Folia Parasitologica, vol. 56 (2009), issue 2

Folia Parasitologica 56[2] 91-98 (2009) | 10.14411/fp.2009.014

Kudoa inornata sp. n. (Myxosporea: Multivalvulida) from the skeletal muscles of Cynoscion nebulosus (Teleostei: Sciaenidae)

Iva Dyková1, Isaurede Buron2, Ivan Fiala1, William A. Roumillat3
1 Institute of Parasitology, Biology Centre of the Academy of Sciences of the Czech Republic, Branišovská 31, 370 05 České Budějovice, Czech Republic
2 Department of Biology, College of Charleston, 58 Coming St., Charleston, South Carolina 29401, USA
3 Marine Resources Division, Inshore Fisheries Section, South Carolina Department of Natural Resources, 217 Ft. Johnson Road, Charleston, South Carolina 29412, USA

A new myxosporean species, Kudoa inornata sp. n. (Myxosporea: Multivalvulida), is described from skeletal muscles of the spotted seatrout Cynoscion nebulosus (Cuvier), collected in estuarine waters along the coast of South Carolina, USA. Light microscopic and ultrastructural characters rank this species to the group of Kudoa species with simple-shaped spores. The uniqueness of the SSU and LSU rDNA sequences justifies its status of a new species with sister relationship to Kudoa paniformis. The 100% prevalence in seatrout from four out of five localities sampled and pathogenicity of K. inornata recognized in this study should motivate further screening for infections in its host, which is considered a commercially important game fish with a wide distribution in the Western North Atlantic.

Keywords: Myxozoa, Myxosporea, Kudoa inornata, muscle infections, Cynoscion nebulosus

Received: March 2, 2009; Accepted: April 30, 2009; Published: June 1, 2009


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