Hematodinium perezi naturally infects Asian brush-clawed crab (Hemigrapsus takanoi)

© 2022 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Journal of fish diseases. - 1998. - 46(2023), 1 vom: 07. Jan., Seite 67-74
1. Verfasser: Gong, Miao (VerfasserIn)
Weitere Verfasser: Xie, Guosi, Wang, Hailiang, Li, Xinshu, Li, Ang, Wan, Xiaoyuan, Huang, Jingxian, Shi, Chengyin, Zhang, Qingli, Huang, Jie
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Journal of fish diseases
Schlagworte:Journal Article Hematodinium Hemigrapsus takanoi marine crustacean parasitic dinoflagellates transmission
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520 |a The parasitic dinoflagellates of the genus Hematodinium have been considered one of the most important emerging pathogens for a broad range of marine crustaceans around the world. In China, frequent outbreaks of Hematodinium infections have caused serious economic losses for local farmers since 2004. Wild crabs were recently indicated to play a vital role in the transmission and spreading of the Hematodinium disease in polyculture pond systems. Based on PCR amplification and histopathological examination, we demonstrated that H. perezi can naturally infect a wild crab species, Hemigrapsus takanoi, which were collected from the waterways located on the coast of Rizhao or Weifang, Shandong Peninsula, China. According to the sequence similarity analysis and phylogenetic analysis, the Hematodinium isolates were identified as H. perezi and belonged to genotype II. The prevalence of H. perezi ranged from 3.3% to 5.7% in H. takanoi originating from Rizhao (n = 165 wild crabs) and from 0.9% to 20.0% in that originating from Weifang (n = 1386 wild crabs), respectively. To our knowledge, H. takanoi is, for the first time, reported as a new host for Hematodinium. Given the wide distribution of H. takanoi on the coasts along the Shandong Peninsula and the relative high prevalence of infection we monitored in our study, we speculate that H. takanoi contributes to the introducing and spreading parasitic Hematodinium between ponds via waterways in a poly-culturing system. Findings in this study broaden the host range of this parasite and expand the scope of our surveillance for Hematodinium disease in China 
650 4 |a Journal Article 
650 4 |a Hematodinium 
650 4 |a Hemigrapsus takanoi 
650 4 |a marine crustacean 
650 4 |a parasitic dinoflagellates 
650 4 |a transmission 
700 1 |a Xie, Guosi  |e verfasserin  |4 aut 
700 1 |a Wang, Hailiang  |e verfasserin  |4 aut 
700 1 |a Li, Xinshu  |e verfasserin  |4 aut 
700 1 |a Li, Ang  |e verfasserin  |4 aut 
700 1 |a Wan, Xiaoyuan  |e verfasserin  |4 aut 
700 1 |a Huang, Jingxian  |e verfasserin  |4 aut 
700 1 |a Shi, Chengyin  |e verfasserin  |4 aut 
700 1 |a Zhang, Qingli  |e verfasserin  |4 aut 
700 1 |a Huang, Jie  |e verfasserin  |4 aut 
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