Morphological and molecular characterization of Aspidisca hongkongensis spec. nov. (Ciliophora,Euplotida) from the South China Sea |
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| Authors: | Zhuo Shen Jie Huang Xiaofeng Lin Zhenzhen Yi Jiqiu Li Weibo Song |
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| Institution: | 1. Laboratory of Protozoology, Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, College of Life Science, South China Normal University, Guangzhou 510631, China;2. Laboratory of Protozoology, KLM, Ocean University of China, Qingdao 266003, China;1. Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao 266003, China;2. School of Ocean, Yantai Academy, China Agricultural University, Yantai 264670, China;3. School of Ocean, Yantai University, Yantai 264005, China;4. Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, China;5. Zoology Department, King Saud University, Riyadh 11451, Saudi Arabia;1. Key Laboratory of Aquatic Biodiversity and Conservation of Chinese Academy of Sciences, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China;2. Laboratory of Protozoology, Institute of Evolution and Marine Biodiversity, Ocean University of China, Qingdao 266003, China;3. Department of Molecular and Cellular Biology, University of Guelph, Guelph, Ontario N1G 2W1, Canada;1. Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystem, College of the Environment and Ecology, Xiamen University, Xiamen 361102, China;2. Department of Life Sciences, Natural History Museum, London SW7 5BD, UK;3. Zoology Department, King Saud University, Riyadh 11451, Saudi Arabia;4. Laboratory of Protozoology, Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao 266003, China;1. College of Life Science, Northwest Normal University, Lanzhou 730070, China;2. Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao 266003, China;3. College of Resources and Environmental Sciences, Gansu Agricultural University, Lanzhou 730070, China;4. Department of Zoology, King Saud University, Riyadh 11451, Saudi Arabia;5. Department of Biology, North Carolina Central University, Durham, 1801 Fayetteville St., NC 27707, USA;1. Key Laboratory of Aquatic Biodiversity and Conservation of Chinese Academy of Sciences, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China;2. Department of Zoology, Faculty of Science, Charles University, Prague 128 43, Czech Republic;3. Institute of Evolution and Marine Biodiversity, Ocean University of China, Qingdao 266003, China |
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| Abstract: | The morphology and infraciliature of a new ciliate, Aspidisca hongkongensis spec. nov., a large marine form isolated from the coastal waters near Hong Kong, were investigated. It differs from the congeners by the combination of cell size (about 90×60 μm in vivo), 9–11 conspicuous dorsal ridges, one fine and seven strong frontoventral cirri, six membranelles in anterior portion of adoral zone, and 17–23 membranelles in posterior portion of adoral zone. The comparison with similar congeners clearly supports the distinction of this new species based on morphological and small subunit (SSU) rRNA gene sequence studies. The SSU rRNA gene sequence similarity within the genus is about 75.3–92.1% which indicates that this is a distinct form. Phylogenetic trees based on SSU rRNA gene information show that A. hongkongensis groups with A. leptaspis. |
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