Revision of Khawia spp. (Cestoda: Caryophyllidea), parasites of cyprinid fish, including a key to their identification and molecular phylogeny

0366006 - BC 2012 RIV CZ eng J - Journal Article
Scholz, Tomáš - Brabec, Jan - Kraľová-Hromadová, I. - Oros, M. - Bazsalovicsová, E. - Ermolenko, A. S. - Hanzelová, V.
Revision of Khawia spp. (Cestoda: Caryophyllidea), parasites of cyprinid fish, including a key to their identification and molecular phylogeny.
Folia Parasitologica. Roč. 58, č. 3 (2011), 197–223. ISSN 0015-5683. E-ISSN 1803-6465
R&D Projects: GA ČR GA524/08/0885; GA MŠMT LC522
Institutional research plan: CEZ:AV0Z60220518
Keywords : tapeworms * freshwater fish * comparative morphology * taxonomy * phylogenetic relationships * dentification * DNA sequences * Holarctic Region
Subject RIV: GJ - Animal Vermins ; Diseases, Veterinary Medicine
Impact factor: 1.812, year: 2011
http://www.paru.cas.cz/folia/pdfs/showpdf.php?pdf=21988

Monozoic cestodes of the genus Khawia Hsü, 1935 (Caryophyllidea: Lytocestidae), parasites of cyprinid fish in Europe, Asia, Africa and North America, are revised on the basis of taxonomic evaluation of extensive materials, including recently collected specimens of most species. This evaluation has made it possible to critically assess the validity of all 17 nominal species of the genus and to provide redescriptions of the following seven species considered to be valid. The molecular analysis of all seven valid species, based on comparison of sequences of two nuclear ribosomal and two mitochondrial genes, has shown that the species form three major groups clustered according to their fish hosts. A phylogenetic tree based on morphological characters was incongruent with that inferred from molecular data, which indicates that some morphological traits may be homoplastic. A key to identification of all species of Khawia based on morphological characteristics is provided.
Permanent Link: http://hdl.handle.net/11104/0201113