Morphology and Phylogeny of Two Novel Ciliates, Arcanisutura chongmingensis n. gen., n. sp and Naxella paralucida n. sp from Shanghai, China

被引：5

作者：

Liao, Wanying ^{[1
]}

Fan, Xinpeng ^{[1
]}

Zhang, Qianqian ^{[2
]}

Xu, Yuan ^{[3
]}

Gu, Fukang ^{[1
]}

机构：

[1] East China Normal Univ, Sch Life Sci, Shanghai 200241, Peoples R China

[2] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China

[3] East China Normal Univ, State Key Lab Estuarine & Coastal Res, Shanghai 200062, Peoples R China

来源：

JOURNAL OF EUKARYOTIC MICROBIOLOGY | 2018年 / 65卷 / 01期

关键词：

Nassophorea; new species; small-subunit rRNA gene; Synhymeniida; taxonomy; NOV GEN; REVISED CLASSIFICATION; CYTOPHARYNGEAL BASKET; MOLECULAR PHYLOGENY; CILIOPHORA; PROTOZOA; NASSULOPSIS; SPEC; INFRACILIATURE; CYRTOPHORIDA;

D O I：

10.1111/jeu.12431

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

The morphologies of two novel ciliates, Arcanisutura chongmingensis n. gen., n. sp. and Naxella paralucida n. sp., collected from Shanghai, China, have been investigated using live observation and silver staining methods. Arcanisutura n. gen. can be easily distinguished from related genera by its inconspicuous, oblique anterior suture. Arcanisutura chongmingensis n. sp. is mainly recognized by its elongated body with a tail-like posterior end, 25-33 somatic kineties, and 4-11 excretory pores. Naxella paralucida n. sp. can be distinguished from its congeners based on its two short nassulid organelles, fusiform trichocysts, 37-49 somatic kineties, and 16 nematodesmal rods. The small-subunit (SSU) rRNA gene sequences of these two species are presented, revealing the phylogenetic positions of Arcanisutura and Naxella. Phylogenetic analyses show that Arcanisutura forms a sister clade to other synhymeniid genera, namely, Chilodontopsis, Orthodonella, and Zosterodasys; Naxella is most closely related to Nassula spp. and is located within the monophyletic clade of the family Nassulidae.

引用

页码：48 / 60

页数：13

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