Morphology and Phylogeny of Four Marine Scuticociliates (Protista, Ciliophora), with Descriptions of Two New Species: Pleuronema elegans spec. nov. and Uronema orientalis spec. nov.
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RIS BIB ENDNOTEMorphology and Phylogeny of Four Marine Scuticociliates (Protista, Ciliophora), with Descriptions of Two New Species: Pleuronema elegans spec. nov. and Uronema orientalis spec. nov.
Publication date: 31.10.2014
Acta Protozoologica, 2015, Volume 54, Issue 1, pp. 31 - 43
https://doi.org/10.4467/16890027AP.15.003.2190Authors
Morphology and Phylogeny of Four Marine Scuticociliates (Protista, Ciliophora), with Descriptions of Two New Species: Pleuronema elegans spec. nov. and Uronema orientalis spec. nov.
The morphology and infraciliature of four marine scuticociliates, Pleuronema elegans spec. nov., P. setigerum Calkins, 1902, P. grolierei Wang et al., 2008 and Uronema orientalis spec. nov., collected from China seas, were investigated through live observation and protargol staining methods. Pleuronema elegans spec. nov. can be recognized by the combination of the following characters: size in vivo 90–115 × 45–60 µm, slender oval in outline with a distinctly pointed posterior end; about 10 prolonged caudal cilia; consistently two preoral kineties and 18 or 19 somatic kineties; membranelle 2a double-rowed with its posterior end straight; membranelle 3 three-rowed; one macronucleus; marine habitat.Uronema orientalis spec. nov. is distinguished by the following features: in vivo about 40–55 × 20–30 μm with a truncated apical plate; consistently twenty somatic kineties; membranelle 1 single-rowed and divided into two parts which comprise four and three basal bodies respectively; contractile vacuole pore positioned at the end of the second somatic kinety; marine habitat. We also provide improved diagnoses for P. grolierei Wang et al., 2008 and P. setigerum Calkins, 1902 based on current and previous reports. The small subunit rRNA gene of U. orientalis, P. elegans, P. grolierei and P. puytoraci were sequenced. Phylogenetic analyses indicate that Uronema and Pleuronema are not monophyletic.
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Information: Acta Protozoologica, 2015, Volume 54, Issue 1, pp. 31 - 43
Article type: Original article
The Key Laboratory of Biomedical Information Engineering, Ministry of Education, Department of Biology and Engineering, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an, China
Laboratory of Protozoology, KLM, Ocean University of China, Qingdao, China
Savaid Medical School, University of Chinese Academy of Sciences, Beijing, 100049, China
Zoology Department, King Saud University, Riyadh, Saudi Arabia
Laboratory of Protozoology, Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao, China; Department of Zoology, Natural History Museum, Cromwell Road, London, UK
Laboratory of Protozoology, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, South China Normal University, Guangzhou, China; Laboratory of Protozoology, Institute of Evolution and Marine Biodiversity, Ocean University of China, Qingdao, China;
Laboratory of Protozoology, Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao, China; Department of Zoology, Natural History Museum, Cromwell Road, London, UK
Published at: 31.10.2014
Received at: 02.12.2013
Accepted at: 26.03.2014
Article status: Open
Licence: None
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English