Serological affinities of the oyster pathogen Perkinsus marinus (Apicomplexa) with some dinoflagellates (Dinophyceae)

The Journal of Eukaryotic Microbiology
David BushekAlan J Lewitus

Abstract

The protozoan oyster pathogen Perkinsus marinus is classified in the phylum Apicomplexa, although molecular-genetic and ultrastructural evidence increasingly concur on its closer phylogenetic relationship with the dinoflagellates. To test for evidence of serological epitopes common to P. marinus and dinoflagellates, we probed 19 free-living and 8 parasitic dinoflagellate, or dinoflagellate-like, species for cross-reactivity with polyclonal antibodies to P. marinus. Three of 19 free-living dinoflagellates (16%), and 7 of 8 parasitic dinoflagellates (88%) were labeled by anti-P. marinus antibodies. In reciprocal immunoassays using polyclonal antibodies to the Hematodinium sp. dinoflagellate parasite of Norway lobsters, Nephrops norvegicus, P. marinus and the same 7 parasitic dinoflagellates labeled by anti-P. marinus antibodies, were again labeled. The dinoflagellate-like parasite of prawns Pandalus platyceros was not labeled by either antibody reagent. These reciprocal results confirm the presence of shared antibody-binding epitopes on cells of P. marinus and several dinoflagellates. The apparent widespread serological affinity between P. marinus and the parasitic dinoflagellates suggests a closer phylogenetic link to the syndin...Continue Reading

References

Jul 1, 1993·Molecular and Biochemical Parasitology·C L Goggin, S C Barker
Nov 11, 1998·Biological Reviews of the Cambridge Philosophical Society·T Cavalier-Smith
Aug 3, 2002·Diseases of Aquatic Organisms·Christopher F DunganKimberly S Reece

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Citations

Mar 31, 2004·Molecular and Cellular Probes·Laurence M ElandalloussiM Leonor Cancela
Nov 6, 2004·Applied and Environmental Microbiology·Corinne AudemardEugene M Burreson
Jan 11, 2011·Journal of Invertebrate Pathology·Grant D Stentiford, Douglas M Neil
Feb 16, 2005·International Journal for Parasitology·Christopher G EarnhartStephen L Kaattari
Feb 25, 2014·International Journal for Parasitology·Emmanuelle Pales EspinosaBassem Allam
Nov 5, 2021·Diseases of Aquatic Organisms·Eliot HanrioCécile Dang

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Methods Mentioned

BETA
light microscopy

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