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在好氧氧化塘处理前后,从生活污水中分离出的粪大肠菌群的抗生素耐药模式。

Antibiotic resistance patterns of fecal coliforms isolated from domestic sewage before and after treatment in an aerobic lagoon.

作者信息

Bell R B

出版信息

Can J Microbiol. 1978 Jul;24(7):886-8. doi: 10.1139/m78-147.

Abstract

The resistance of 260 strains of fecal coliforms, isolated from raw domestic sewage and aerobic lagoon effluent, to ampicillin, aureomycin, chloromycetin, gentamicin, streptomycin, sulfadiazine, and tetracycline, was determined. Aerobic lagoon treatment produced a 20-fold reduction in the fecal coliform numbers. No statistically significant difference in antibiotic resistance was observed between the fecal coliforms found in raw sewage and in lagoon effluent despite a trend towards the loss of resistance in the latter. Antibiotic resistance, either single or multiple, did not contribute to, or detract from, bacterial survival in the aerobic lagoon. Of the isolates, 15% showed resistance to two or more antiobiotics.

摘要

对从生活污水原水和好氧塘出水中分离出的260株粪大肠菌群,测定了其对氨苄青霉素、金霉素、氯霉素、庆大霉素、链霉素、磺胺嘧啶和四环素的抗性。好氧塘处理使粪大肠菌群数量减少了20倍。尽管好氧塘出水中的粪大肠菌群有抗性丧失的趋势,但在生活污水和塘出水中发现的粪大肠菌群之间,未观察到抗生素抗性有统计学上的显著差异。单一或多重抗生素抗性对好氧塘中细菌的存活既无促进作用也无抑制作用。在分离出的菌株中,15%对两种或更多种抗生素表现出抗性。

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