Antibiotic sensitivity of oligotrophic and eutrophic bacteria
1995
Kimura, Y. (Kagawa Univ., Miki (Japan). Faculty of Agriculture) | Nakamura, T. | Kajikawa, K. | Sato, M.
Forty-three isolates of oligotrophic bacteria and forty-three isolates of eutrophic bacteria were tested with the use of standard paper disks for their sensitivity to ten antibiotics, ampicillin, penicillin G, streptomycin, kanamycin, chloramphenicol, tetracycline, puromycin, mitomycin, rifampicin, and polymyxin B. Almost of the oligotrophic bacteria were multiple antibiotic resistant bacteria and were particularly resistant to ampicillin, penicillin G. streptomycin, chloramphenicol, puromycin, and mitomycin. Majority of the oligotrophic bacteria (83.7%) were resistant to more than 6 antibiotics. About 60% of the oligotrophic bacteria were sensitive to kanamycin, rifampicin, and polymyxin B. On the other hand, about more than 60% of the eutrophic bacteria were sensitive to the highest concentrations of 10 antibiotics. 5 strains of the eutrophic bacteria (11.6%) were resistant to more than 6 antibiotics. Sensitivity to 10 antibiotics was highest (53.5%), followed by 9 antibiotics (14.0%)
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