k 2013

Monogenean parasites in two cyprinid species (Parachondrostoma toxostoma and Chondrostoma nasus) in sympatric zones of southern France

CIVÁŇOVÁ, Kristína, Martina DÁVIDOVÁ, Markéta ONDRAČKOVÁ, Andrea VETEŠNÍKOVÁ ŠIMKOVÁ, Lenka GETTOVÁ et. al.

Basic information

Original name

Monogenean parasites in two cyprinid species (Parachondrostoma toxostoma and Chondrostoma nasus) in sympatric zones of southern France

Authors

CIVÁŇOVÁ, Kristína (703 Slovakia, guarantor, belonging to the institution), Martina DÁVIDOVÁ (203 Czech Republic, belonging to the institution), Markéta ONDRAČKOVÁ (203 Czech Republic, belonging to the institution), Andrea VETEŠNÍKOVÁ ŠIMKOVÁ (203 Czech Republic, belonging to the institution), Lenka GETTOVÁ (703 Slovakia, belonging to the institution), Caroline COSTEDOAT (250 France) and André GILLES (250 France)

Edition

7th International Symposium on Monogenea, Rio de Janeiro, Brazil, 2013, 2013

Other information

Language

English

Type of outcome

Prezentace na konferencích

Field of Study

10600 1.6 Biological sciences

Country of publisher

Brazil

Confidentiality degree

není předmětem státního či obchodního tajemství

RIV identification code

RIV/00216224:14310/13:00066999

Organization unit

Faculty of Science

Keywords in English

monogenean parasites-cyprinids-sympatric zones
Změněno: 14/3/2014 15:27, RNDr. Kristína Křížová, Ph.D.

Abstract

V originále

Our study was aimed to investigate the composition of metazoan parasite communities in fish specimens collected from one allopatric population for each species and six localities where both fish species live in sympatry. During four field studies (performed in 2008-2011), fish were examined for all metazoan parasites – ectoparasites (Monogenea, Crustacea, Mollusca, Hirudinea) and endoparasites (Trematoda, Cestoda, Acanthocephala, Nematoda). Molecular identification of fish specimens (pure species vs. hybrids) was performed using cytochrome b gene and 41 microsatellite loci. Moreover, to estimate the potential threat to endemic species linked to the introduction of invasive species, we focused on the structural variability and expression profiles of the functional MHC IIB genes (DAB1 and DAB3) because of their adaptive significance and role in parasite resistance. The variability of the genes, the selection pattern shaping MHC polymorphism and extent to which trans-species evolution and intergeneric hybridization affect MHC polymorphism were investigated. Our results suggest that differences in parasites between two studied species and their hybrids are linked not only to different feeding and habitat conditions but also host-parasite evolutionary associations play an important role in determining the presence of Chondrostoma-specific monogeneans. The frequencies of both pure host species in the localities studied determine the composition of metazoan parasite communities.

Links

GAP505/10/1138, research and development project
Name: Hostitelsko-parazitické interakce v hybridních systémech kaprovitých ryb
Investor: Czech Science Foundation
GBP505/12/G112, research and development project
Name: ECIP - Evropské centrum ichtyoparazitologie
Investor: Czech Science Foundation