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	Morphology and Molecular Phylogeny of Trimyema koreanum n. sp., a Ciliate from the Hypersaline Water of a Solar Saltern
	Cho, Byung Cheol1; Park, Jong Soo1; Xu, Kuidong2; Choi, Joong Ki3
刊名	JOURNAL OF EUKARYOTIC MICROBIOLOGY
	2008-09-01
卷号	55期号:5页码:417-426
关键词	Ciliate New Species Solar Saltern Taxonomy 18s Rrna Gene Sequence
ISSN号	1066-5234
DOI	10.1111/j.1550-7408.2008.00340.x
文献子类	Article
英文摘要	A new ciliate, Trimyema koreanum n. sp., isolated from hypersaline water (salinity of 293 parts per thousand) from a solar saltern in Korea, was investigated using live observation, protargol impregnation, and gene sequencing. Trimyema koreanum is about 30 x 13 mu m in vivo, has usually 23 longitudinal ciliary rows forming two distinct ciliary girdles visible both in vivo and in protargol impregnation. A third indistinct ciliary girdle as well as a girdle of mucocysts is distinguishable only in impregnated cells. We suggest T. koreanum as a new species, differing from the most similar species, T. marinum, by the presence of two distinct ciliary girdles (T. marinum usually has six ciliary girdles clearly visible in living cells and three anterior spirals that encircle the cell completely). Although the number of known 18S rRNA sequences in the genus Trimyema was limited, the Trimyema group including T. koreanum forms a strong clade. The phylogenetic position confirms that the isolate belongs to the genus Trimyema and is different from previously sequenced species. Trimyema koreanum is able to consume both prokaryotes and small eukaryotes (specifically, the alga Dunaliella sp.).; A new ciliate, Trimyema koreanum n. sp., isolated from hypersaline water (salinity of 293 parts per thousand) from a solar saltern in Korea, was investigated using live observation, protargol impregnation, and gene sequencing. Trimyema koreanum is about 30 x 13 mu m in vivo, has usually 23 longitudinal ciliary rows forming two distinct ciliary girdles visible both in vivo and in protargol impregnation. A third indistinct ciliary girdle as well as a girdle of mucocysts is distinguishable only in impregnated cells. We suggest T. koreanum as a new species, differing from the most similar species, T. marinum, by the presence of two distinct ciliary girdles (T. marinum usually has six ciliary girdles clearly visible in living cells and three anterior spirals that encircle the cell completely). Although the number of known 18S rRNA sequences in the genus Trimyema was limited, the Trimyema group including T. koreanum forms a strong clade. The phylogenetic position confirms that the isolate belongs to the genus Trimyema and is different from previously sequenced species. Trimyema koreanum is able to consume both prokaryotes and small eukaryotes (specifically, the alga Dunaliella sp.).
URL标识	查看原文
语种	英语
WOS记录号	WOS:000260137700007
公开日期	2010-12-30
内容类型	期刊论文
源URL	[http://ir.qdio.ac.cn/handle/337002/6309]
专题	海洋研究所_海洋生物分类与系统演化实验室
作者单位	1.Seoul Natl Univ, Sch Earth & Environm Sci, Seoul 151742, South Korea 2.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China 3.Inha Univ, Dept Oceanog, Inchon 402751, South Korea
推荐引用方式 GB/T 7714	Cho, Byung Cheol,Park, Jong Soo,Xu, Kuidong,et al. Morphology and Molecular Phylogeny of Trimyema koreanum n. sp., a Ciliate from the Hypersaline Water of a Solar Saltern[J]. JOURNAL OF EUKARYOTIC MICROBIOLOGY,2008,55(5):417-426.
APA	Cho, Byung Cheol,Park, Jong Soo,Xu, Kuidong,&Choi, Joong Ki.(2008).Morphology and Molecular Phylogeny of Trimyema koreanum n. sp., a Ciliate from the Hypersaline Water of a Solar Saltern.JOURNAL OF EUKARYOTIC MICROBIOLOGY,55(5),417-426.
MLA	Cho, Byung Cheol,et al."Morphology and Molecular Phylogeny of Trimyema koreanum n. sp., a Ciliate from the Hypersaline Water of a Solar Saltern".JOURNAL OF EUKARYOTIC MICROBIOLOGY 55.5(2008):417-426.

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