An assessment of lesions in bay scallops Argopecten irradians attributed to Perkinsus karlssoni (Protozoa, Apicomplexa)

Autor:	Goggin Cl, S. E. McGladdery, Richard J. Cawthorn, S. K. Whyte
Rok vydání:	1996
Předmět:	biology Argopecten irradians Zoology Aquatic Science Bivalvia biology.organism_classification Fishery Ultrastructure Parasite hosting Protozoa Perkinsus Mollusca Bay Ecology Evolution Behavior and Systematics
Zdroj:	Diseases of Aquatic Organisms. 24:77-80
ISSN:	1616-1580 0177-5103
DOI:	10.3354/dao024077
Popis:	Lesions found in bay scallops Argopecten irradians imported into Atlantic Canada for culture were attributed to a parasite Perkinsus karlssoni. It appears, however, that stages from several organisms were combined to create the life cycle of P. karlssoni. The ultrastructure of the agent in lesions of bay scallops is not documented adequately to diagnose affinities to the genus Perkinsus. Furthermore, there was discrepancy as to whether P karlssoni enlarged in fluid thioglycollate medium, and the shape and structure of the prezoosporangia as well as the movement and life span of the zoospores were not consistent with the genus Perkinsus. P. karlssoni cannot be considered as a species of Perkinsus.
Databáze:	OpenAIRE
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