Dot blot hybridization preparations probed with the phage T-φHSIC DNA probe. Lane A, 0.4 μg of T-φHSIC DNA; lane B, 2.1 μg of plasmid DNA from HSIC; lane C, 0.5 μg of plasmid DNA from L-HSIC; lane D, 2.1 μg of chromosomal DNA from HSIC; lane E, 1.8 μg of chromosomal DNA from L-HSIC. Rows 1 and 2 are replicates.