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A host range mutant of human adenovirus type 5 defective for growth in hamster cells.

A host-range mutant of adenovirus type 5, which grows in human cells but not in hamster cells, has been isolated. This mutant is complemented in mixed infection in hamster cells at 38.5 degrees C by temperature-sensitive mutants of type 5 belonging to seventeen complementation groups, and may constitute a new group. In mixed infection of human cells at 32 degrees C with the host-range and temperature-sensitive mutants, recombination takes place and by a series of two factor crosses the host-range mutation has been approximately located on the adenovirus genetic map.