Theileria sp. Infections Associated with Bovine Fatalities in the United States Confirmed by Small-Subunit rRNA Gene Analyses of Blood and Tick Samples

1 September 1999

journal article
research article
Published by American Society for Microbiology in Journal of Clinical Microbiology

Vol. 37 (9) , 3037-3040
https://doi.org/10.1128/jcm.37.9.3037-3040.1999

Abstract

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.

Keywords

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