Abstract:
:A Gram-stain-negative, facultatively anaerobic, motile and rod-shaped bacterium, designated D20T, was isolated from the saline Lake Dai in Inner Mongolia, PR China. Growth of strain D20T occurred at 25-45 °C (optimum, 40 °C), pH 4.0-12.0 (optimum, 8.0) and with 0-3 % NaCl (w/v); (optimum, 0-1 %). The results of 16S rRNA gene sequence analysis revealed that strain D20T was most closely related to three Thauera species, Thaueraselenatis AXT, Thaueraaminoaromatica S2T and Thaueraaromatica K172T, with a similarity value of 96.2 %. The major respiratory quinone of strain D20T was ubiquinone-8 (Q-8), and the dominant fatty acids (>10 %) were summed feature 3 (C16 : 1ω6c and/or C16 : 1ω7c; 39.8 %), C16 : 0 (30.9 %) and summed feature 8 (C18 : 1ω6c and/or C18 : 1ω7c; 13.5 %). The polar lipid profile contained phosphatidylethanolamine, diphosphatidylglycerol, phosphatidylglycerol, one aminophospholipid and five unidentified lipids. The DNA G+C content was 67.2 mol% (data from the genome sequence). The estimated genome size was 3.7 Mb. The phenotypic, genotypic and chemotaxonomic differences between strain D20T and its phylogenetic relatives indicated that strain D20T should be regarded as a novel species in the genus Thauera, for which the name Thaueralacus sp. nov. is proposed. The type strain is D20T (=MCCC 1H00305T=KCTC 62586T).
journal_name
Int J Syst Evol Microbiolauthors
Zheng WS,Liang QY,Du ZJdoi
10.1099/ijsem.0.003679subject
Has Abstractpub_date
2019-12-01 00:00:00pages
3786-3791issue
12eissn
1466-5026issn
1466-5034journal_volume
69pub_type
杂志文章abstract::A novel Gram-stain-negative, strictly aerobic, rod-shaped and agar-hydrolysing bacterium, designated D2T, was isolated from a marine sediment sample collected from the coast of Weihai, China (37° 31' 59″ N 122° 03' 47″ E). The cells were motile by a lateral flagellum. Growth was observed at 10-42 °C, at pH 6.0-9.0 and...
journal_title:International journal of systematic and evolutionary microbiology
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更新日期:2018-04-01 00:00:00
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更新日期:2004-01-01 00:00:00
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更新日期:2004-05-01 00:00:00
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更新日期:2009-10-01 00:00:00
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更新日期:2013-12-01 00:00:00
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