Tailed molecular beacon probes: an approach for the detection of structured DNA and RNA analytes†

IF 4.2 2区 化学 Q2 CHEMISTRY, MULTIDISCIPLINARY Chemical Communications Pub Date : 2025-01-06 DOI:10.1039/d4cc05984k
Brittany L. Mueller , Tatiana A. Molden , Jordan Hammock , Dmitry M. Kolpashchikov
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Abstract

Molecular beacon (MB) probes have been extensively used for nucleic acid analysis. However, MB probes fail to hybridize with folded DNA or RNA. Here, we demonstrate that MB probes equipped with extra sequences complementary to the analyte, named ‘tail’, can increase the signal-to-background ratio by ∼40-fold and hybridization rates by ∼800-fold compared to conventional MB probes. Tailed MB probes can be used as mismatched-tolerant alternatives to traditional hairpin probes for fast assays.

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尾部分子信标探针:一种检测结构DNA和RNA分析物的方法
分子信标(MB)探针已广泛应用于核酸分析。然而,MB探针不能与折叠的DNA或RNA杂交。在这里,我们证明,与传统的MB探针相比,配备了与分析物互补的额外序列的MB探针,称为“尾巴”,可以将信号与背景比提高约40倍,杂交率提高约800倍。尾形MB探针可以作为传统发夹探针的不匹配容忍替代品,用于快速测定。
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来源期刊
Chemical Communications
Chemical Communications 化学-化学综合
CiteScore
8.60
自引率
4.10%
发文量
2705
审稿时长
1.4 months
期刊介绍: ChemComm (Chemical Communications) is renowned as the fastest publisher of articles providing information on new avenues of research, drawn from all the world''s major areas of chemical research.
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