Volume 6, Number 2—April 2000
Research
Vibrio cholerae O139 in Calcutta, 1992-1998: Incidence, Antibiograms, and Genotypes
Figure 4

Figure 4. A. Pulsed-field gel electrophoresis profiles of the V. cholerae O139 strains. The numbers at the top indicate the strain numbers. Lanes 1, MWM (bacteriophage ladder); 2, 569B (O1 classical Inaba); 3, 2164-88 (O1 El Tor Ogawa); 4, CO870 (O1 El Tor Ogawa); 5, MO1 (progenitor of the O139 strain); 6, MO45 (O139 strain isolated during 1992-93); 7, AM231 (O139 strain isolated during 1996-97); 8, AM233 (O139 strain isolated during 1996-97); 9, AS258 (O139 strain isolated during 1996-97); 10, MWM (bacteriophage ladder). B. Southern blot of the same gel with O139-specific probe. The numbers at the top indicate the strain numbers. Lanes 1, MWM (bacteriophage ladder); 2, 569B (O1 classical Inaba); 3, 2164-88 (O1 El Tor Ogawa); 4, CO870 (O1 El Tor Ogawa); 5, MO1 (progenitor of the O139 strain); 6, MO45 (O139 strain isolated during 1992-93); 7, AM231 (O139 strain isolated during 1996-97); 8, AM233 (O139 strain isolated during 1996-97); 9, AS258 (O139 strain isolated during 1996-97); 10, MWM (bacteriophage ladder).