Jerri Bartholomew
Department Head of Microbiology; Professor and Director of J.L. Fryer Salmon Disease Laboratory

Salmon diseases, myxozoan parasites, host resistance mechanisms, parasite evolution

OSU Campus
Fisheries and Wildlife
Nash Hall
Room 524 Oregon State University
Corvallis, OR 97331
United States
(541) 737-1834


Our research focuses on the pathogens that affect the health of wild Pacific salmon populations, particularly myxozoan parasites, which have a complex life cycle, requiring both a fish and annelid host.

I accept graduate students for the Fisheries and Wildlife Department


Ray, A.R, R. A. Holt and J. L. Bartholomew. 2012. Relationship between temperature and C. shasta-induced mortality in Klamath River salmonids. Journal of Parasitology. 98:520-526.

Hallett, S.L., R.A. Ray, C.N. Hurst, R.A. Holt, G.R. Buckles, S.D. Atkinson and J.L. Bartholomew.  2012. Density of the Waterborne Parasite, Ceratomyxa shasta, and Its Biological Effects on Salmon. Applied and Environmental Microbiology 78:3724-3731.

Hurst, C. N., R. A. Holt and J. L. Bartholomew. 2012. Ceratomyxa shasta in the Williamson River, Oregon: Implications for reintroduced salmon.  North American Journal of Fisheries Management. 32:14-23.

Atkinson, S. D., S. R. M. Jones, R. D. Adlard and J. L. Bartholomew. 2011. Geographic and host distribution patterns of Parvicapsula minibicornis (Myxozoa) small subunit ribosomal RNA genetic types. Parasitology 138:969-977.

Fujiwara, M. M. S. Mohr, A. Greenberg, J. S. Foott and J. L. Bartholomew. 2011. Effects of myxozoan disease on population dynamics of Pacific salmon. Transactions of the American Fisheries Society 140:1380-1391. pdf

Zielinski, C. M., H. V. Lorz, S. L. Hallett, L. Xue and J. L. Bartholomew. 2011. Comparative susceptibility of Deschutes River (Oregon, USA) Tubifex tubifex populations to Myxobolus cerebralis. Journal of Aquatic Animal Health 23:1-8. pdf

Zhang, Y-A., I. Salinas, J. Li, D. Parra, S. Bjork, S. LaPatra, J. Bartholomew and J. O. Sunyer. 2010. IgT, a primitive immunoglobulin class specialized in mucosal immunity.  Nature Immunology 11:827-835. pdf

Bjork, S. J. and J. L. Bartholomew. 2010. Invasion of Ceratomyxa shasta (Myxozoa) and comparison of migration to the intestine between susceptible and resistant fish hosts. International Journal for Parasitology. 40:1087-1095. pdf