Abstract
An orange-colored bacterial strain, ICM 1-15T, was isolated
from greenhouse soil. The 16S rRNA gene sequence of this
strain showed the highest sequence similarity with Niabella
ginsengisoli GR10-1T (95.2%) and Niabella yanshanensis
CCBAU 05354T (95.0%) among the type strains. The strain
ICM 1-15T was a strictly aerobic, Gram-negative, non-sporeforming,
non-motile, flexirubin pigment-producing, short
rod-shaped bacterium. The strain grew at 15–35°C (optimum,
25°C), at a pH of 5.0–8.5 (optimum, pH 6.5), and in
the presence of 0–3% NaCl (optimum, 1%). The DNA G+C
content of strain ICM 1-15T was 43.6 mol%. It contained
MK-7 as the major isoprenoid quinone and iso-C15:0 (38.9%),
iso-C15:1 G (20.3%), and iso-C17:0 3-OH (12.9%) as the major
fatty acids. On the basis of evidence from our polyphasic
taxonomic study, we concluded that strain ICM 1-15T should
be classified within a novel species of the genus Niabella,
for which the name Niabella terrae sp. nov. is proposed.
The type strain is ICM 1-15T (=KACC 17443T =JCM 19502T).
Citations
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