Table 2 Antibiotic susceptibility test of L. delbrueckii 45E with disk-diffusion method
Classification | Sensitivity measurement as a diameter of inhibition (mm) | |||
|---|---|---|---|---|
Antibiotic categories | Types of antibiotics | Ld45E | LRC14 | GBS |
β-Lactam group | Ceftriaxone (30 µg) | S* (20) | S* (23) | S* (20) |
Cefuroxime (30 µg) | S* (23) | R (8) | S* (20) | |
Ampicillin (30 µg) | R (10) | I (16) | S* (22) | |
Protein inhibitor–mRNA synthesis | Gentamicin (10 µg) | R (13) | I (18) | I (18) |
Kanamycin (10 µg) | R (13) | R (10) | R (10) | |
Erythromycin (30 µg) | R (13) | R (4) | R (3) | |
Doxycycline (30 µg) | S* (32) | S* (30) | R (10) | |
Non-β-lactam nucleic acid synthesis inhibitors | Ciprofloxacin (30 µg) | S* (20) | S* (22) | S* (30) |
Trimethoprim-sulfamethoxazole (30 µg) | R (11) | R (9) | R (11) | |
Levofloxacin (30 µg) | I (18) | I (15) | R (0) | |