Peer-reviewed veterinary case report
The Status of Heligmosomoides americanus, Representative of an American Clade of Vole-Infecting Nematodes.
- Journal:
- The Journal of parasitology
- Year:
- 2015
- Authors:
- Harris, P D et al.
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).
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Search related cases →Original publication: https://pubmed.ncbi.nlm.nih.gov/25574753/