Redescriptions of three tintinnine ciliates (Ciliophora: Tintinnina) from coastal waters in China based on lorica features,cell morphology,and rDNA sequence data |
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| Affiliation: | 1. Institute of Evolution and Marine Biodiversity & Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, China;2. Key Laboratory of Tropical Marine Bio-Resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Science, Guangzhou 510301, China;3. Department of Life Sciences, Natural History Museum, London SW7 5BD, United Kingdom;4. College of Life Sciences, Capital Normal University, Beijing 100048, China;1. Institute of Evolution and Marine Biodiversity & Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, China;2. Key Laboratory of Tropical Marine Bio-Resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Science, Guangzhou 510301, China;3. Department of Life Sciences, Natural History Museum, London SW7 5BD, United Kingdom;4. College of Life Sciences, Capital Normal University, Beijing 100048, China;1. Department of Biological and Environmental Sciences, Troy University, Troy, AL 36082, USA;2. College of Marine Science, University of South Florida, St. Petersburg, FL 33701, USA;1. Institute of Evolution and Marine Biodiversity, Ocean University of China, Qingdao 266003, China;2. State Key Laboratory of Marine Environmental Science, Institute of Marine Microbes and Ecospheres, College of Ocean and Earth Sciences, Xiamen University, Xiamen 361102, China;3. Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China;4. Key Laboratory of Tropical Marine Bio-resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Science, Guangzhou 510301, China;5. Department of Life Sciences, Natural History Museum, Cromwell Road, London SW7 5BD, UK;6. Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266003, China;1. División Invertebrados, Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”, Buenos Aires, Argentina;2. Laboratório de Protistologia, Instituto de Biologia, Departamento de Zoologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil;3. Laboratório de Biologia Molecular “Francisco Mauro Salzano”, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, PA, Brazil;4. Instituto de Limnología “Dr. R. A. Ringuelet”, La Plata, Buenos Aires, Argentina |
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| Abstract: | Three species of tintinnines, namely Tintinnopsis tentaculata Nie and Cheng, 1947, Tintinnopsis orientalis Kofoid and Campbell, 1929, and Eutintinnus lususundae (Entz, 1885) Kofoid and Campbell, 1939, were isolated from coastal waters of China. The morphology of each was investigated based on observations of live and protargol-stained specimens, and their SSU rDNA- and LSU rDNA-based phylogenetic relationships were analyzed. The ciliary patterns of these species are revealed for the first time. Based on the original descriptions and data from the present study, an improved diagnosis is given for each species. Unlike its congeners, the second dorsal kinety of Eutintinnus lususundae is displaced below the left ciliary field, which may suggest that the second dorsal kinety is evolving into a posterior kinety by a migration process. The ventral kinety in Eutintinnus is redefined. A neotype is fixed for T. tentaculata to stabilize the species name objectively, mainly because of the unavailability of type material. |
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| Keywords: | Ciliary pattern Lorica Phylogeny Ribosomal gene Tintinnines |
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