University of Khartoum

Cytotaxonomic and Molecular Analysis of Simulium (Edwardsellum) Damnosum Sensu lato (Diptera: Simuliidae) from Abu Hamed, Sudan

Cytotaxonomic and Molecular Analysis of Simulium (Edwardsellum) Damnosum Sensu lato (Diptera: Simuliidae) from Abu Hamed, Sudan

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Title: Cytotaxonomic and Molecular Analysis of Simulium (Edwardsellum) Damnosum Sensu lato (Diptera: Simuliidae) from Abu Hamed, Sudan
Author: HIGAZI, TARIG B.; BOAKYE, DANIEL A.; WILSON, MICHAEL D.; Mahmoud, Babiker M.; BARAKA, OMER Z.; Mukhtar, Moawia M.; UNNASCH, THOMAS R.
Abstract: The northernmost focus for Onchocerca volvulus Leuckhart (Nematoda: Onchocercidae), the causative agent of human onchocerciasis, is found along the Nile near the town of Abu Hamed in Sudan. The vector for O. volvulus at this focus is a single monomorphic population of Simulium (Edwardsellum) damnosum Theobald. This black ßy population is limited to a small area between the fourth and Þfth cataracts of the Nile River that is isolated geographically from all other populations of S. damnosum sensu lato. Phylogenies produced from cytological analyses and sequence data derived from the NADH dehydrogenase subunit 4 and 16S rRNA genes indicate that Abu Hamed black ßies are similar to, but distinct from, the savanna-dwelling sibling species of S. damnosum s.l., Simulium (Edwardsellum) damnosum sensu strictu Theobald, and S. (Edwardsellum) sirbanum Vajime&Dunbar. TheDNAsequence and the cytological data support the hypothesis that the black ßy population present in Abu Hamed may represent a new sibling species of S. damnosum s.l.Wepropose that this
URI: http://khartoumspace.uofk.edu/123456789/17238
Date: 2015-11-19


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