Abstract:
:A Gram-staining-negative, rod-shaped, facultatively anaerobic, non-motile and pale-red-pigmented bacterium, designated SAORIC-476T, was isolated from deep-sea water from the Pacific Ocean. 16S rRNA gene sequence analyses showed that strain SAORIC-476T was most closely related to Rubrivirga marinaSAORIC-28T (96.8 % similarity) and formed a robust phylogenetic clade with Rubrivirga marinaof the family Rhodothermaceae. Optimal growth of strain SAORIC-476T was observed at 25 °C, pH 7.5 and in the presence of 3.0 % (w/v) NaCl. The DNA G+C content of strain SAORIC-476T was 66.2 mol%, and the sole isoprenoid quinone was MK-7. The predominant cellular fatty acids were summed feature 9 (iso-C17 : 1ω9c and/or 10-methyl C16 : 0), iso-C17 : 0, C17 : 1ω8c and iso-C15 : 0. The major polar lipids constituted phosphatidylethanolamine, phosphatidylglycerol, diphosphatidylglycerol, three unknown phospholipids and four unknown polar lipids. On the basis of taxonomic data obtained in this study, it was concluded that strain SAORIC-476T represents a novel species of the genus Rubrivirga, for which the name Rubrivirga profundi sp. nov. is proposed. The type strain of Rubrivirga profundi is SAORIC-476T (=NBRC 110607T=KACC 18401T).
journal_name
Int J Syst Evol Microbiolauthors
Song J,Joung Y,Park S,Cho JC,Kogure Kdoi
10.1099/ijsem.0.001182subject
Has Abstractpub_date
2016-09-01 00:00:00pages
3253-3257issue
9eissn
1466-5026issn
1466-5034journal_volume
66pub_type
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