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金黄色葡萄球菌中耐甲氧西林决定因素的遗传行为

Genetic behavior of the methicillin resistance determinant in Staphylococcus aureus.

作者信息

Stewart G C, Rosenblum E D

出版信息

J Bacteriol. 1980 Dec;144(3):1200-2. doi: 10.1128/jb.144.3.1200-1202.1980.

Abstract

The cotransformation frequency of mecC5 with pur-102 using Staphylococcus aureus C5 deoxyribonucleic acid was found to be approximately 45%. However, in cotransduction studies, there was a 15% cotransduction of purine prototrophy and methicillin sensitivity but, in the reciprocal cross, no purine-prototrophic plus Mecr cotransductants were obtained (frequency less than 0.06%). The data support the hypothesis that the mec determinant resides on an inserted deoxyribonucleic acid sequence in S. aureus and that there is no allelic equivalent in sensitive cells.

摘要

利用金黄色葡萄球菌C5的脱氧核糖核酸,发现mecC5与pur-102的共转化频率约为45%。然而,在共转导研究中,嘌呤原养型和甲氧西林敏感性的共转导率为15%,但在反向杂交中,未获得嘌呤原养型加Mecr共转导子(频率小于0.06%)。这些数据支持以下假设:mec决定簇位于金黄色葡萄球菌中插入的脱氧核糖核酸序列上,且敏感细胞中不存在等位基因等价物。

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Genetics of methicillin resistance in Staphylococcus aureus.金黄色葡萄球菌耐甲氧西林的遗传学
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Genomic Basis for Methicillin Resistance in Staphylococcus aureus.金黄色葡萄球菌耐甲氧西林的基因组基础。
Infect Chemother. 2013 Jun;45(2):117-36. doi: 10.3947/ic.2013.45.2.117. Epub 2013 Jun 26.

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