Integrative studies on the taxonomy and molecular phylogeny of four new Pleuronema species (Protozoa, Ciliophora, Scuticociliatia)

Mingjian Liu; Yujie Liu; Tengteng Zhang; Borong Lu; Feng Gao; Jing Gu; Saleh A. Al-Farraj; Xiaozhong Hu; Weibo Song

doi:10.1007/s42995-022-00130-5

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Integrative studies on the taxonomy and molecular phylogeny of four new Pleuronema species (Protozoa, Ciliophora, Scuticociliatia)

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Integrative studies on the taxonomy and molecular phylogeny of four new Pleuronema species (Protozoa, Ciliophora, Scuticociliatia)

Mingjian Liu, Yujie Liu, Tengteng Zhang, Borong Lu, Feng Gao, Jing Gu, Saleh A. Al-Farraj, Xiaozhong Hu and Weibo Song

Marine life science & technology, Vol.4(2), pp.179-200

01/05/2022

DOI: https://doi.org/10.1007/s42995-022-00130-5

PMID: 37073218

Abstract

Ciliates

Ciliature

Morphology

New species

Pleuronematids

Research Paper

SSU rRNA gene

The ciliate genus Pleuronema comprises approximately 30 nominal species and has been reported in freshwater, brackish water, and marine habitats. Nevertheless, recent studies have indicated that there might be a large undiscovered species diversity. In the present work, four new Pleuronema species, namely P. foissneri sp. nov., P. parasmalli sp. nov., P. parasalmastra sp. nov., and P. paraorientale sp. nov., collected from Shenzhen, southern China, was investigated using taxonomic methods. The diagnosis, description, comparisons with morphologically related species and detailed morphometric data are supplied for each. The small subunit ribosomal RNA (SSU rRNA) gene of the four new species is sequenced and their molecular phylogeny is analyzed. The SSU rRNA gene tree shows that Pleuronema is polyphyletic comprising several separate clades. All four new species cluster consistently with P. orientale KF206429, P. puytoraci KF840520 and P. setigerum FJ848874 within the core Pleuronematidae + Peniculistomatidae clade. Phylogenies of Pleuronematidae-related taxa are also discussed.

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Title: Integrative studies on the taxonomy and molecular phylogeny of four new Pleuronema species (Protozoa, Ciliophora, Scuticociliatia)
Creators - without role: Mingjian Liu - Ocean University of China
Yujie Liu - Ocean University of China
Tengteng Zhang - Shaanxi Normal University
Borong Lu - Ocean University of China
Feng Gao - Ocean University of China
Jing Gu - Qingdao No. 47 Middle School, Qingdao, 266022 China
Saleh A. Al-Farraj - Riyadh, 11451 Saudi Arabia
Xiaozhong Hu - Ocean University of China
Weibo Song - Ocean University of China
Publication Details: Marine life science & technology, Vol.4(2), pp.179-200
Publisher: Springer Nature Singapore
Identifiers: 9947687908331
Academic Unit: King Saud University
Language: English
Resource Type: Journal article