LIU Zhihao,CHEN Ziyuan,LI Xiaolin,et al.Specific PCR Identification of Artemisia absinthium, A New Foreign Medicinal Resource of Artemisia[J].Chinese Journal of Experimental Traditional Medical Formulae,2022,28(17):127-132.
LIU Zhihao,CHEN Ziyuan,LI Xiaolin,et al.Specific PCR Identification of Artemisia absinthium, A New Foreign Medicinal Resource of Artemisia[J].Chinese Journal of Experimental Traditional Medical Formulae,2022,28(17):127-132. DOI: 10.13422/j.cnki.syfjx.20221112.
Specific PCR Identification of Artemisia absinthium, A New Foreign Medicinal Resource of Artemisia
利用Chloroplast Genome Information Resource(CGIR)数据库查找中亚苦蒿及其近源种叶绿体基因组序列,并筛选获得中亚苦蒿特异性单核苷酸多态性(SNP)位点,根据SNP位点设计一对中亚苦蒿特异性鉴别引物zykh1-F和zykh1-R。采集中亚苦蒿及其常见近缘种的原植物样本,建立中亚苦蒿特异性PCR鉴别方法并优化反应体系,对该方法进行耐受性和适用性考察。利用该方法对从新疆药材市场购买中亚苦蒿药材样本进行鉴别。
To establish a specific polymerase chain reaction (PCR) method for the identification of
Artemisia absinthium
to allow accurate and convenient identification of
A. absinthium
and its related species.
Method
2
The chloroplast genome sequences of
A. absinthium
and its related species were searched from Chloroplast Genome Information Resource (CGIR), and the specific single nucleotide polymorphism (SNP) sites of
A. absinthium
were screened out. A pair of specific identification primers (zykh1-F and zykh1-R) of
A. absinthium
was designed. The original plant samples of
A. absinthium
and its related species were collected. The specific PCR method was established and optimized, and the tolerance and feasibility of this method were investigated and verified. The method was used to identify
A. absinthium
samples purchased from Xinjiang medicinal materials market.
Result
2
A 210 bp bright band was obtained from
A. absinthium
after PCR amplification and gel electrophoresis under the following conditions: specific primers zykh1-F and zykh1-R, annealing temperature of 54 ℃, and the number of cycles of 33. No such band was observed from its relative species, such as
A. argyi
,
A. annua
,
A. leucophylla
, and
A. lavandulaefolia
.
Conclusion
2
The specific PCR identification method of established in this study can accurately identify
A. absinthium
and its common related species with high specificity. The method can save time and cost and allows a convenient and fast species identification for the introduction and utilization of
A. absinthium
resources.
关键词
Keywords
references
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