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Bonamia parasites: a rapidly changing perspective on a genus of important mollusc pathogens ArchiMer
Engelsma, Marc; Culloty, Sarah C.; Lynch, Sharon A.; Arzul, Isabelle; Carnegie, Ryan B..
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), al though the status of B. roughleyi is controversial. Introduction especially of B. ostreae and B. exitiosa to naïve 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...
Tipo: Text Palavras-chave: Bonamia ostreae; Bonamia exitiosa; Oyster disease; Phylogenetics; Geographical spread; Diagnostics; Epizootiology; Host-parasite interaction; Bonamiosis.
Ano: 2014 URL: https://archimer.ifremer.fr/doc/00200/31169/29568.pdf
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New Perspective On The Haplosporidian Parasites Of Molluscs ArchiMer
Arzul, Isabelle; Carnegie, Ryan B..
The protist phylum Haplosporidia comprises over 40 described species with representatives infecting a range of mollusc hosts, including several ecologically and economically significant pathogens. Continuing exploration of haplosporidian diversity has added ten new species in recent years and brought the phylogenetics of the group into somewhat clearer focus, with monophyletic Bonamia and Minchinia lineages continuing to be supported. However, the addition of new sequences to phylogenetic analyses has left the paraphyletic genus Haplosporidium’s picture less resolved. It is not clear that even two genera will be enough to accommodate the species presently drawn to the Haplosporidium regions of the haplosporidian tree. In this review, we summarize recent...
Tipo: Text Palavras-chave: Haplosporidium; Bonamia; Minchinia; MSX disease; Haplosporidiosis; Bonamiosis.
Ano: 2015 URL: http://archimer.ifremer.fr/doc/00275/38619/37149.pdf
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