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      Biodiversity of freshwater ciliates (Protista, Ciliophora) in the Lake Weishan Wetland, China: the state of the art

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          Abstract

          Ciliates are core components of the structure of and function of aquatic microbial food webs. They play an essential role in the energy flow and material circulation within aquatic ecosystems. However, studies on the taxonomy and biodiversity of freshwater ciliates, especially those in wetlands in China are limited. To address this issue, a project to investigate the freshwater ciliates of the Lake Weishan Wetland, Shandong Province, commenced in 2019. Here, we summarize our findings to date on the diversity of ciliates. A total of 187 ciliate species have been found, 94 of which are identified to species-level, 87 to genus-level, and six to family-level. These species show a high morphological diversity and represent five classes, i.e., Heterotrichea, Litostomatea, Prostomatea, Oligohymenophorea, and Spirotrichea. The largest number of species documented are oligohymenophoreans. A comprehensive database of these ciliates, including morphological data, gene sequences, microscope slide specimens and a DNA bank, has been established. In the present study, we provide an annotated checklist of retrieved ciliates as well as information on the sequences of published species. Most of these species are recorded in China for the first time and more than 20% are tentatively identified as new to science. Additionally, an investigation of environmental DNA revealed that the ciliate species diversity in Lake Weishan Wetland is higher than previously supposed.

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          Author and article information

          Journal
          MLST
          Marine Life Science & Technology
          Springer (China )
          2096-6490
          2662-1746
          01 November 2022
          28 November 2022
          : 4
          : 4
          : 429-451
          Affiliations
          [1] 1Institute of Evolution and Marine Biodiversity, Ocean University of China, Qingdao 266003, China
          [2] 2Marine College, Shandong University, Weihai 264209, China
          [3] 3Laoshan Laboratory, Qingdao 266237, China
          [4] 4Zoology Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
          [5] 5Department of Life Sciences, Natural History Museum, London SW7 5BD, UK
          Author notes
          *Corresponding author: Borong Lu, E-mail: boronglu@ 123456126.com
          Article
          s42995-022-00154-x
          10.1007/s42995-022-00154-x
          37078082
          2600d8b7-28f1-470f-a36f-e3865cb1b490
          © 2022 Ocean University of China
          History
          : 15 April 2022
          : 20 October 2022
          Categories
          Research Paper

          Evolutionary Biology,Cell biology,Aquaculture & Fisheries,Ecology,Biotechnology,Life sciences
          Environmental DNA,Protozoa,Species diversity,Taxonomy

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