Panax japonicus glycosyltransferase UGTPjm2 and application thereof to preparation of panax japonicus sapinogenin IVa
A technology of ginseng saponins and ginseng sugar bases is applied in the field of bioengineering, and can solve the problems of unclear synthesis path of ginseng saponins IVa, affecting the progress of biosynthesis of ginseng saponins IVa and the like.
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[0034] The preparation of embodiment 1 pearl ginseng glycosyltransferase UGTPjm2
[0035] The glycosyltransferase UGT74M1 identified in Saponaria vaccaria, the glycosyltransferase UGT73F3 identified in Medicago truncatula (Medicago truncatula), and the glycosyl identified in Centella asiatica (L.) Urban Using the transferase UGT73AH1 as a clue, the 59 glycosyltransferases (length greater than 900 bp) contained in Ginseng ginseng and the amino acid sequences of the above three glycosyltransferases were analyzed in a phylogenetic tree, and the phylogenetic tree was constructed using MEGA 6 software.
[0036] On the basis of the constructed phylogenetic tree, combined with the comprehensive analysis of the content characteristics of ginseng saponin IVa and gene expression, the candidate genes that may be involved in the biosynthesis of ginsenoside IVa were preliminarily screened out. After a series of work such as cDNA preparation, candidate gene amplification and recovery, homol...
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