1.5.5.2 flower high enzyme expression level 741642 1.5.5.2 leaf low enzyme expression level 741642 1.5.5.2 root low enzyme expression level 741642 1.5.5.2 seed high enzyme expression level 741642 1.5.5.2 seedling - 741642 1.5.5.2 stem low enzyme expression level 741642 1.5.5.2 epimastigote TcPRODH mRNA and protein expression are strongly upregulated in the intracellular epimastigote, a stage which requires an external supply of proline -, 743635