Journal of Clinical Microbiology, September 1999, p. 3037-3040, Vol. 37, No. 9
0095-1137/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.

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.
Present address: Department of Medicine and Epidemiology, School of
Veterinary Medicine, University of California, Davis, CA 95616-8737.
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