Abstract
A novel bacterial strain, designated NA-09T, was isolated
from a freshwater sample collected from the Cheonho reservoir,
Republic of Korea. Colonies were creamy-white pigmented,
translucent, and circular with convex shape. The
isolate was Gram-staining negative, strictly aerobic, motile,
and rod-shaped. The 16S rRNA gene sequence analysis revealed
that strain NA-09T belonged to the genus Arenimonas
and showed the highest sequence similarities with Arenimonas
malthae CC-JY-1T (95.4%), A. oryziterrae YC6267T
(94.9%), A. composti P2-12-1T (94.8%), and A. donghaensis
H03-R19T (94.1%). The major fatty acids were iso-C16:0
(20.8%), iso-C15:0 (16.9%), summed feature 1 (13.2%), and
iso-C16:1ω7c alcohol (10.2%). The major isoprenoid quinone
of the isolate was ubiquionone-8. On the basis of the data
from the polyphasic characterization, the strain NA-09T
represents a novel species, for which the name Arenimonas
aquaticum sp. nov. is proposed (type strain NA-09T =KACC
14663T =NBRC 106550T).
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