Development of a new lysis solution for releasing genomic DNA from bacterial cells for DNA amplification by polymerase chain reaction.
Development of a new lysis solution for releasing genomic DNA from bacterial cells for DNA amplification by polymerase chain reaction.
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发表时间：
2000
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通讯作者：
R. Levin;A. Abolmaaty;C. Vu;J. Oliver
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作者：
R. Levin;A. Abolmaaty;C. Vu;J. Oliver
A new lysis solution designated TZ, consisting of 2.0% Triton X-100 plus 2.5 mg sodium azide/ml in 0.1 M Tris-HCl buffer at pH 8.0, yielded higher levels of genomic DNA from Escherichia coli O157:H7 cells compared with a number of other commonly used cell lysis methods. Ethidium bromide stained DNA bands resulting from PCR amplification of target DNA from 100 CFU of E. coli O157:H7 were readily detected following electrophoresis of agarose gels. In contrast, conventional cell lysis methods failed to detect target DNA from 100 CFU after PCR amplification. The new solution was highly effective for lysing cell suspensions of Salmonella enteritidis, Pseudomonas putida, Lysteria monocytogenes and Psychrobacter immobilis.
