Runella aurantiaca sp. nov., isolated from sludge of a manganese mine
2019
A Gram-stain-negative, filamentous rod-shaped, aerobic and non-motile strain, YX9T, was isolated from sludge of a manganese mine. Analysis of the 16S rRNA gene sequence revealed that strain YX9T formed the same branch within the members of the genus
Runella
and showed high relatedness to
Runella slithyformis
DSM 19594T (98.1 %),
Runella palustris
HMF3829T (96.0 %) and
Runella zeae
NS12T (95.4 %). The genome length of strain YX9T 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 YX9T and
R
.
slithyformis
DSM 19594T was 80.7 %. The major fatty acids of strain YX9T 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 YX9T were phosphatidylethanolamine, four unidentified lipids, two aminolipids, a phospholipid and a glycolipid. Based on the results of genotypic and phenotypic studies, strain YX9T represents a novel species within the genus
Runella
, for which the name
Runella
aurantiaca sp. nov. is proposed (=KCTC 62875T=CCTCC AB 2018214T).
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