a 2019

Diversity of dactylogyrids parasitizing African catfishes (Siluriformes)

FRANCOVÁ, Kateřina, Mária SEIFERTOVÁ and Eva ŘEHULKOVÁ

Basic information

Original name

Diversity of dactylogyrids parasitizing African catfishes (Siluriformes)

Authors

FRANCOVÁ, Kateřina (203 Czech Republic, guarantor, belonging to the institution), Mária SEIFERTOVÁ (703 Slovakia, belonging to the institution) and Eva ŘEHULKOVÁ (203 Czech Republic, belonging to the institution)

Edition

25th Helminthological Days, 2019. 2019

Other information

Language

English

Type of outcome

Konferenční abstrakt

Field of Study

10613 Zoology

Country of publisher

Czech Republic

Confidentiality degree

není předmětem státního či obchodního tajemství

RIV identification code

RIV/00216224:14310/19:00108009

Organization unit

Faculty of Science

ISBN

978-80-7444-066-3

Keywords in English

catfishes; Siluriformes; Africa
Změněno: 13/1/2020 13:30, Mgr. Kateřina Francová, Ph.D.

Abstract

V originále

During a survey of monogeneans parasitizing catfishes, a total of 11 species belonging to six families (Bagridae, Clariidae, Claroteidae, Malapteruridae, Mochokidae and Schilbeidae) were found to be infected with 27 species of dactylogyrids assigned to six genera: Bagrobdella (4 spp.), Protoancylodiscoides (2 spp.), Quadriacanthus (7 spp.), Schilbetrema (10 spp.), Schilbetrematoides (2 spp.), and Synodontella (2 spp.). The results indicate that our investigation covered a majority of dactylogyrid genera (i.e. all except Birgiellus and Paraquadriacanthus) currently known from catfishes in Africa. Furthermore, a DNA-based approach to identification of these parasites (25 species, 6 genera) was applied for the first time. Nine of the monogenean species found were identified as new to science. Quadriacanthus and Schilbetrema represent the most numerous genera accommodating dactylogyrids of African catfishes (Quadriacanthus spp. are known to infect members of Clariidae and Bagridae; Schilbetrema spp. and also Schilbetrematoides spp. are parasites of Schilbeidae). Phylogenetic analyses based on 18S-ITS1 and 28S rDNA sequences depicted six Quadriacanthus species, including those described by us (i.e. Q. fornicatus, Q. mandibulatus, Q. pravus, and Q. zuheiri). The observed interspecific genetic relationships among Quadriacanthus spp. from clariids and Q. bagrae from a bagrid host suggest a possible host-switching event in the evolutionary history of the genus...

Links

GBP505/12/G112, research and development project
Name: ECIP - Evropské centrum ichtyoparazitologie
Investor: Czech Science Foundation