期刊
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
卷 63, 期 -, 页码 1519-1523出版社
MICROBIOLOGY SOC
DOI: 10.1099/ijs.0.041798-0
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资金
- National Natural Science Foundation of China [30970099]
- Natural Science Foundation of Jiangsu Province, China [BK2011066]
- Fundamental Research Funds for the Central Universities [KYZ201122]
A Gram-negative, aerobic, non-motile, non-spore-forming rod, designated DC-3(T), was isolated from activated sludge of a wastewater treatment plant in China. Comparative 16S rRNA gene sequence analysis showed that strain DC-3(T) belonged to the family Xanthomonadaceae and formed a lineage within the genus Dokdonella. Strain DC-3(T) shared the highest 16S rRNA gene sequence similarity with Dokdonella soli KIS28-6(T) (97.1%) and Dokdonella fugitiva A3(T) (97.1 %). The G + C content of the genomic DNA was 71.5 mol%. The major respiratory quinone was Q-8 and the major fatty acids were iso-C-17:1 omega 9c (31.6%), iso-C-15:0 (12.6%), iso-C-16:0 (21.3 %), iso-C-17:0 (13.1 %) and iso-C-11:0 3-OH (6.5 %), which supported the affiliation of strain DC-3(T) with the genus Dokdonella. DNA DNA relatedness between strain DC-3(T) and its closest phylogenetic neighbours was <30%. The results of physiological and biochemical tests allowed genotypic and phenotypic differentiation of strain DC-3(T) from the recognized species of the genus Dokdonella. On the basis of its phenotypic properties and phylogenetic distinctiveness, strain DC-3(T) represents a novel species of the genus Dokdonella, for which-the name Dokdonella kunshanensis sp. nov. is proposed. The type strain is DC-3(T) (=CCTCC AB 2011179(T) =KACC 16511(T)). The description of the genus Dokdonella is also emended.
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