Association of bluetongue virus gene segment 5 with neuroinvasiveness.

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RESUMO

Two strains (UC-2 and UC-8) of bluetongue virus were used to determine genetic factors influencing neuroinvasiveness. Reassortants were produced in vitro, and the parental origins of their genes were determined by polyacrylamide gel electrophoresis profiles and restriction endonuclease digestion. Gene segment 5 of UC-8 correlated with neuroinvasiveness of reassortants when inoculated subcutaneously into newborn mice.

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