Four chicken lymphoblastoid cell lines were inoculated with avian reovirus strain S1133 and two local isolates, 965 and 615. Of the inoculated cell lines, TLT, a B-cell line, was productively infected with the three viruses as demonstrated by immunofluorescence assay (IFA) and radioimmunoprecipitation assay. A comparative growth curve analysis of the three avian reoviruses was done at 37 degrees and 41 degrees C. Isolate 965 replicated to a higher titre at both temperatures while the replication of S1133 and 615 was found to be inhibited at 41 degrees C. IFA revealed that among the transformed T lymphoblastoid cells used in this study, only MDCC-RP1 was permissive to virus infection with isolate 965, and at 41 degrees C, but not 37 degrees C.
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