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Diseases of Aquatic Organisms
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DAO 89:223-228 (2010)  -  DOI: https://doi.org/10.3354/dao02196

Haplosporidium nelsoni and H. costale in the Pacific oyster Crassostrea gigas from China’s coasts

Zhongwei Wang1,3, Xin Lu2, Yubo Liang3,*, Chunde Wang4

1Environmental Science and Engineering College, Dalian Maritime University, Linghai Road No. 1, Dalian 116026, PR China
2Life Science and Technology College, Dalian Fisheries University, Heishijiao Street No. 52, Dalian116023, PR China
3Marine Environmental and Ecology Department, National Marine Environmental Monitoring Center, Linghe Street No. 42, Dalian 116023, PR China
4Animal Science and Technology College, Qingdao Agricultural University, Changcheng Road No. 700, Qingdao 266109, PR China
*Corresponding author. Email: ()

ABSTRACT: We examined 220 Pacific oysters Crassostrea gigas obtained from 11 locations along China’s coasts for the presence of the 2 protistan parasites Haplosporidium nelsoni (MSX; multinucleated sphere X) and H. costale (SSO; seaside organism). Haplosporidium-like plasmodia were histologically observed in 9 oysters (4.09%) from 7 locations. Five oysters had mixed infections, and 4 oysters were infected only with H. nelsoni as determined by in situ hybridization (ISH) and polymerase chain reaction (PCR). This is the first report of H. nelsoni and H. costale infection in bivalves in Chinese waters.


KEY WORDS: Haplosporidium nelsoni · Haplosporidium costale · Parasites · Crassostrea gigas · Histology · In situ hybridization · Polymerase chain reaction


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Cite this article as: Wang Z, Lu X, Liang Y, Wang C (2010) Haplosporidium nelsoni and H. costale in the Pacific oyster Crassostrea gigas from China’s coasts. Dis Aquat Org 89:223-228. https://doi.org/10.3354/dao02196

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Published in DAO Vol. 89, No. 3. Online publication date: April 09, 2010
Print ISSN: 0177-5103; Online ISSN: 1616-1580
Copyright © 2010 Inter-Research.
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