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Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin)
Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin)
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Microorganism
MIC50
(μg/ml)
MIC90
(μg/ml)
Range
(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
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