FIG. 4.

AP-PCR fingerprint patterns of S. saintpaul obtained with the AP21 primer. Lanes (isolate, source, date of isolation): 1, XL4427, potato chips, July 1993; 2, GGD930D, poultry, November 1995; 3, 026625, human feces, July 1993; 4, 019171, human feces, June 1993; 5, 041120, human feces, September 1993; 6, 211054, human feces, March 1993; 7, 143095, human feces, December 1995; 8, 41, laboratory strain (date unknown); 9, 206917, human feces, March 1996; 10, negative control; M, 100-bp marker.