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Table 2 Antimicrobial resistance/susceptibility profile of Aeromonas and Listeria species isolates

From: Antimicrobial resistance and virulence signatures of Listeria and Aeromonas species recovered from treated wastewater effluent and receiving surface water in Durban, South Africa

Antibiotic class Antibiotics Conc (μg) Bacterial isolates
  Aeromonas spp. (n = 100) Listeria spp. (n = 78)
  n (Resistant) n (Susceptible) n (Intermediate) n (Resistant) n (Susceptible) n (Intermediate)
β-Lactams Penicillin (P) 10 (10) 100 (100) 0 (0) 0 (0) 78 (100) 0 (0) 0 (0)
Cephalothin (KF) 30 82 (82) 15 (15) 3 (3) 47 (60.26) 24 (30.77) 7 (8.97)
Aminoglycosides Gentamicin (CN) 10 0 (0) 100 (100) 0 (0) 0 72 (92.31) 6 (7.69)
Kanamycin (K) 5 14 (14) 59 (59) 27 (27) 41 (52.56) 18 (23.08) 19 (24.36)
Amikacin (AK) 30 0 (0) 95 (95) 5 (5) 0 78 (100) 0
Carbapenems Ertapenem (ETP) 10 23 (23) 72 (72) 5 (5) 22 (28.21) 48 (61.54) 8 (10.25)
Meropenem (MEM) 10 11 (11) 79 (79) 10 (10) 0 (0) 70 (89.74) 8 (10.26)
Cephalosporin Cefotaxime (CTX) 30 6 (6) 82 (82) 12 (12) 24 (30.77) 39 (50) 15 (19.23)
Ceftriaxone (CRO) 30 22 (22) 78 (78) 0 (0) 19 (24.36) 45 (59.69) 14 (17.95)
Glycopeptides Vancomycin (VA) 30 100 (100) 0 (0) 0 (0) 24 (30.77) 54 (69.23) 0 (0)
Lincosamides Clindamycin (DA) 10 100 (100) 0 (0) 0 (0) 9 (11.54) 69 (88.46) 0 (0)
Macrolides Erythromycin (E) 15 58 (58) 11 (11) 31 (31) 78 (100) 0 (0) 0 (0)
Nitrofurans Nitrofurantoin (F) 50 4 (4) 72 (72) 24 (24) 50 (64.10) 6 (7.69) 22 (28.20)
Penicillins Ampicillin (AMP) 10 100 (100) 0 (0) 0 (0) 65 (83.33) 8 (10.26) 5 (6.41)
Polypeptides Colistin (CT) 10 14 (14) 86 (86) 0 (0) 16 (20.51) 62 (79.48) 0 (0)
Quinolones Nalidixic acid (NA) 30 56 (56) 44 (44) 0 (0) 78 (100) 0 (0) 0 (0)
Mixofloxacin (MXF) 5 3 (3) 83 (83) 14 (14) 3 (3.85) 72 (92.30) 3 (3.85)
Ciprofloxacin (CIP) 5 0 (0) 94 (94) 6 (6) 0 75 (96.15) 3 (3.85)
Sulfonamides Trimethoprim (W) 5 56 (56) 38 (38) 6 (6) 53 (67.95) 20 (25.64) 5 (6.41)
Tetracyclines Tetracycline (TE) 10 19 (19) 44 (44) 37 (37) 37 (47.44) 31 (39.74) 10 (12.82)
Other Streptomycin (S) 25 16 (16) 70 (70) 14 (14) 0 78 (100) 0
Chloramphenicol (C) 30 4 (4) 95 (95) 1 (1) 0 78 (100) 0
Fosfomycin (FOS) 50 3 (3) 88 (88) 9 (9) 0 78 (100) 0
Fusidic Acid (FD) 10 100 (100) 0 (0) 0 (0) 0 78 (100) 0
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