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1 June 2015 The Status of Heligmosomoides americanus, Representative of an American Clade of Vole-Infecting Nematodes
P. D. Harris, G. Zaleśny, J. Hildebrand, A. Paziewska-Harris, J. M. Behnke, V. Tkach, Y.-T. Hwang, J. M. Kinsella
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Abstract

Heligmosomoides americanus is shown by molecular phylogenetic analysis of 3 nuclear (28S, ITS1, and ITS2) and 2 mitochondrial (cytochrome oxidase 1 and cytochrome b) loci to be a distinct species of heligmosomid nematode with a long-independent evolutionary history, and not a subspecies of Heligmosomoides polygyrus. Rather than being a recent arrival in North America, the species probably originated as a Beringian immigrant with the host vole Phenacomys, approximately 2 million years ago (MYA).

P. D. Harris, G. Zaleśny, J. Hildebrand, A. Paziewska-Harris, J. M. Behnke, V. Tkach, Y.-T. Hwang, and J. M. Kinsella "The Status of Heligmosomoides americanus, Representative of an American Clade of Vole-Infecting Nematodes," Journal of Parasitology 101(3), 382-385, (1 June 2015). https://doi.org/10.1645/13-455.1
Published: 1 June 2015
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