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Taxonomy Citation ID Reference
52639 Wang  Y, Liu  T, Ming  H, Sun  P, Cao  C, Guo  M, Du  J, Zhou  C, Zhu  W,     ( 2018 )

Thalassotalea atypica sp. nov., isolated from seawater, and emended description of Thalassotalea eurytherma.

International journal of systematic and evolutionary microbiology 68 (1)
PMID : 29143725 DOI  :   10.1099/ijsem.0.002495    
Abstract >>
A novel Gram-stain-negative, straight or slightly curved rod-shaped, non-spore-forming, non-flagellated, strictly aerobic strain, designated RZG4-3-1T, was isolated from coastal seawater of Rizhao, China (119.625�X E 35.517�X N). The organism grew optimally at 24-28 �XC, at pH 7.0 and in the presence of 2.0 % (w/v) NaCl. The strain required seawater or artificial seawater for growth, and NaCl alone did not support growth. Strain RZG4-3-1T contained ubiquinone 8 (Q-8) as the major respiratory quinone and contained C16 : 1�s7c and/or C16 : 1�s6c and C16 : 0 as the dominant fatty acids. The polar lipids of strain RZG4-3-1T were phosphatidylethanolamine, phosphatidylglycerol and one unidentified aminophospholipid. The DNA G+C content of strain RZG4-3-1T was 40.1 mol%. Strain RZG4-3-1T exhibited the highest 16S rRNA gene sequence similarity value (96.0 %) to Thalassotalea eurytherma JCM 18482T. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain RZG4-3-1T belonged to the genus Thalassotalea. On the basis of polyphasic analyses, strain RZG4-3-1T represents a novel species of the genus Thalassotalea, for which the name Thalassotalea atypica sp. nov. is proposed. The type strain is RZG4-3-1T (=JCM 31894T=KCTC 52745T=MCCC 1K03276T). An emended description of Thalassotalea eurytherma is also provided.
KeywordMeSH Terms
16S rRNA gene
novel species
polyphasic analyses
43145 Hou  TT, Liu  Y, Zhong  ZP, Liu  HC, Liu  ZP,     ( 2015 )

Thalassotalea marina sp. nov., isolated from a marine recirculating aquaculture system, reclassification of Thalassomonas eurytherma as Thalassotalea eurytherma comb. nov. and emended description of the genus Thalassotalea.

International journal of systematic and evolutionary microbiology 65 (12)
PMID : 26400666 DOI  :   10.1099/ijsem.0.000637    
Abstract >>
A Gram-stain-negative, facultatively anaerobic bacterium, strain QBLM2T, was isolated from rearing water of a marine recirculating aquaculture system in Tianjin, China. Its taxonomic position was investigated through a polyphasic approach. Cells of strain QBLM2T were non-spore-forming rods, motile by means of a single polar flagellum. Positive for oxidase and catalase. Growth occurred at 15-40 �XC (optimum 30 �XC), at pH 6.5-10.5 (optimum pH 7.5-8.5) and in the presence of 0-5.0 % (w/v) NaCl (optimum 3 %). Phylogenetic analysis based on 16S rRNA gene sequences showed that strain QBLM2T formed a distinct lineage within the genus Thalassotalea and exhibited sequence similarities of 94.5-96.3 % to members of the genus Thalassotalea. The predominant fatty acids (>10 %) were C17 : 1�s8c and summed feature 3 (C16 : 1�s7c and/or C16 : 1�s6c). The major polar lipids were phosphatidylglycerol and phosphatidylethanolamine. Ubiquinone 8 (Q-8) was the major ubiquinone. The DNA G+C content was 37.1 mol%. Based on the data above, strain QBLM2T is considered to represent a novel species of the genus Thalassotalea, for which the name Thalassotalea marina sp. nov. is proposed. The type strain is QBLM2T (= CGMCC 1.12814T = KCTC 42731T). Phylogenetic analyses indicated that Thalassomonas eurytherma Za6a-12T fell within the genus Thalassotalea, so it is reclassified as Thalassotalea eurytherma comb. nov. and the description of the genus Thalassotalea is emended.
KeywordMeSH Terms
43146 Sun  C, Huo  YY, Liu  JJ, Pan  J, Qi  YZ, Zhang  XQ, Zhang  Y, Zheng  G, Wu  M,     ( 2014 )

Thalassomonas eurytherma sp. nov., a marine proteobacterium.

International journal of systematic and evolutionary microbiology 64 (Pt 6)
PMID : 24664580 DOI  :   10.1099/ijs.0.058255-0    
Abstract >>
Two Gram-staining-negative, aerobic, rod-shaped bacterial strains, designated Za6a-12(T) and Za6a-17, were isolated from seawater of the East China Sea. Cells of Za6a-12(T) and Za6a-17 were approximately 1.5-2.0 ?m��0.5-0.7 ?m and motile by a single polar flagellum. Strains grew optimally at pH 7.5-8.0, 28 �XC, and in the presence of 2.5-3.0% (w/v) NaCl. Chemotaxonomic analysis showed that the predominant respiratory quinone of strains Za6a-12(T) and Za6a-17 was ubiquinone-8 (>97%), and the major fatty acids were C(14 : 0), C(16 : 1)�s7c and/or iso-C(15 : 0) 2-OH, C(16 : 0) and C(17 : 1)�s8c. Their DNA G+C contents were 42.7 mol% and 42.8 mol%, respectively. 16S rRNA gene sequence analysis revealed that the isolates belonged to the genus Thalassomonas and showed the highest sequence similarity to Thalassomonas loyana CBMAI 722(T) (95.9%). Strains Za6a-12(T) and Za6a-17 could be differentiated from T. loyana CBMAI 722(T) according to their phenotypic and chemotaxonomic features, DNA G+C contents and fatty acid composition. On the basis of these features, we propose strains Za6a-12(T) and Za6a-17 to be representatives of a novel species of the genus Thalassomonas with the name Thalassomonas eurytherma sp. nov. suggested. Strain Za6a-12(T) (= CGMCC 1.12115(T) = JCM 18482(T)) is the type strain of this novel species.
KeywordMeSH Terms

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