Beyond the raccoon roundworm: The natural history of non-raccoon Baylisascaris species in the New World

International Journal for Parasitology. Parasites and Wildlife
Sarah G H SappMichael J Yabsley

Abstract

A total of 10 species of Baylisascaris, a genus of ascaridoid nematodes, occur worldwide and 6 of them occur in the New World. Most of the Baylisascaris species have a similar life cycle with carnivorous mammals or marsupials serving as definitive hosts and a smaller prey host serving as paratenic (or intermediate) hosts. However, one species in rodents is unique in that it only has one host. Considerable research has been conducted on B. procyonis, the raccoon roundworm, as it is a well-known cause of severe to fatal neurologic disease in humans and many wildlife species. However, other Baylisascaris species could cause larva migrans but research on them is limited in comparison. In addition to concerns related to the potential impacts of larva migrans on potential paratenic hosts, there are many questions about the geographic ranges, definitive and paratenic host diversity, and general ecology of these non-raccoon Baylisascaris species. Here, we provide a comprehensive review of the current knowledge of New World Baylisascaris species, including B. columnaris of skunks, B. transfuga and B. venezuelensis of bears, B. laevis of sciurids, B. devosi of gulonids, B. melis of badgers, and B. potosis of kinkajou. Discussed are what ...Continue Reading

Citations

Apr 26, 2018·The Journal of Parasitology·Kensuke TairaYumi Une
Dec 7, 2019·Biological Reviews of the Cambridge Philosophical Society·Alexandre MestreJoaquín Hortal
Dec 29, 2020·Helminthologia·K TairaH K Ooi
Aug 11, 2018·International Journal for Parasitology. Parasites and Wildlife·Eric P HobergSteven A Nadler
Nov 3, 2020·International Journal for Parasitology. Parasites and Wildlife·Sophie E WatsonSarah E Perkins
Sep 1, 2021·Doklady Biological Sciences : Proceedings of the Academy of Sciences of the USSR, Biological Sciences Sections·T N Sivkova, P A Kosintsev

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