Bonamia parasites: a rapidly changing perspective on a genus of important mollusc pathogens

Organisms of the genus Bonamia are intracellular protistan parasites of oysters. To date, 4 species have been described (B. ostreae, B. exitiosa, B. perspora and B. roughleyi), although the status of B. roughleyi is controversial. Introduction especially of B. ostreae and B. exitiosa to naive host p...

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Bibliographic Details
Published in:Diseases of Aquatic Organisms
Main Authors: Engelsma, MY, Culloty, SC, Lynch, SA, Arzul, I, Carnegie, RB
Format: Text
Language:unknown
Published: W&M ScholarWorks 2014
Subjects:
Oyster Ostrea-Edulis
European Flat Oyster
Crassostrea-Gigas Mollusca
N. Sp Haplosporidia
New-Zealand
Tiostrea-Chilensis
Protozoan Parasite
Mikrocytos-Roughleyi
Pacific Oyster
Pcr Assay
Aquatic Health Sciences Peer-Reviewed Articles
Aquaculture and Fisheries
Pacific
New Zealand
Crassostrea gigas
Pacific oyster
Online Access:https://scholarworks.wm.edu/vimsarticles/866
https://scholarworks.wm.edu/context/vimsarticles/article/1866/viewcontent/d110p005.pdf
Description
Summary:Organisms of the genus Bonamia are intracellular protistan parasites of oysters. To date, 4 species have been described (B. ostreae, B. exitiosa, B. perspora and B. roughleyi), although the status of B. roughleyi is controversial. Introduction especially of B. ostreae and B. exitiosa to naive host populations has been shown to cause mass mortalities in the past and has had a dramatic impact on oyster production. Both B. ostreae and B. exitiosa are pathogens notifiable to the World Organisation for Animal Health (OIE) and the European Union. Effective management of the disease caused by these pathogens is complicated by the extensive nature of the oyster production process and limited options for disease control of the cultured stocks in open water. This review focuses on the recent advances in research on genetic relationships between Bonamia isolates, geographical distribution, susceptible host species, diagnostics, epizootiology, host-parasite interactions, and disease resistance and control of this globally important genus of oyster pathogens.

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