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Molecular markers for gyrodactylids (Gyrodactylidae: Monogenea) from five fish families (Teleostei).
Cryptosporidia: epicellular parasites embraced by the host cell membrane.
Molecular phylogenetic analysis of the genus Gyrodactylus (Platyhelminthes: Monogenea) inferred from rDNA ITS region: subgenera versus species groups
- I. Matějusová, M. Gelnar, O. Verneau, C. O. Cunningham, D. Littlewood
- 1 December 2003
Characteristics of the excretory system of Gyrodactylus do not seem to be conservative enough to reveal subgenera within GyrodACTylus and it is suggested abandoning existing sub genera as indicators of phylogeny.
Morphology and coexistence of congeneric ectoparasite species: reinforcement of reproductive isolation?
The results support the prediction that the function of niche segregation is to achieve reproductive isolation of related species in order to prevent hybridization and suggest small effects of interspecific competition for the evolution of morphological diversity of attachment organs.
Evolution and trans-species polymorphism of MHC class IIbeta genes in cyprinid fish.
Metazoan parasites of Neogobius fishes in the Slovak section of the River Danube
Metazoan parasites were investigated in three non-native fishes collected from the former and current main channel of the River Danube and from the River Hron, Slovakia in November 2003, finding all parasite species found are common parasites in the Middle Danube basin.
MOLECULAR PHYLOGENY OF CONGENERIC MONOGENEAN PARASITES (DACTYLOGYRUS): A CASE OF INTRAHOST SPECIATION
The present study shows that the congeneric parasites speciating within one host tend to occupy niches within hosts differing at least in one niche parameter, which can be mainly explained by sympatric intrahost speciation events that seem to be correlated to strict host specificity.
Co-existence of nine gill ectoparasites (Dactylogyrus: monogenea) parasitising the roach (Rutilus rutilus l.): history and present ecology.
SPECIFICITY AND SPECIALIZATION OF CONGENERIC MONOGENEANS PARASITIZING CYPRINID FISH
- A. Šimková, O. Verneau, M. Gelnar, S. Morand
- Biology, Environmental ScienceEvolution; international journal of organic…
- 1 May 2006
The mapping of host specificity into the phylogenetic tree suggests that being specialist is not a derived condition for Dactylogyrus species and reveals that morphological evolution of the attachment organ is connected with host specificity in the context of fish relatedness, especially at the level of host subfamilies.
The interaction between an introduced fish host and local parasite fauna: Neogobius kessleri in the middle Danube River
- M. Ondračková, M. Dávidová, R. Blažek, M. Gelnar, P. Jurajda
- Biology, Environmental ScienceParasitology Research
- 14 March 2009
The importance of gobies as suitable hosts for local non-native parasite species (Anguillicoloides crassus, Anodonta woodina, Hydrozetes lacustris) is discussed and the role of introduced N. kessleri was used as intermediate host for most of the recorded parasites.