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University of Nebraska - Lincoln

Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications

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2006

Biogeography

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Post-Miocene Expansion, Colonization, And Host Switching Drove Speciation Among Extant Nematodes Of The Archaic Genus Trichinella, D. S. Zarlenga, B. M. Rosenthal, G. Larosa, E. Pozio, Eric P. Hoberg May 2006

Post-Miocene Expansion, Colonization, And Host Switching Drove Speciation Among Extant Nematodes Of The Archaic Genus Trichinella, D. S. Zarlenga, B. M. Rosenthal, G. Larosa, E. Pozio, Eric P. Hoberg

Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications

Parasitic nematodes of the genus Trichinella cause significant food-borne illness and occupy a unique evolutionary position at the base of the phylum Nematoda, unlike the free-living nematode Caenorhabditis elegans. Although the forthcoming genome sequence of Trichinella spiralis can provide invaluable comparative information about nematode biology, a basic framework for understanding the history of the genus Trichinella is needed to maximize its utility. We therefore developed the first robust and comprehensive analysis of the phylogeny and biogeographic history of Trichinella using the variation in three genes (nuclear small-subunit rDNA, and second internal transcribed spacer, mitochondrial large-subunit rDNA, and cytochrome oxidase …