strain YX9 was 7.21 Mb, had 5985 coding sequences and a DNA G+C content of 44.8 mol%. The average nucleotide identity value of the draft genomes between strain YX9 and R . slithyformis DSM 19594 was 80.7 %. The major fatty acids of strain YX9 were iso-C15 : 0, C16:1 ω5c and summed feature 3 (C16:1 ω7c and/or C16:1 ω6c). The predominant respiratory quinone was menaquinone 7. The polar lipids of strain YX9 were phosphatidylethanolamine, four unidentified lipids, two aminolipids, a phospholipid and a glycolipid. Based on the results of genotypic and phenotypic studies, strain YX9 represents a novel species within the genus Runella , for which the name Runella aurantiaca sp. nov. is proposed (=KCTC 62875=CCTCC AB 2018214).

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/content/journal/ijsem/10.1099/ijsem.0.003435
2019-05-23
2019-08-25
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