Occurrence of Proteocephalus tetrastomus (Rudolphi, 1810) (Cestoda: Proteocephalidea) in larval rainbow smelt (Osmerus mordax) in North America: identification of a potential pathogen confirmed.
A morphological evaluation and genetic analysis (sequencing of ITS2 region of rDNA) of proteocephalidean cestodes from rainbow smelt (Osmerus mordax) in the Saint Lawrence Estuary, Canada, has shown their conspecificity with Proteocephalus tetrastomus, a specific parasite of smelt (Osmeridae), previously known only from northern Europe, Russia, and Japan. The parasite occurs only in larval, but not adult, smelt in the Saint Lawrence Estuary. Prevalence of larval smelt infection was 42% (n = 50), mean intensity 2.1 +/- 2.4 and mean abundance 1.1 +/- 1.0.
Scholz
T
T
Institute of Parasitology, Academy of Sciences of the Czech Republic, Faculty of Biological Sciences, University of South Bohemia, Branisovská 31, Ceské Budejovice, Czech Republic. tscholz@paru.cas.cz
Marcogliese
D J
DJ
Bourque
J F
JF
Skeríková
A
A
Dodson
J J
JJ
D000818:Animals; D001483:Base Sequence; D002589:Cestoda / Q000033:anatomy & histology / Q000145:classification* / Q000235:genetics; D002590:Cestode Infections / Q000453:epidemiology / Q000469:parasitology / Q000662:veterinary*; D018509:DNA, Helminth / Q000737:chemistry; D021903:DNA, Ribosomal Spacer / Q000737:chemistry*; D005393:Fish Diseases / Q000453:epidemiology / Q000469:parasitology*; D007814:Larva / Q000469:parasitology; D008969:Molecular Sequence Data; D036441:Osmeriformes / Q000469:parasitology*; D016133:Polymerase Chain Reaction / Q000662:veterinary; D015995:Prevalence; D011792:Quebec / Q000453:epidemiology; D045483:Rivers
D018509:DNA, Helminth; D021903:DNA, Ribosomal Spacer