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@proceedings{970268,
author = {Barson, Maxwell and Přikrylová, Iva and Vanhove, Maarten and Huyse, Tine},
booktitle = {18th Helminthologicla Days},
keywords = {Macrogyrodactylus; Kenya; Senegal; Zimbabwe; ITS; cox1},
language = {eng},
isbn = {978-80-210-5244-4},
title = {Parasite hybridization in African Macrogyrodactylus spp. (Monogenea:Gyrodactylidae) signal historical host distribution},
year = {2010}
}
TY - CONF
ID - 970268
AU - Barson, Maxwell - Přikrylová, Iva - Vanhove, Maarten - Huyse, Tine
PY - 2010
TI - Parasite hybridization in African Macrogyrodactylus spp. (Monogenea:Gyrodactylidae) signal historical host distribution
SN - 9788021052444
KW - Macrogyrodactylus
KW - Kenya
KW - Senegal
KW - Zimbabwe
KW - ITS
KW - cox1
N2 - Macrogyrodactylus spp. from the gills of Clarias gariepinus in Zimbabwe and Kenya, and C. anguillaris in Senegal were identified using haptoral sclerite morphology and by sequencing the nuclear ribosomal DNA internal transcribed spacers (ITS) 1 and 2, partial 18S and the complete 5.8S rRNA gene. A molecular phylogeny was constructed using all sequenced Macrogyrodactylus species to date. Based on morphology, Macrogyrodactylus congolensis, M. heterobranchii, M. clarii, and M. karibae were identified, with one specimen from Zimbabwe displaying morphological features that were intermediate between M. heterobranchii and M. clarii. In the intermediate form, the partial 18S and ITS1 sequence was identical to that of M. heterobranchii while the remaining ITS1 and complete ITS2 region was almost identical to M. clarii as was the partial cox1 fragment, thus strongly suggesting a hybrid origin. At present, M. heterobranchii and M. clarii do not co-occur in southern Zimbabwe since the distribution range of their respective host species do not overlap. This hybridization event is therefore proof of historical sympatry of both fish species.
ER -
BARSON, Maxwell, Iva PŘIKRYLOVÁ, Maarten VANHOVE a Tine HUYSE. Parasite hybridization in African Macrogyrodactylus spp. (Monogenea:Gyrodactylidae) signal historical host distribution. In \textit{18th Helminthologicla Days}. 2010. ISBN~978-80-210-5244-4.
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