生物
16S核糖体RNA
系统发育树
拉伤
基因组DNA
属
拟杆菌
系统发育学
植物
基因
遗传学
解剖
作者
Chunling Wang,Ying-ying Lv,Anzhang Li,Qing Yao,Honghui Zhu
标识
DOI:10.1099/ijsem.0.005523
摘要
A lemon-chiffon strain, designated QH1ED-6-2T, was isolated from a soil sample collected from Qinghai Virgin Forests, Qinghai Province, PR China. The strain was Gram-stain-negative, aerobic, rod-shaped and motile by gliding. Phylogenetic analysis of 16S rRNA gene sequences revealed that strain QH1ED-6-2T belongs to the family Fulvivirgaceae, and has the highest similarity values of 93.6-92.0 % to Ohtaekwangia koreensis CCUG 58939T, Ohtaekwangia kribbensis CCUG 58938T, Chryseolinea flava SDU1-6T and Chryseolinea serpens DSM 24574T, respectively. The major cellular fatty acids included iso-C15 : 0, C16 : 1 ω5c, iso-C17 : 0 3-OH and summed feature 3. The major polar lipid was phosphatidylethanolamine. The predominant respiratory quinone was menaquinone-7. The average amino acid identity values and percentages of conserved proteins between QH1ED-6-2T and its closely related genera were 66.4-69.6 % and 58.9-64.9 %, respectively, which are interspersed in the intra-genera cutoff values. The digital DNA-DNA hybridization values were 17.6-19.2 %. The draft genome size of strain QH1ED-6-2T was 7.98 Mbp with a DNA G+C content of 51.4 mol%. Based on phenotypic, chemotaxonomic, phylogenetic data, genomic DNA G+C content, as well as AAI, POCP and dDDH results, strain QH1ED-6-2T represents a novel species of a new genus in the family Fulvivirgaceae, for which the name Parachryseolinea silvisoli sp. nov. is proposed. The type strain is QH1ED-6-2T (=GDMCC 1.2318T=JCM 35041T). We also propose the reclassification of Chryseolinea flava as Pseudochryseolinea flava gen. nov., comb. nov. (type strain SDU1-6T=CGMCC 1.13492T=JCM 32520T).
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