Lateral Flow Hybridization Assay to Determine Transcripts of TEM-Type Beta-Lactamase Genes in Bacteria Resistant to Antibiotics

IF 0.7 Q4 CHEMISTRY, MULTIDISCIPLINARY
A. A. Filippova, I. P. Andreeva, G. V. Presnova, M. M. Ulyashova, M. Yu. Rubtsova
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引用次数: 0

Abstract

A technique for lateral flow hybridization analysis of specific bacterial beta-lactamase mRNAs, including the preparation of a biotinylated target DNA and its analysis on a test strip with immobilized oligonucleotide probes, is developed. When the target DNA and probe structures are complementary, DNA duplexes are formed in the test zone of the strip, which interact with the conjugate of streptavidin and gold nanoparticles. The technique is used to determine the transcripts of the genes encoding TEM-type beta-lactamases isolated from the culture of E. coli producing the corresponding recombinant beta-lactamase. It is shown that single-stranded 330 bp target DNA is determined most effectively in lateral flow analysis.

Abstract Image

测定耐药细菌中tem型β -内酰胺酶基因转录本的横向流动杂交试验
提出了一种用于细菌β -内酰胺酶mrna的横向流动杂交分析技术,包括生物素化靶DNA的制备及其在固定化寡核苷酸探针试纸上的分析。当靶DNA和探针结构互补时,在条带的测试区形成DNA双链物,与链霉亲和素和金纳米粒子的共轭物相互作用。该技术用于确定从大肠杆菌培养物中分离的编码tem型β -内酰胺酶的基因转录本,产生相应的重组β -内酰胺酶。结果表明,在横向流动分析中,单链330 bp的目标DNA是最有效的。
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来源期刊
Moscow University Chemistry Bulletin
Moscow University Chemistry Bulletin CHEMISTRY, MULTIDISCIPLINARY-
CiteScore
1.30
自引率
14.30%
发文量
38
期刊介绍: Moscow University Chemistry Bulletin is a journal that publishes review articles, original research articles, and short communications on various areas of basic and applied research in chemistry, including medical chemistry and pharmacology.
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