Roles of reactive oxygen species in Streptomyces pactum Act12-induced tanshinone production in Salvia miltiorrhiza hairy roots Advances in studies on 1-deoxy-D-xylulose 5-phosphate reductoisomerase gene in medicinal plants Cloning and Expression Analysis of Gene Encoding 1-Deoxy-D-xylulose 5-Phosphate Synthase in Gentiana rigescens Cloning and tissue-specific expression analysis of conserved fragments of DXR gene from Angelica sinensis Cloning and expression analysis of 1-deoxy-D-xylulose 5-phosphate reductoisomerase gene from Gentiana macrophylla (GmDXR) Identification and Characterization of a 1-Deoxy-D-xylulose 5-phosphate Synthase Gene From Pinus kesiya var. langbianensis