Comparison of Profiling of Hairy Root of Two Tibetan Medicinal Plants Przewalskia tangutica Maxim. and Anisodus tanguticus Maxim

子叶 传统医学 下胚轴 化学 老茧 外植体培养 植物 曼陀罗 农杆菌 Murashige和Skoog培养基 园艺 生物 生物化学 转化(遗传学) 医学 基因 体外
作者
Tianxiang Lei,Huan Wang,Songling Li,Xiaojian Cai,Shilong Chen,Tingfeng Cheng,Jianwei Shen,Shengjun Shi,Dangwei Zhou
出处
期刊:Current Pharmaceutical Biotechnology [Bentham Science]
卷期号:21 (6): 516-527 被引量:2
标识
DOI:10.2174/1389201020666191127125842
摘要

Background: Tropane Alkaloids (TAs) are important drugs for curing many diseases in the medical industry. Methods: To sustainably exploit TA resources in endangered traditional Tibetan herbs, the hairy root (HR) systems of Przewalskia tangutica Maxim. and Anisodus tanguticus Maxim. were compared under the same culture conditions. Results: The results indicated that both the Agrobacterium rhizogenes strains and explants affected the HR induction frequency, MSU440, A4 and LBA9402 strains could induce hairy roots following infection of cotyledon and hypocotyl of A. tanguticus while LBA9402 could not induce HR on either explants of P. tangutica. The efficiency of LBA9402 was higher than A4 and MSU440 on A. tanguticus and A4 was better strain than MSU440 on P. tangutica. The hypocotyl explant was more suitable for P.tangutica and cotyledon explant was better for A.tangutica with a transformation frequency of 33.3% (P. tangutica) and 82.5% (A. tanguticus), respectively. In a flask reactor system, both the growth curves of HR for two species both appeared to be “S” curve; however, the HR of P. tangutica grew more rapidly than that of A. tanguticus, and the latter accumulated more biomass than the former. As the culture volume increased, the HR proliferation coefficient of both the species increased. HPLC analysis results showed that the content of TAs in the HR of P. tangutica was 257.24mg/100g·DW, which was more than that of A. tanguticus HR (251.08mg/100g·DW), and the anisodamine in the Pt- HR was significantly higher than that in At-HR. Moreover, tropane alkaloids in the HR of the two species were all significantly higher than that of the roots of aseptic seedlings. Conclusion: Our results suggest that HR of P. tangutica and A. tanguticus both could provide a useful platform for sustainable utilization of two Tibetan medicinal plants in the Qinghai-Tibetan Plateau in the future.
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