Journal
FOLIA PARASITOLOGICA
Volume 58, Issue 3, Pages 169-177Publisher
FOLIA PARASITOLOGICA
DOI: 10.14411/fp.2011.017
Keywords
Henneguya cynoscioni; Myxosporea; pathogenicity; cardiac henneguyosis; Cynoscion nebulosus; Cardicola laruei; Atlantic Ocean
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Funding
- Department of Biology at the College of Charleston
- J. William Fulbright Foreign Scholarship Board
- Institute of Parasitology, Biology Centre of the Academy of Sciences of the Czech Republic [Z60220518, LC522]
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A new myxosporean species, Henneguya cynoscioni sp. n., is described from the spotted seatrout, Cynoscion nebulosus (Cuvier) (Sciaenidae) as a causative agent of cardiac henneguyosis. This new myxosporean species is characterized by the morphology of spores and the sequence of SSU rDNA. Examination of 227 spotted seatrout from four South Carolina estuaries in 2008-2010 revealed a 33.5% total prevalence of H. cynoscioni. Henneguya cynoscioni produces lesions in the bulbus arteriosus, its specific site of infection. The severity of lesions and their impact on the bulbus arteriosus is proportional to the number of plasmodial stages developing in this segment of the heart, being most pronounced in host reaction directed against spores liberated from plasmodia.
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