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Journal of Clinical Microbiology, September 1999, p. 3037-3040, Vol. 37, No. 9
Department of Veterinary Pathobiology, The
Texas Veterinary Medical Center, Texas A&M University, College Station,
Texas 77843-44671; Department of
Microbiology, Pathology and Parasitology, School of Veterinary
Medicine, North Carolina State University, Raleigh, North Carolina
276062; Department of Agriculture,
Division of Animal Health, Jefferson City, Missouri
651023; and USDA Animal and Plant
Health Inspection Service National Veterinary Services Laboratory,
Ames, Iowa 500104
Received 21 September 1998/Returned for modification 5 April
1999/Accepted 12 May 1999
Theileria sp.-specific small subunit (SSU) rRNA gene
amplification confirmed the presence of the organism in cattle and in Amblyomma americanum and Dermacentor variabilis
ticks collected from a cattle herd in Missouri. Blood from the index
animal had type A and type D Theileria SSU rRNA genes. The
type D gene was also found in blood from two cohort cattle and tick
tissues. The type A SSU rRNA gene was previously reported from bovine
Theileria isolates from Texas and North Carolina; the type
D gene was reported from a Texas cow with theileriosis.
0095-1137/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.
Theileria sp. Infections Associated with
Bovine Fatalities in the United States Confirmed by Small-Subunit rRNA
Gene Analyses of Blood and Tick Samples

*
Corresponding author. Mailing address: Department of
Veterinary Pathobiology, The Texas Veterinary Medical Center, Texas A&M University, College Station, TX 77843-4467. Phone: (409) 845-4275. Fax:
(409) 862-1147. E-mail: gwagner{at}cvm.tamu.edu.
Present address: Department of Medicine and Epidemiology, School of
Veterinary Medicine, University of California, Davis, CA 95616-8737.
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