TABLE 1.

Ability of B. fragilis 638R, 638R Δbsap-1, 639R Δubb, 638R Δbsap-1 Δubb, and His–BSAP-4 to inhibit the growth of B. fragilis strains^a

^aData regarding growth inhibition of strains and mutants are from when assays were performed using BHIS plates. Shading indicates that the strain is growth inhibited by the strain/toxin.

^bData were recently reported (10) but are shown here for comparative purposes.

^cGenome sequence available.