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Neiella litorisoli sp. nov., an alginate lyase: producing bacterium from South China Sea, and proposal of Echinimonadaceae fam. nov. in the order Alteromonadales

文献类型： 外文期刊

作者： Sun, Jing-Ran 1 ; Mo, Kun-Lian 2 ; Li, Xue 2 ; Hu, Yong-Hua 2 ; Liu, Zhi-Yuan 1 ; Huang, Hui-Qin 2 ;

作者机构： 1.Hainan Univ, Coll Marine Sci, Haikou 570228, Peoples R China

2.CATAS, Inst Trop Biosci & Biotechnol, Hainan Inst Trop Agr Resources, Haikou 571101, Peoples R China

3.CATAS, Zhanjiang Expt Stn, Zhanjiang 524013, Peoples R China

4.Heilongjiang Bayi Agr Univ, Coll Agr, Daqing 163000, Peoples R China

5.Lab Marine Biol & Biotechnol, Pilot Natl Lab Marine Sci & Technol, Qingdao 266071, Peoples R China

6.Hainan Prov Key Lab Funct Components Res & Utiliza, Haikou 571101, Peoples R China

关键词： 16S rRNA gene; Alginate lyase; Neiella litorisoli sp; nov; Polyphasic taxonomy; Echinimonadaceae

期刊名称：ARCHIVES OF MICROBIOLOGY （ 影响因子：2.8； 五年影响因子：2.8 ）

ISSN： 0302-8933

年卷期： 2023 年 205 卷 6 期

页码：

收录情况： SCI

摘要： A Gram-stain-negative, rod-shaped bacterium, designated HB171785(T), was isolated from soil sample collected from Qishui Bay, Hainan, China. The strain grew optimally at pH 7-8, 37-40 degrees C and with NaCl 3-4%. The predominant isoprenoid quinone was found to be Q-8 and the major fatty acids were C-16:0, C-16:1 omega 7c/C-16:1 omega 6c, C-18:1 omega 7c/C-18:1 omega 6c and C-12:0 3OH. The polar lipids contained diphosphatidylglycerol, phosphatidylglycerol, and phosphatidylethanolamine. The size of the draft genome was 4.32 Mbp with G + C content 49.7%. Phylogenetic analysis of 16S rRNA gene sequence indicated that the closest phylogenetically related species were Neiella marina j221(T), "Neiella holothuriorum" 126 and Echinimonas agarilytica KMM 6351(T) with the similarities of 98.2, 96.0 and 95.0%, respectively. The phylogenetic tree based on 16S rRNA gene and phylogenomic tree based on core genome showed that strain HB171785(T) clustered together with N. marina j221(T), with the highest values of average nucleotide identity (82.9%) and digital DNA-DNA hybridization (25.4%). The combined phylogenetic relatedness, phenotypic and genotypic features supported the conclusion that strain HB171785(T) represents a novel species of the genus Neiella, for which the name Neiella litorisoli sp. nov. is proposed. The type strain is HB171785(T) (= MCCC 1K04625(T) = KCTC 82319(T)). In addition, Echinimonadaceae fam. nov. in the order Alteromonadales was proposed.

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