Abstract
Artemisinin, a sesquiterpene lactone isolated from the Chinese medicinal plant Artemisia annua L., is an effective antimalarial agent, especially for multi-drug resistant and cerebral malaria. To date, A. annua is still the only commercial source of artemisinin. The low concentration of artemisinin in A. annua, ranging from 0.01 to 0.8% of the plant dry weight, makes artemisinin relatively expensive and difficult to meet the demand of over 100 million courses of artemisinin-based combinational therapies per year. Since the chemical synthesis of artemisinin is not commercially feasible at present, another promising approach to reduce the price of artemisinin-based antimalarial drugs is metabolic engineering of the plant to obtain a higher content of artemisinin in transgenic plants. In the past decade, we have established an Agrobacterium-mediated transformation system of A. annua, and have successfully transferred a number of genes related to artemisinin biosynthesis into the plant. The various aspects of these efforts are discussed in this review.
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Acknowledgments
The authors thank Dr. Da-Hua CHEN, Dr. Sa GENG, Dr. Jun-Li HAN, Dr. Huahong WANG, Dr. Chenfei MA and Dr. Dongming MA for their contributions. These researches were supported by the National High-tech R&D Program (863) of the Ministry of Sciences and Technology, China (2007AA021501); the Knowledge Innovation Program of the Chinese Academy of Sciences (KSCX2-SW-329); the National Natural Science Foundation of China (30672623, 60773164, 30470153).
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Communicated by R. Reski.
A contribution to the Special Issue: Plant Biotechnology in Support of the Millennium Development Goals.
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Liu, B., Wang, H., Du, Z. et al. Metabolic engineering of artemisinin biosynthesis in Artemisia annua L.. Plant Cell Rep 30, 689–694 (2011). https://doi.org/10.1007/s00299-010-0967-9
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DOI: https://doi.org/10.1007/s00299-010-0967-9