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3. Transuterine infection by Baylisascaris transfuga: Neurological migration and fatal debilitation in sibling moose calves (Alces alces gigas) from Alaska

Author

Hoberg, Eric P, Burek-Huntington, Kathleen, Beckmen, Kimberlee, Camp, Lauren E, and Nadler, Steven A

Subjects
Microbiology, Biological Sciences, Ecology, Infection, Baylisascaris transfuga, Neonatal infection, Transuterine migration, Neural larval migrans, Phylogenetic identification, Alces alces gigas, Environmental Science and Management, Evolutionary Biology
Abstract

Larval Baylisascaris nematodes (L3), resulting from transuterine infection and neural migration, were discovered in the cerebrum of sibling moose calves (Alces alces gigas) near 1-3 days in age from Alaska. We provide the first definitive identification, linking morphology, biogeography, and molecular phylogenetics, of Baylisascaris transfuga in naturally infected ungulates. Life history and involvement of paratenic hosts across a broader assemblage of mammals, from rodents to ungulates, in the transmission of B. transfuga remains undefined. Neural infections, debilitating young moose, may seasonally predispose calves to predation by brown bears, facilitating transmission to definitive hosts. Discovery of fatal neurological infections by L3 of B. transfuga in mammalian hosts serves to demonstrate the potential for zoonotic infection, as widely established for B. procyonis, in other regions and where raccoon definitive hosts are abundant. In zones of sympatry for multi-species assemblages of Baylisascaris across the Holarctic region presumptive identification of B. procyonis in cases of neurological larval migrans must be considered with caution. Diagnostics in neural and somatic larval migrans involving species of Baylisascaris in mammalian and other vertebrate hosts should include molecular-based and authoritative identification established in a phylogenetic context.

Published
2018

6. Transformational Principles for NEON Sampling of Mammalian Parasites and Pathogens: A Response to Springer and Colleagues

Author

Cook, Joseph A, Greiman, Stephen E, Agosta, Salvatore J, Anderson, Robert P, Arbogast, Brian S, Baker, Robert J, Boeger, Walter, Bradley, Robert D, Brooks, Daniel R, Cole, Rebecca, Demboski, John R, Dobson, Andrew P, Dunnum, Jonathan L, Eckerlin, Ralph P, Esselstyn, Jacob, Galbreath, Kurt E, Hawdon, John, Hoekstra, Hopi E, Kutz, Susan J, Light, Jessica E, Olson, Link E, Patterson, Bruce D, Patton, James L, Phillips, Anna J, Rickart, Eric, Rogers, Duke S, Siddall, Mark E, Tkach, Vasyl V, and Hoberg, Eric P

Subjects
Environmental Sciences, Biological Sciences, Ecology
Published
2016

7. Hiding in plain sight: discovery and phylogeography of a cryptic species of Trichinella (Nematoda: Trichinellidae) in wolverine (Gulo gulo)

Author

Sharma, Rajnish, Thompson, Peter C., Hoberg, Eric P., Brad Scandrett, W., Konecsni, Kelly, Harms, N. Jane, Kukka, Piia M., Jung, Thomas S., Elkin, Brett, Mulders, Robert, Larter, Nicholas C., Branigan, Marsha, Pongracz, Jodie, Wagner, Brent, Kafle, Pratap, Lobanov, Vladislav A., Rosenthal, Benjamin M., and Jenkins, Emily J.

Published
2020
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11. Building an integrated infrastructure for exploring biodiversity : field collections and archives of mammals and parasites

Author

Galbreath, Kurt E., Hoberg, Eric P., Cook, Joseph A., Armién, Blas, Bell, Kayce C., Campbell, Mariel L., Dunnum, Jonathan L., Dursahinhan, Altangerel T., Eckerlin, Ralph P., Gardner, Scott L., Greiman, Stephen E., Henttonen, Heikki, Jiménez, F. Agustín, Koehler, Anson V. A., Nyamsuren, Batsaikhan, Tkach, Vasyl V., Torres-Pérez, Fernando, Tsvetkova, Albina, and Hope, Andrew G.

Published
2019

29. Society Business

Author

Marcogliese, David J., Richardson, Dennis J., Nickol, Brent B., Hoberg, Eric P., and Cain, George D.

Published
2001

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