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The parasitic dinoflagellate Hematodinium perezi infecting mudflat crabs, Helice tientsinensis, in polyculture system in China.
Huang, Qian; Li, Meng; Wang, Fei; Li, Caiwen
2019-09-01
发表期刊Journal of Invertebrate Pathology
ISSN0022-2011
卷号166页码:107229
摘要Since 2012, frequent outbreaks of Hematodinium diseases have significantly impacted sustainable culture of marine crabs Portunus trituberculatus in the coastal areas of Shandong Peninsula. The mechanisms of the Hematodinium parasite epizootics in polyculture pond systems remain to be explored and alternate crustacean hosts are speculated to play important roles in transmission and epizootiology of the disease. To investigate their possible role in transmission, the common wild mudflat crabs Helice tientsinensis were sampled from the waterway connecting to polyculture ponds in Huangdao, Qingdao, China and diagnosed for Hematodinium infection. Hematodinium infection was found in H. tientsinensis collected in the waterway from April-November 2018, with a prevalence of 5.8-31.7%. In addition, 23.1% of H. tientsinensis sampled from the adjacent polyculture pond were infected during the peak of the Hematodinium epizootic in July. Amoeboid trophonts or prespores were observed in the hemolymph of the Hematodinium-infected crabs and histopathological changes were observed in major organs (e.g. hepatopancreas, heart, gill and muscle). The ITS1 rRNA of Hematodinium sp. infecting H. tientsinensis shared 99-100% similarity to isolates infecting P. trituberculatus and Penaeus monodon in local polyculture ponds, and are included in a monophylogenetic Glade, Hematodinium perezi genotype II, in the phylogenetic tree. The results further showed that this generalist parasite was infecting various types of marine crustaceans in the coastal waters of China, and that mudflat crabs H. tientsinensis may serve as an important alternate host during epizootics of Hematodinium parasites in the polyculture system.
收录类别SCI
语种英语
WOS研究方向Parasitology ; Zoology ; Genetics & Heredity ; Evolutionary Biology
WOS类目PARASITOLOGY ; ZOOLOGY ; GENETICS HEREDITY ; EVOLUTIONARY BIOLOGY
WOS记录号WOS:ZOOR15512087000
引用统计
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/164845
专题中国科学院海洋研究所
作者单位Chinese Acad Sci, Inst Oceanol, Qingdao, Shandong, 266071, China
第一作者单位中国科学院海洋研究所
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GB/T 7714
Huang, Qian,Li, Meng,Wang, Fei,et al. The parasitic dinoflagellate Hematodinium perezi infecting mudflat crabs, Helice tientsinensis, in polyculture system in China.[J]. Journal of Invertebrate Pathology,2019,166:107229.
APA Huang, Qian,Li, Meng,Wang, Fei,&Li, Caiwen.(2019).The parasitic dinoflagellate Hematodinium perezi infecting mudflat crabs, Helice tientsinensis, in polyculture system in China..Journal of Invertebrate Pathology,166,107229.
MLA Huang, Qian,et al."The parasitic dinoflagellate Hematodinium perezi infecting mudflat crabs, Helice tientsinensis, in polyculture system in China.".Journal of Invertebrate Pathology 166(2019):107229.
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