Urosporidium sp. hyperparasite of the turbellarian Paravortex cardii in the cockle Cerastoderma edule |
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Authors: | Carballal María J Díaz Seila Villalba Antonio |
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Institution: | Centro de Investigacións Mari?as, P.O. Box 13, 36620 Vilanova de Arousa, Pontevedra, Spain. maria.carballal@cimacoron.org |
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Abstract: | Cysts with spores showing different degree of maturity and a single plasmodium were observed in the connective tissue of the turbellarian Paravortex cardii located in the digestive lumen of the cockle Cerastoderma edule. The study of spore morphology by transmission electron microscopy revealed that they correspond to an haplosporidian belonging to the genus Urosporidium. Spore ornaments were similar to those described from Urosporidium spisuli, infecting a nematode parasite of the Atlantic surf clam, Spisula solidissima. |
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Keywords: | Urosporidium Haplosporidian Hyperparasite Turbellarian Paravortex cardii Cockle Cerastoderma edule |
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