FANG Qiang-qiang,WANG Yan.Identification of Multi-source Ethnodrug Rodgersiae Rhizoma by DNA Barcoding Technology[J].Chinese Journal of Experimental Traditional Medical Formulae,2020,26(17):142-150.
FANG Qiang-qiang,WANG Yan.Identification of Multi-source Ethnodrug Rodgersiae Rhizoma by DNA Barcoding Technology[J].Chinese Journal of Experimental Traditional Medical Formulae,2020,26(17):142-150. DOI: 10.13422/j.cnki.syfjx.20201811.
Identification of Multi-source Ethnodrug Rodgersiae Rhizoma by DNA Barcoding Technology
,were employed to evaluate the identification efficiency of multi-source ethnodrug Rodgersiae Rhizoma,and the most suitable sequence was then screened out.
Method
2
Efficiency of polymerase chain reaction(PCR) amplification,success rate of sequencing,intra- and inter-specific distances calculated by rank sum test,phylogenetic tree constructed with neighbor-joining(NJ) method and identification efficiency assessed by Blast 1 and NJ method were adopted in this study.
Result
2
Efficiency of PCR amplification and success rate of sequencing for
ITS
,
ITS
2,
psbA-trnH
,
rbcL
and
matK
were 100%,96.61% ,100%,98.31%,100%,100%,100%,100%,98.31% and 98.31%,respectively. Intra- and inter-specific genetic distances and identification achievement rate for
psbA-trnH
were the highest among the five candidate sequences. Besides,the average coalescent depth was less than the smallest interspecific distance for
psbA-trnH
. Phylogenetic tree also illustrated that Rodgersiae Rhizoma could be distinguished based on
psbA-trnH
.
Conclusion
2
According to the findings,
psbA-trnH
was superior to other DNA barcodes. Therefore,
psbA-trnH
was recommended as the ideal DNA barcode for the identification of multi-source ethnodrug Rodgersiae Rhizoma
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CHEN S L , YAO H , HAN J P , et al . Validation of the ITS2 region as a novel DNA barcode for identifying medicinal plant species [J]. PLoS One , 2010 , 5 ( 1 ): e8613 .
LI D Z , GAO L M , LI H T , et al . From the Cover:Comparative analysis of a large dataset indicates that internal transcribed spacer (ITS) should be incorporated into the core barcode for seed plants [J]. Proc Natl Acad Sci USA , 2011 , 108 ( 49 ): 19641 - 19646 .
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Related Author
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Related Institution
School of Ethnic Medicine,Chengdu University of TCM
Sichuan Institute for Drug Control/Key Laboratory of Quality Evaluation of Chinese Patent Medicines,National Medical Products Administration
Key Laboratory of Standardization of Chinese Medicine,State Key Laboratory of Southwestern Chinese Medicine Resource ,School of Pharmacy,Chengdu University of Traditional Chinese Medicine(TCM)
Hebei Key Laboratory of Research and Development of Chinese Medicine,Chengde Medical University