Abstract:
:Strain GI5T was isolated from a surface seawater sample collected from Garorim Bay (West Sea, Republic of Korea). The isolated strain was aerobic, Gram-stain-negative, rod-shaped, motile by means of a polar flagellum, negative for catalase and weakly positive for oxidase. The optimum growth pH, salinity and temperature were determined to be pH 7.5-8.0, 3 % NaCl (w/v) and 25 °C, respectively; the growth ranges were pH 6.0-9.0, 1-7 % NaCl (w/v) and 18-40 °C. The results of phylogenetic analysis of 16S rRNA gene sequences indicated that GI5T clustered within the family Alcanivoracaceae, and most closely with Alcanivorax dieseloleiB-5T and Alcanivorax marinusR8-12T (91.9 % and 91.6 % similarity, respectively). The major cellular fatty acids in GI5T were C18 : 1ω7c/C18 : 1ω6c (44.45 %), C16 : 1ω6c/C16 : 1ω7c (14.17 %) and C16 : 0 (10.19 %); this profile was distinct from those of the closely related species. The major respiratory quinone of GI5T was Q-8. The main polar lipids were phosphatidylethanolamine and phosphatidylglycerol. Two putative alkane hydroxylase (alkB) genes were identified in GI5T. The G+C content of the genomic DNA of GI5T was determined to be 51.2 mol%. On the basis of the results of phenotypic, chemotaxonomic and phylogenetic studies, strain GI5T represents a novel species of a novel genus of the family Alcanivoracaceae, for which we propose the name Ketobacter alkanivorans gen. nov., sp. nov.; the type strain is GI5T (=KCTC 52659T=JCM 31835T).
journal_name
Int J Syst Evol Microbiolauthors
Kim SH,Kim JG,Jung MY,Kim SJ,Gwak JH,Yu WJ,Roh SW,Kim YH,Rhee SKdoi
10.1099/ijsem.0.002823subject
Has Abstractpub_date
2018-07-01 00:00:00pages
2258-2264issue
7eissn
1466-5026issn
1466-5034journal_volume
68pub_type
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journal_title:International journal of systematic and evolutionary microbiology
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更新日期:2012-08-01 00:00:00
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pub_type: 杂志文章,收录出版
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更新日期:2013-06-01 00:00:00
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journal_title:International journal of systematic and evolutionary microbiology
pub_type: 杂志文章
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更新日期:2015-06-01 00:00:00
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更新日期:2008-02-01 00:00:00
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doi:10.1099/ijs.0.054833-0
更新日期:2014-01-01 00:00:00