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- Title
Thalassotalea sediminis sp. nov., isolated from coastal sediment.
- Authors
Xu, Zhen-Xing; Lu, De-Chen; Liang, Qi-Yun; Chen, Guan-Jun; Du, Zong-Jun
- Abstract
A novel Gram-stain negative, facultatively anaerobic, rod-shaped and yellowish-white-pigmented marine bacterium, designated strain N211, was isolated from marine sediment obtained off the coastal area of Weihai, China. The cells are approximately 0.4-0.9 × 1.8-3.5 μm in size and motile by means of a polar flagellum. The strain grows optimally at 33 °C, pH 7.5-8.5 and in the presence of 3.0 % (w/v) NaCl. A neighbour-joining phylogenetic tree based on 16S rRNA gene sequences indicated that strain N211 fell within the clade comprising the type strains of species of the genus Thalassotalea. Strain N211 was most closely related to Thalassotalea ganghwensis DSM 15355 (96.4 %) based on the 16S rRNA gene sequence, and shared 94.4-96.4 % similarity with type strains of all members of the genus Thalassotalea. The predominant isoprenoid quinone of strain N211 was identified as ubiquinone-8 (Q-8). The major polar lipids were found to be phosphatidylethanolamine, phosphatidylglycerol and an unidentified lipid. C w8c, summed feature 3 (C w7c and/or iso-C 2-OH) and C were found to be main cellular fatty acids. The G+C content of the genomic DNA is 39.1 mol%. It is evident from phenotypic data and phylogenetic inference that strain N211 represents a novel species of the genus Thalassotalea, for which the name T. sediminis sp. nov. is proposed. The type strain is N211 (=KCTC 42588 = MCCC 1H00116).
- Subjects
GRAM-negative bacteria; MARINE sediment microbiology; MARINE microbiology; RIBOSOMAL RNA; TAXONOMY
- Publication
Antonie van Leeuwenhoek, 2016, Vol 109, Issue 3, p371
- ISSN
0003-6072
- Publication type
Article
- DOI
10.1007/s10482-015-0639-4