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- Title
The Potential Power of Bar-HRM Technology in Herbal Medicine Identification.
- Authors
Wei Sun; Jing-jian Li; Chao Xiong; Bo Zhao; Shi-lin Chen
- Abstract
The substitution of low-cost or adulterated herbal products for high-priced herbs makes it important to be able to identify and trace herbal plant species and their processed products in the drug supply chain. PCR-based methods play an increasing role in monitoring the safety of herbal medicines by detecting adulteration. Recent studies have shown the potential of DNA barcoding combined with high resolution melting (Bar-HRM) analysis in herbal medicine identification. This method involves precisely monitoring the change in fluorescence caused by the release of an intercalating DNA dye from a DNA duplex as it is denatured by a gradual increase in temperature. Since the melting profile depends on the GC content, length, and strand complementarity of the amplification product, Bar-HRM analysis opens up the possibility of detecting single-base variants or species-specific differences in a short region of DNA. This review summarizes key factors affecting Bar-HRM analysis and describes how Bar-HRM is performed. We then discuss advances in Bar-HRM analysis of medicinal plant ingredients (herbal materia medica) as a contribution toward safe and effective herbal medicines.
- Subjects
HERBAL medicine; GENETIC barcoding; POLYMERASE chain reaction
- Publication
Frontiers in Plant Science, 2016, p1
- ISSN
1664-462X
- Publication type
Article
- DOI
10.3389/fpls.2016.00367