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An Integrative Investigation ofParabistichella variabilis(Protista, Ciliophora, Hypotrichia) Including Its General Morphology, Ultrastructure, Ontogenesis, and Molecular Phylogeny
Dong, Jingyi1,2,3; Chen, Xumiao4; Liu, Yongqiang1,2; Ni, Bing3; Fan, Xinpeng3; Li, Lifang5; Warren, Alan6
2020-06-15
发表期刊JOURNAL OF EUKARYOTIC MICROBIOLOGY
ISSN1066-5234
页码17
通讯作者Fan, Xinpeng(xpfan@bio.ecnu.edu.cn) ; Li, Lifang(qd_liliy@sina.com)
摘要Hypotrichs are a highly differentiated and very diverse group of ciliated protists. Their systematics and taxonomy are challenging and call for detailed investigations on their general morphology, ultrastructure, ontogenesis, and molecular phylogeny. Here, a comprehensive study is conducted on a brackish water population ofParabistichella variabilisusing light and electron microscopy and phylogenetic analyses based on small subunit ribosomalDNAsequence data. Its morphology, including the infraciliature, pellicle, nuclei, buccal seal, and extrusomes, is documented. The present findings indicate that inP. variabilis: (i) the cortical granules are extrusomes, which differ from those of other hypotrichs; (ii) the buccal seal is bounded by the plasma membrane and contains a single layer of longitudinal microtubules; (iii) two contractile vacuoles might be present rather than one; and (iv) the pharyngeal disks are bounded by a single membrane. Early-to-middle stages of ontogenesis are described for the first time, enabling the complete characterization of this process. Phylogenetic analyses indicate thatParabistichella variabilisis closely related to several species from different genera, such asOrthoamphisiella breviseries,Uroleptoides magnigranulosus, andTachysoma pellionellum. However, ultrastructural and gene sequence data for more taxa are needed in order to resolve the systematics ofParabistichella.
关键词Buccal seal contractile vacuole pore extrusomes pharyngeal disks taxonomic assignment
DOI10.1111/jeu.12809
收录类别SCI
语种英语
资助项目National Nature Science Foundation of China[41876151] ; National Nature Science Foundation of China[31772431] ; National Nature Science Foundation of China[31672249] ; Nature Science Foundation of Shandong Province[ZR2019QD015]
WOS研究方向Microbiology
WOS类目Microbiology
WOS记录号WOS:000540698500001
出版者WILEY
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/167724
专题海洋生物分类与系统演化实验室
通讯作者Fan, Xinpeng; Li, Lifang
作者单位1.Ocean Univ China, Inst Evolut & Marine Biodivers, Qingdao 266003, Peoples R China
2.Ocean Univ China, Coll Fisheries, Qingdao 266003, Peoples R China
3.East China Normal Univ, Sch Life Sci, Shanghai 200241, Peoples R China
4.Chinese Acad Sci, Inst Oceanol, Dept Marine Organism Taxon & Phylogeny, Qingdao 266071, Peoples R China
5.Shandong Univ, Marine Coll, Weihai 264209, Peoples R China
6.Nat Hist Museum, Dept Life Sci, London SW7 5BD, England
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Dong, Jingyi,Chen, Xumiao,Liu, Yongqiang,et al. An Integrative Investigation ofParabistichella variabilis(Protista, Ciliophora, Hypotrichia) Including Its General Morphology, Ultrastructure, Ontogenesis, and Molecular Phylogeny[J]. JOURNAL OF EUKARYOTIC MICROBIOLOGY,2020:17.
APA Dong, Jingyi.,Chen, Xumiao.,Liu, Yongqiang.,Ni, Bing.,Fan, Xinpeng.,...&Warren, Alan.(2020).An Integrative Investigation ofParabistichella variabilis(Protista, Ciliophora, Hypotrichia) Including Its General Morphology, Ultrastructure, Ontogenesis, and Molecular Phylogeny.JOURNAL OF EUKARYOTIC MICROBIOLOGY,17.
MLA Dong, Jingyi,et al."An Integrative Investigation ofParabistichella variabilis(Protista, Ciliophora, Hypotrichia) Including Its General Morphology, Ultrastructure, Ontogenesis, and Molecular Phylogeny".JOURNAL OF EUKARYOTIC MICROBIOLOGY (2020):17.
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