Table 1.

Restriction endonuclease analysis of tonB gene in H. influenzae and H. parainfluenzae isolates

SpeciesXhoIBglIIComposite pattern (no.)
Fragment length (bp)No. of isolatesFragment length (bp)No. of isolates
CutUncutCutUncut
H. influenzae204, 60955388,42528I (28)
204, 6095527II (27)
H. parainfluenzae204, 60932388,42515I (15)
204, 6093217II (17)