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

IF 5.8 2区生物学 Q1 MARINE & FRESHWATER BIOLOGY Marine Life Science & Technology Pub Date : 2022-05-01 DOI:10.1007/s42995-022-00130-5

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

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引用次数: 13

Abstract

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.

Supplementary information: The online version contains supplementary material available at 10.1007/s42995-022-00130-5.

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四种胸膜虫新种(原生动物、纤毛虫、鳞片虫)的分类和分子系统发育的综合研究。

纤毛虫属Pleuronema包括大约30个名义种，在淡水、微咸水和海洋栖息地都有报道。然而，最近的研究表明，可能存在大量未被发现的物种多样性。本文对采自中国南方深圳的4个胸膜属新种P. foissneri sp. nov、P. parasmalli sp. nov、P. parasalmasta sp. nov和P. paraorientale sp. nov进行了分类研究。诊断，描述，比较与形态学相关的物种和详细的形态计量数据提供了每一个。对4个新种的小亚单位核糖体RNA (SSU rRNA)基因进行了测序，并对其分子系统发育进行了分析。SSU rRNA基因树显示胸膜菌具有多系性，包括几个独立的分支。这4个新种均与胸膜虫科+青霉虫科核心分支中的东方P. KF206429、puytoraci P. KF840520和P. setigerum FJ848874聚类一致。并讨论了胸膜科相关类群的系统发育。补充信息:在线版本包含补充资料，下载地址:10.1007/s42995-022-00130-5。

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来源期刊

Marine Life Science & Technology MARINE & FRESHWATER BIOLOGY-

CiteScore

9.60

自引率

10.50%

发文量

期刊介绍： Marine Life Science & Technology (MLST), established in 2019, is dedicated to publishing original research papers that unveil new discoveries and theories spanning a wide spectrum of life sciences and technologies. This includes fundamental biology, fisheries science and technology, medicinal bioresources, food science, biotechnology, ecology, and environmental biology, with a particular focus on marine habitats. The journal is committed to nurturing synergistic interactions among these diverse disciplines, striving to advance multidisciplinary approaches within the scientific field. It caters to a readership comprising biological scientists, aquaculture researchers, marine technologists, biological oceanographers, and ecologists.