Journal
RSC ADVANCES
Volume 5, Issue 23, Pages 18137-18144Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ra13459a
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Funding
- Chinese Universities Scientific Fund [QN2013035, 2014YB044]
- Natural Science Basic Research Plan in Shaanxi Province of China [2013JQ3006]
- Specialized Research Fund for the Doctoral Program of Higher Education [20130204120018, 20130204120038]
- National Natural Science Foundation of China [81393708, 31401839, 31170274]
- Biotechnology and Biological Sciences Research Council (BBSRC) Institute Strategic Programme Grant 'Understanding and Exploiting Plant and Microbial Secondary Metabolism [BB/J004596/1]
- John Innes Foundation
- joint Engineering and Physical Sciences Research Council/National Science Foundation, Syntegron consortium [EP/K03459/1]
- EU FP7-funded programme Triterpenes for Commercialisation (TriForC)
- Biotechnology and Biological Sciences Research Council [BBS/E/J/00000614] Funding Source: researchfish
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Salvia miltiorrhiza (Chinese name: danshen) is used in traditional Chinese medicine for the treatment of cardiovascular and cerebrovascular diseases. The tanshinones represent the most important biological active class of compounds present in danshen extracts. They are synthesized via either the cytoplasmic mevalonate or the plastidial 2-C-methyl-D-erythritol-4-phosphate pathway. Here, we summarize recent discoveries regarding the mechanisms underlying tanshinone biosynthesis and how the process is regulated. Tanshinone accumulation in planta is affected by a range of elicitors and by the composition of the culture medium. Its production in hairy root cultures can be enhanced by the over-expression of genes encoding 1-deoxy-D-xylulose 5-phosphate synthase, 3-hydroxy-3-methylglutaryl-CoA reductase, geranylgeranyl diphosphate synthase and allene oxide cyclase. The pathway leading to the biosynthesis of the tanshinone precursors miltiradiene and ferruginol, has been engineered in yeast.
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