CHEN Ziyuan,ZHAO Yuyang,XIE Xutao,et al.Identification of Murrayae Folium et Cacumen by Multiplex Allele-Specific PCR[J].Chinese Journal of Experimental Traditional Medical Formulae,2022,28(17):106-112.
CHEN Ziyuan,ZHAO Yuyang,XIE Xutao,et al.Identification of Murrayae Folium et Cacumen by Multiplex Allele-Specific PCR[J].Chinese Journal of Experimental Traditional Medical Formulae,2022,28(17):106-112. DOI: 10.13422/j.cnki.syfjx.20221012.
Identification of Murrayae Folium et Cacumen by Multiplex Allele-Specific PCR
To establish a polymerase chain reaction(PCR) method to accurately discriminate the crude materials of Murrayae Folium et Cacumen,
Murraya exotica
and
M. paniculata
.
Method
2
Based on the difference in chloroplast genome sequences of
M. exotica
and
M. paniculata
, species-specific identification primers P03 and P04 of
M. exotica
and
M. paniculata
were designed according to single nucleotide polymorphism (SNP) on the chloroplast genome. A multiplex allele-specific PCR identification method was established for the identification of
M. exotica
and
M. paniculata
following the optimization of annealing temperature, number of cycles, and primer concentration ratio. The established PCR method for identification was explored and verified in terms of tolerance and feasibility by investigating the type of
Taq
polymerases and PCR system model.
Result
2
In this multiplex allele-specific PCR identification method, about 330 and 230 bp of specific fragments were amplified from DNA templates of
M. exotica
and
M. paniculata
, respectively, under the following conditions:cycle number of 31, annealing temperature of 60 ℃, and primer concentration ratio of P03 and P04 of 1∶2. Consistent results were obtained for samples from different sources.
Conclusion
2
The multiplex allele-specific PCR identification method established in this study can accurately identify the origin of Murrayae Folium et Cacumen, which can be used for the simultaneous identification of
M. exotica
and
M. paniculata
by the length of fragments in a single identification assay.
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Related Author
YUAN Yuan
LI Xiaolin
ZHAO Yuyang
LUO Li
ZHA Liangping
LIU Zhihao
WANG Bocheng
CHEN Ziyuan
Related Institution
National Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences
School of Traditional Chinese Pharmacy,China Pharmaceutical University
School of Pharmacy,Anhui University of Chinese Medicine
School of Traditional Chinese Medicine, Guangdong Pharmaceutical University