HomeSearch by AntimicrobialPenicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin)
Microorganism MIC50sort
(μg/ml)
MIC90sort
(μg/ml)
Rangesort
(μg/ml)
Reference
Bacillus cereus - - 100 - ? 884
Bacillus circulans 0.125 0.5 ≤0.03 - 1 818
Bacillus pumilus (ATCC 14884) - - 1 - ? 1183
Bacillus pumilus (MTCC 2296) - - 300 - ? 922
Bacillus spp. >2 >8 ≤0.06 - >8 462
Bacillus spp. 4 16 <0.015 - 32 6
Bacillus spp. >32 >32 ? - ? 126
Bacillus subtilis - - 25 - ? 208
Bacillus subtilis - - 25 - ? 208
Bacillus subtilis - - 32 - ? 164
Bacillus subtilis - - 412 - ? 1183
Bacillus subtilis - - 412 - ? 1183
Bacillus subtilis (327 + Broth microdilution) - - 32 - ? 892
Bacillus subtilis (ATCC 6633) - - 1.562 - ? 1500
Bacteroides caccae 128 >128 16 - >128 1475
Bacteroides capillosus 0.125 0.5 ≤0.03 - 1 818
Bacteroides distasonis >8 >128 2 - >128 248
Bacteroides fragilis >8 >129 2 - >128 248
Bacteroides fragilis 16 16 0.5 - 32 1279
Bacteroides fragilis 64 >128 2 - >128 1475
Bacteroides fragilis - - 4 - 128 401
Bacteroides fragilis (ATCC 25285) - - >8 - ? 650
Bacteroides fragilis (BF-1363 + clindamycin-resistant) - - 8 - ? 248
Bacteroides fragilis (group) 4 32 <=0.25 - >=512 1453
Bacteroides fragilis (group) 128 >128 <=0.03 - >128 1475
Bacteroides fragilis (NCTC 9343) - - 16 - ? 401
Bacteroides merdae 0.125 >32 0.016 - >32 1544
Bacteroides ovatus 0.125 >32 0.016 - >32 1544