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In situ detection of reovirus in formalin-fixed, paraffin-embedded chicken tissues using a digoxigenin-labeled cDNA
1Department of Poultry Science, Auburn University, Alabama 36849-5416, USA.
Avian Diseases
|April 1, 1997
Abstract:
An in situ hybridization (ISH) technique using a digoxigenin (DIG)-labeled cDNA probe detected avian reovirus (ARV) RNA in formalin-fixed, paraffin-embedded chicken tissues. Tissues were collected 3 and 10 days following inoculation with the R-2 or the S1133 strain of ARV. The cDNA clone HJp1, located on the S1 gene segment of the ARV S1133 strain, was used to prepare a nonradioactive probe. The ISH assay localized ARV RNA in infected tissues including heart, liver, intestine, pancreas, and tendon. No positive-stained cells occurred in sections from uninfected chickens.