1.14.13.158 DNA and amino acid sequence determination and analysis, sequence comparisons and phylogenetic analysis 1.14.13.158 gene CYP71AV1, quantitative real-time PCR enzyme expression analysis 1.14.13.158 gene cyp71av1, recombinant expression of cytochrome P450 CYP71AV1 in Saccharomyces cerevisiae, coexpression with artemisinic aldehyde D11(13) reductase (DBR2), and artemisinic aldehyde dehydrogenase (ALDH1), which recycles NADPH 1.14.13.158 gene CYP71AV1, semi-quantitative RT-PCR enzyme expression analysis, the expression level of CYP71AV1 significantly increases with the overexpression of AabHLH1