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Comparative Analysis of the Complete Chloroplast Genome Sequences of Four Origin Plants of Lonicerae Flos (Lonicera; Caprifoliaceae)

Sisi Liu1, Lisi Zhou2, Jiaoli Huang1, Huijie Zeng1, Zhongquan Qiao1, Yongxin Li1,*, Gang Zhang3,*

1 Hunan Academy of Forestry, Changsha, China
2 Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
3 College of Pharmacy, Shaanxi Qinling Application Development and Engineering Center of Chinese Herbal Medicine, Shaanxi University of Chinese Medicine, Xi’an, China

* Corresponding Authors: Yongxin Li. Email: email; Gang Zhang. Email: email

(This article belongs to the Special Issue: Plant Omics in Challenging Environment)

Phyton-International Journal of Experimental Botany 2022, 91(7), 1503-1516. https://doi.org/10.32604/phyton.2022.020390

Abstract

Lonicerae Flos (LF) derived from the dried flower buds or opening flowers of four Lonicera plants (Lonicera macranthoides, L. hypoglauca, L. confusa, and L. fulvotnetosa), is a popular traditional Chinese medicine. Because the four origin plants are very similar in morphology, it is difficult to control the quality of LF in actual production. Over the past decade, many reports have pointed out the differences among them, including the botanical characteristics and active ingredients. However, there is still a lack of rapid methods that can be applied to the identification of the four origins. In this study, comparative analysis of the four chloroplast genomes was performed, and they showed low diversity (Pi = 0.00267), three variation hotspots regions (rbcL-accD, rps12-ndhF and rps12-trnN-trnG) were identified as potentially molecular marker of highly informative. Meanwhile, the most obvious difference in SSR comparative analysis is reverse and complement repeats were only identified in L. confusa and L. hypoglauca, respectively. Lastly, the phylogenetic tree showed that L. confusa is more closely related to L. fulvotnetosa, while L. macranthoides is closer to L. hypoglauca. This study systematically revealed the differences among the four chloroplast genomes, and it provides valuable genetic information for identifying the origin of LF.

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Cite This Article

Liu, S., Zhou, L., Huang, J., Zeng, H., Qiao, Z. et al. (2022). Comparative Analysis of the Complete Chloroplast Genome Sequences of Four Origin Plants of Lonicerae Flos (Lonicera; Caprifoliaceae). Phyton-International Journal of Experimental Botany, 91(7), 1503–1516. https://doi.org/10.32604/phyton.2022.020390



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