Emerging infectious disease in sea stars: castrating ciliate parasites in Patiria miniata
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| Authors: | Sunday, J; Raeburn, L; Hart, MW |
| Year: | 2008 |
| Journal: | Diseases of Aquatic Organisms 81: 173-176 Article Link (DOI) |
| Title: | Emerging infectious disease in sea stars: castrating ciliate parasites in Patiria miniata |
| Abstract: | Orchitophrya stellarum is a holotrich ciliate that facultatively parasitizes and castrates male asteriid sea stars. We discovered a morphologically similar ciliate in testes of an asterinid sea star, the northeastern Pacific bat star Patiria miniata (Brandt, 1835). This parasite may represent a threat to Canadian populations of this iconic sea star. Confirmation that the parasite is O. stellarum would indicate a considerable host range expansion, and suggest that O. stellarum is a generalist sea star pathogen. |
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