FIG. 2.

Southern blot hybridization of QT35 cell DNA (lanes 2) and DNA from CKC infected with the RB-1B strain of MDV (lanes 1), probed with ³²P-labeled BamHI-H (A) and BamHI-I₂(B) probes. Each lane was loaded with the equivalent of 50,000 cells. DNA from control CKC was negative (data not shown). The sizes of the fragments (in kilobases) are indicated.