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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Spermatozoon ultrastructure of gyliauchen sp. (Digenea: Gyliauchenidae), an Intestinal Parasite of Siganus fuscescens (Pisces: Teleostei)
Biological Bulletin, Volume 221, No. 2, Year 2011
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Description
The ultrastructure of the mature spermatozoon of Gyliauchen sp., a parasite of the dusky rabbitfish Siganus fuscescens, was studied by transmission electron microscopy. The spermatozoon possesses two axonemes of the 9+"1" pattern of Trepaxonemata, four attachment zones, one mitochondrion, a nucleus, cortical microtubules, external ornamentation of the plasma membrane, and spine-like bodies. The main characteristics of this spermatozoon are the presence of one mitochondrion, spine-like bodies not associated with the external ornamentation, and a posterior extremity of type 3 that is characterized by the following sequence: posterior extremity of the nucleus then posterior extremity of the second axoneme. Numerous other ultrastructural features are also discussed and compared to the digenean spermatology literature. This is the first study of a member of the Gyliauchenidae and the fourth within the Lepocreadioidea. The results show that many ultrastructural characters are variable within this superfamily and could be useful for phylogeny. © 2011 Marine Biological Laboratory.
Authors & Co-Authors
Quilichini, Yann
France, Corte
Universita Di Corsica Pascal Paoli
Foata, Joséphine
France, Corte
Universita Di Corsica Pascal Paoli
Justine, Jean Lou
France, Paris
Evolution Paris Seine
Bray, Rodney Alan
United Kingdom, London
The Natural History Museum, London
Marchand, Bernard
France, Corte
Universita Di Corsica Pascal Paoli
Statistics
Citations: 47
Authors: 5
Affiliations: 3
Identifiers
Doi:
10.1086/BBLv221n2p197
ISSN:
00063185