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|標題:||Description of Niveispirillum fermenti gen. nov., sp. nov., isolated from a fermentor in Taiwan, transfer of Azospirillum irakense (1989) as Niveispirillum irakense comb. nov., and reclassification of Azospirillum amazonense (1983) as Nitrospirillum amazonense gen. nov||作者:||Lin, Shih-Yao
|關鍵字:||Bacterial Typing Techniques;Base Composition;Bioreactors;Cluster Analysis;DNA, Bacterial;DNA, Ribosomal;Fatty Acids;Locomotion;Molecular Sequence Data;Phospholipids;Phylogeny;Quinones;RNA, Ribosomal, 16S;Rhodospirillaceae;Sequence Analysis, DNA;Taiwan||Project:||Antonie van Leeuwenhoek, Volume 105, Issue 6, Page(s) 1149-1162.||摘要:||
A taxonomic study was carried out on a novel aerobic bacterial strain (designated CC-LY736(T)) isolated from a fermentor in Taiwan. Cells of strain CC-LY736(T) were Gram-stain negative, spiral-shaped and motile by means of a monopolar flagellum. Strain CC-LY736(T) shared the greatest degree of 16S rRNA gene sequence similarity to Azospirillum irakense DSM 11586(T) (97.2 %), Rhodocista centenaria JCM 21060(T) (96.3 %) and Rhodocista pekingensis JCM 11669(T) (96.1 %). The major fatty acids were C16:0, C16:1 ω5c, C19:0 cyclo ω8c, C18:1 ω7c/C18:1 ω6c, C16:0 3-OH and C18:1 2-OH. The predominant polar lipids included phosphatidylcholine, phosphatidylglycerol, diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylmethylethanolamine, phosphatidyldimethylethanolamine and two unidentified glycolipids. The common major respiratory quinone was ubiquinone Q-10 and predominant polyamines were sym-homospermidine and putrescine. The DNA G+C content of strain CC-LY736(T) was 67.6 ± 0.1 mol %. During phylogenetic analysis, strain CC-LY736(T) formed a unique phyletic lineage associated with Rhodocista species. However, the combination of genetic, chemotaxonomic and physiological data clearly indicated that strain CC-LY736(T) was a novel representative of the family Rhodospirillaceae. Based on the polyphasic comparison, the name Niveispirillum fermenti gen. nov., sp. nov. is proposed; the type strain of the type species is CC-LY736(T) (= BCRC 80504(T) = LMG 27263(T)). In addition, the reclassifications of Azospirillum irakense as Niveispirillum irakense comb. nov. (type strain KBC1(T) = ATCC 51182(T) = BCRC 15764(T) = CIP 103311(T)), and Azospirillum amazonense as Nitrospirillum amazonense gen. nov., sp. nov. (type strain Am14(T) = ATCC 35119(T) = BCRC 14279(T) = DSM 3787(T)) are proposed based on the polyphasic taxonomic data obtained in this study.
|Appears in Collections:||土壤環境科學系|
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