Gyrodactylus derjavinoides sp.nov. [Monogenea, Platyhelminthes] on Salmo trutta trutta L. and G.derjavini Mikailov, 1975 on S.t. caspius Kessler, two different species of Gyrodactylus - combined morphological and molecular investigations

• Autorzy: Malmberg G , Collins C.M. , Cunningham C.O. , Jalali B.J.
• Języki publikacji: EN

Abstrakty

EN

The paper deals with two morphologically similar but molecularly clearly different species of Gyrodactylus: G. derjavinoides sp. nov. on Salmo trutta trutta L. in Western Europe and G. derjavini Mikailov. 1975 collected on Salmo trutta caspius Kessler in Iran. The new species is described and its opisthaptoral hard parts compared to those of G. derjavini. Our molecular analysis of G. derjavinoides and G. derjavini confirmed that the morphological differences between them are species differences and not intraspecific variations. Phylogenetic analysis using the ITS rDNA region placed both species within the subgenus G. (Limnonephrotus) and within the G. wageneri-group, quite in accordance with morphological results. The two species, however, did not cluster as sister taxa. The correspondence between molecular-based clades within G. (Limnonephrotus) and the morphological shapes of marginal hooks within these clades are discussed. The importance of combined molecular and morphological analyses when describing or redescribing Gyrodactylus species is stressed.

Słowa kluczowe

EN

fish; Gyrodactylus derjavinoides; Monogenea; molecular investigation; morphology; Salmo trutta trutta; Salmotrutta caspius; Europe; Gyrodactylidae; Gyrodactylus derjavini; Platyhelminthes; Iran

• Wydawca: -
• Czasopismo: Acta Parasitologica
• Rocznik: 2007
• Tom: 52
• Numer: 2
• Opis fizyczny: p.89-103,fig.,ref.

Twórcy

autor

Malmberg G

• Stockholm University, S-106 91 Stockholm, Sweden

autor

Collins C.M.

autor

Cunningham C.O.

autor

Jalali B.J.

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