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与猪肠道疾病相关的大肠杆菌血清型中的抗生素耐药性和溶血素质粒

Antibiotic resistance and Hly plasmids in serotypes of Escherichia coli associated with porcine enteric disease.

作者信息

Jorgensen S T, Poulsen A L

出版信息

Antimicrob Agents Chemother. 1976 Jan;9(1):6-10. doi: 10.1128/AAC.9.1.6.

Abstract

A total of 359 hemolytic Escherichia coli strains, representing eight pig pathogenic serotypes and isolated from pigs with enteric disease, was tested for transferable resistance to eight antibiotics. The co-transfer of plasmids controlling hemolysin production (Hly) with antibiotic resistance plasmids (R-factors) was evaluated. Transferable resistance to tetracycline, streptomycin, and/or sulfonamides was found in 47% of the total number of strains and 80% of the resistant ones. Chloramphenicol resistance was seldom seen. Co-transfer of Hly with R-factors occurred in 22.5% of the strains, generally to a degree excluding a genetic linkage. Stable coexistence of two R-factors in a cell was indicated by transfer patterns in 29 of the strains.

摘要

从患有肠道疾病的猪中分离出总共359株溶血性大肠杆菌菌株,它们代表8种猪致病性血清型,并对8种抗生素的可转移耐药性进行了检测。评估了控制溶血素产生(Hly)的质粒与抗生素耐药性质粒(R因子)的共同转移情况。在菌株总数的47%以及耐药菌株的80%中发现了对四环素、链霉素和/或磺胺类药物的可转移耐药性。很少见到氯霉素耐药性。Hly与R因子的共同转移发生在22.5%的菌株中,一般程度上排除了遗传连锁关系。29株菌株的转移模式表明细胞中两个R因子能稳定共存。

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Resistance plasmid transfer by Serratia marcescens in urine.粘质沙雷氏菌在尿液中进行耐药质粒转移。
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本文引用的文献

1
Replica plating and indirect selection of bacterial mutants.细菌突变体的影印培养和间接筛选
J Bacteriol. 1952 Mar;63(3):399-406. doi: 10.1128/jb.63.3.399-406.1952.
2
Infective heredity of multiple drug resistance in bacteria.细菌多重耐药性的感染性遗传
Bacteriol Rev. 1963 Mar;27(1):87-115. doi: 10.1128/br.27.1.87-115.1963.

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