Table 1.

Characteristic changes used for typing of toxin genesa

Toxino- typeType of HincII and AccI restrictions for B1 fragmentType of HindIII andRsaI restrictions for B3 fragmentType ofEcoRI restrictions for A3 fragmentType ofNsiI restrictions for PL2 fragmentStandard strainNo. of strains found
01111VPI 10463172
I114d1EX 6232
II113d1AC 0081
III4422440276
IV2223i557674
V3384iSE 8811
VI335d4i513774
VII336d4i572671
VIII517d3i147025
IX5424i516802
X54NA4i88641
  • a NA, not amplified; d, deletion; i, insertion. Restriction patterns are as shown in Fig. 2 and 3.