Application and prospect of biotechnology in research and development for medicinal plant Construction of Saccharomyces cerevisiae cell factories for lycopene production Research progress of synthetic biology for tanshinones Optimization of synthetic pathway and fermentation process of yeast cell factories for production of oleanoic acid Research progress in metabolic engineering and synthetic biology for natural lignan production Construction of cell factories for production of lupeol in Saccharomyces cerevisiae Research progress in synthetic biology of triterpen saponins Advances in Synthetic Biology Status and future of natural resource for Chinese materia medica