文献类型： 外文期刊
作者： Yu, Qunfang 1 ; Qi, Yanxiang 1 ; Pu, Jinji 1 ;
作者机构： 1.Chinese Acad Trop Agr Sci, Inst Environm & Plant Protect, Haikou 571101, Peoples R China
关键词： coastal sediments; genome sequencing; polyphasic taxonomy; Rheinheimera lutimaris
期刊名称：INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY （ 影响因子：2.689； 五年影响因子：2.925 ）
ISSN： 1466-5026
年卷期： 2021 年 71 卷 12 期
页码：
收录情况： SCI
摘要： A Gram-stain-negative, aerobic, rod-shaped bacterium, designated strain YQF-2(T), was isolated from coastal sediment sampled in Jiangsu Province and characterized phylogenetically and phenotypically. Optimal bacterial growth occurred at 28 degrees C (range 4-38 degrees C) and pH 7 (pH 6-10). Phylogenetic analysis based on 16S rRNA gene sequences showed that strain YQF-2(T) was related to members of the genus Rheinheimera and shared the highest sequence identities with Rheinheimera pacifica KMM 1406(T) (98.6%), followed by Rheinheimera aestuarii H29(T) (98.4%), Rheinheimera japonica KMM 9513(T) (98.3%), Rheinheimera aquimaris SW-353(T) (98.3%), Rheinheimera hassiensis E48(T) (97.8%) and Rheinheimera muenzenbergensis E49(T) (97.7%). The 16S rRNA gene sequence identities between strain YQF-2(T) and other members of the genus Rheinheimera were below 97.2%. The digital DNADNA hybridization value between strain YQF-2(T) and R. pacifica KMM 1406(T) was 23.3 +/- 2.3%. The average nucleotide identity value between strain YQF-2(T) and R. pacifica KMM 1406(T) was 79.7%. The unique respiratory quinone was ubiquinone-8. Phosphatidylethanolamine and phosphatidylglycerol were identified as the major polar lipids. The strain had summed feature 3 (C-16:1 omega 7c and/or C-16:1 omega 6c), summed feature 8 (C-18:1 omega 7c and/or C-18:1 omega 6c), C-16:0, C-12:0 3-OH and iso-C-17:0 3-OH as major fatty acids. The G+C content of the genomic DNA was 50.0 mol%. On the basis of phenotypic, genotypic and phylogenetic evidence, strain YQF-2(T) represents a novel species of the genus Rheinheimera, for which the name Rheinheimera lutimaris sp. nov. is proposed, with the type strain YQF-2(T) (=KCTC 72184(T)=MCCC 1K03663(T)).
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