期刊
ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY
卷 112, 期 12, 页码 1841-1848出版社
SPRINGER
DOI: 10.1007/s10482-019-01301-8
关键词
Antarctic seawater; Chachezhania antarctica gen; nov; Polyphasic taxonomy
类别
资金
- National Key R&D Program of China [2016YFA0601303, 2018YFC1406703, 2018YFC1406701, 2018YFC1406704]
- Qingdao National Laboratory for Marine Science and Technology [2017ASTCP-OS14]
- National Science Foundation of China [31670063, 31670497, 31870052]
- Chinese Arctic and Antarctic Administration, State Oceanic Administration, P. R. China [2012GW04004, 2014GW07007, 2013YR03003, 2014YR01011, 15/16YR07, 2016YR07007]
- Taishan Scholars Program of Shandong Province [2009TS079]
- Science and Technology Basic Resources Investigation Program of China [2017FY100804]
- key laboratory of global change and marine-atmospheric chemistry of the State Oceanic Administration, P. R. China [2018GCMAC16]
- Natural Science Foundation of Jiangsu Province [BK20170397]
A Gram-stain-negative, aerobic, non-flagellated, rod-shaped bacterium, designated strain SM1703(T), was isolated from Antarctic seawater collected near the Chinese Antarctic Great Wall Station, King George Island, West Antarctica. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain SM1703(T) formed a distinct phylogenetic lineage within the family 'Rhodobacteraceae', sharing high 16S rRNA gene sequence similarity with Marivita litorea (95.5%). The strain grew at 10-37 degrees C (optimum, 25 degrees C) and with 0.5-13% (w/v) NaCl (optimum, 3-5%). The major cellular fatty acids were C-19:0 cyclo omega 8c, C-18:1 omega 7c, C-18:1 2-OH and C-16:0 2-OH. The major polar lipids were phosphatidylglycerol, phosphatidylcholine, an unidentified aminolipid and an unidentified lipid. The genomic DNA G+C content of strain SM1703(T) was 64.6 mol%. Based on the results of the polyphasic characterization for strain SM1703(T), it is classified as the representative of a novel species in a new genus of the family 'Rhodobacteraceae', for which the name Chachezhania antarctica gen. nov., sp. nov. is proposed. The type strain of Chachezhania antarctica is SM1703(T) (=MCCC 1K03470(T)=KCTC 62794(T)=CCTCC AB 2018351(T)).
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