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题名: Morphology, cell-division, and phylogeny of Schmidingerothrix elongata spec. nov (Ciliophora, Hypotricha), and brief guide to hypotrichs with Gonostomum-like oral apparatus
作者: Lu, Xiaoteng1, 2, 3; Huang, Jie4; Shao, Chen1; Berger, Helmut5
关键词: China ; Guide ; Longfeng Wetland ; Saline habitat ; Soil biology ; Taxonomy
刊名: EUROPEAN JOURNAL OF PROTISTOLOGY
发表日期: 2018-02-01
DOI: 10.1016/j.ejop.2017.11.001
卷: 62, 页:24-42
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Microbiology
研究领域[WOS]: Microbiology
英文摘要: The hypotrich Schmidingerothrix elongata spec. nov., discovered in saline (20%) soil of the Longfeng Wetland, Daqing, northern China, was studied using live observation and protargol impregnation. It is characterized, inter alia, by colorless cortical granules arranged in short rows, three frontoventral cirral rows with the rightmost extending far posteriorly, and 4-8, usually six macronuclear nodules. Cell division proceeds as in congeners and confirms the lack of dorsal ciliature. In phylogenetic analyses based on SSU rDNA, S. elongata is sister of S. salinarum+Paracladotricha salina. A re-investigation of the type slides of P. salina, type of Paracladotricha, revealed a misobservation in the original description. Since P. salina lacks, like Schmidingerothrix spp., a dorsal ciliature, Paracladotricha becomes a junior, subjective synonym of Schmidingerothrix with S. salina comb. nov. as fourth species. A review of the phylogenetic analyses dealing with Schmidingerothrix shows that its position is variable. However, together with the gonostomatid oral apparatus it can be hypothesized that Schmidingerothrix is a member of the Gonostomatidae or a close relative. A list of genera (14) and species (58) which have - like Schmidingerothrix - a gonostomatid oral apparatus, as well as a key to these genera are provided. (c) 2017 Elsevier GmbH. All rights reserved.
关键词[WOS]: MOLECULAR PHYLOGENY ; SOIL CILIATE ; ET-AL. ; PROTOZOA ; MORPHOGENESIS ; CONFIDENCE ; TAXONOMY ; DIVERSITY ; ONTOGENY ; GENUS
语种: 英语
项目资助者: Natural Science Foundation of China(31772477 ; Austrian Science Fund (FWF)(P23415-B17) ; 31572247 ; 31372148)
WOS记录号: WOS:000426194500003
ISSN号: 0932-4739
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内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/50911
Appears in Collections:淡水生态学研究中心_期刊论文

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作者单位: 1.Xi An Jiao Tong Univ, Sch Life Sci & Technol, Minist Educ, Key Lab Biomed Informat Engn, Xian 710049, Shaanxi, Peoples R China
2.Univ Innsbruck, Res Inst Limnol, Mondseestr 9, A-5310 Mondsee, Austria
3.Ocean Univ China, Inst Evolut & Marine Biodivers, Qingdao 266003, Peoples R China
4.Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Hubei, Peoples R China
5.Consulting Engn Off Ecol, Radetzkystr 10, A-5020 Salzburg, Austria
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