Redescription, systematic status and molecular characterisation of Multicaecum heterotis Petter, Vassiliadès et Marchand, 1979 (Nematoda: Heterocheilidae), an intestinal parasite of Heterotis niloticus (Osteichthyes: Arapaimidae) in Africa

0351901 - BC 2011 RIV CZ eng J - Journal Article
Mašová, Š. - Moravec, František - Baruš, V. - Seifertová, M.
Redescription, systematic status and molecular characterisation of Multicaecum heterotis Petter, Vassiliadès et Marchand, 1979 (Nematoda: Heterocheilidae), an intestinal parasite of Heterotis niloticus (Osteichthyes: Arapaimidae) in Africa.
Folia Parasitologica. Roč. 57, č. 4 (2010), s. 280-288. ISSN 0015-5683. E-ISSN 1803-6465
R&D Projects: GA MŠMT LC522
Grant - others:GA ČR(CZ) GD526/09/H025
Institutional research plan: CEZ:AV0Z60220518
Keywords : Nematoda * Brevimulticaecum * Multicaecum * Senegal * Sudan * Africa * Heterotis * barcoding * 18S rDNA sequences * ITS2 sequences
Subject RIV: GJ - Animal Vermins ; Diseases, Veterinary Medicine
Impact factor: 1.533, year: 2010

Ascaridoid nematodes referable to Brevimulticaecum heterotis (Petter, Vassiliadès et Marchand, 1979) Khalil, 1984 were recorded from the intestine of the African bonytongue, Heterotis niloticus (Cuvier) (Arapaimidae, Osteoglossiformes), from the Mare Simenti in the Niokolo Koba National Park, East Senegal and from the Kosti, Sudan. Their examination by light microscopy and for the first time used environmental scanning electron microscopy and scanning electron microscopy revealed some previously unreported morphological features and made possible a detailed redescription of this species. The most important finding is the presence of dentigerous ridges on the inner edges of lips, which confirms belonging of this species to the genus Multicaecum Baylis, 1923, where it was originally placed but later transferred to Brevimulticaecum. A key to Brevimulticaecum and Multicaecum is provided. Multicaecum heterotis, as the first species of the genus, has been sequenced.
Permanent Link: http://hdl.handle.net/11104/0191539