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题名: Intestinal disease of scattered mirror carp Cyprinus carpio caused by Thelohanellus kitauei and notes on the morphology and phylogeny of the myxosporean from Sichuan Province, southwest China
作者: Ye Lingtong1, 2; Lu Mingmiao3, 4; Quan Keyan5; Li Wenxiang3, 4; Zou Hong3, 4; Wu Shangong3, 4; Wang Jiangyong1, 2; Wang Guitang3, 4
关键词: intestinal disease ; scattered mirror carp ; Thelohanellus kitauei ; host-specific tropism ; morphology ; phylogeny
刊名: CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
发表日期: 2017-05-01
DOI: 10.1007/s00343-017-5312-5
卷: 35, 期:3, 页:587-596
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine ; Physical Sciences
类目[WOS]: Limnology ; Oceanography
研究领域[WOS]: Marine & Freshwater Biology ; Oceanography
英文摘要: The mass mortality of pond-reared scattered mirror carp, Cyprinus carpio, caused by Thelohanellus kitauei, occurred at fish farms in Sichuan Province, southwest China. Morphological and molecular analyses were supplemented with histological evaluation of infected tissues to better understand the route of infection and the pathological effects of T. kitauei on the fish host. The intestine of the diseased host was full of large cysts of the myxosporean. The cysts range from 2 cm to 3.6 cm in diameter. Histopathology indicated that T. kitauei first invaded the submucosa of the host intestine and then moved into the mucosa layers with the development of their spores, finally entering into the enteric cavity of the hosts after the disruption of mucosa layers. The pyriform spores of T. kitauei were surrounded by the transparent spore sheath, measuring 25.98 mu m +/- 0.95 mu m in body length, 8.72 mu m +/- 0.51 mu m in body width, and 7.86 mu m +/- 0.26 mu m in body thickness. The single polar capsule was pyriform, measuring 14.73 mu m +/- 0.92 mu m in length and 6.82 mu m +/- 0.45 mu m in width, with eight to 10 turns of filament coils winding inside. Phylogenetic analysis based on the 18S small-subunit ribosomal DNA sequences indicated that minimal genetic differences were present between T. kitauei samples from South Korea and from China. Close affinity was found between the genus Thelohanellus and Myxobolus. Additionally, two polar capsule nuclei were found at the anterior end of the single polar capsule in spores of T. kitauei stained with hematoxylin and eosin, which suggested the separation of the genus Thelohanellus from Myxobolus.
关键词[WOS]: AURATUS-GIBELIO BLOCH ; TURBOT SCOPHTHALMUS-MAXIMUS ; N. SP MYXOSPOREA ; RDNA SEQUENCES ; MYXOBOLUS-AMPULLICAPSULATUS ; MYXOZOA ; PARASITE ; SEA ; TRANSMISSION ; BIVALVULIDA
语种: 英语
项目资助者: earmarked fund for China Agriculture Research System(CARS-46-08) ; National Science Foundation for Young Scientists of China(31301863) ; Major Scientific and Technological Innovation Project of Hubei Province(2015ABA045)
WOS记录号: WOS:000399168400013
ISSN号: 0254-4059
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/29214
Appears in Collections:鱼类生物学及渔业生物技术研究中心_期刊论文

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作者单位: 1.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Key Lab Fishery Ecol & Environm, Guangzhou 510300, Guangdong, Peoples R China
2.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Minist Agr, Key Lab South China Sea Fishery Resources Exploi, Guangzhou 510300, Guangdong, Peoples R China
3.Chinese Acad Sci, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Peoples R China
4.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
5.Sichuan Fisheries Sch, Chengdu 611730, Peoples R China
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