期刊论文详细信息
BioImpacts
Transient expression of cor gene in Papaver somniferum
Hosseini B1 
关键词: Papaver.somniferum;    biosynthesis pathway;    COR enzyme;   
DOI  :  10.5681/bi.2011.033
学科分类:农业科学(综合)
来源: Tabriz University of Medical Sciences and Health Services
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【 摘 要 】

Nowadays, Papaver.somniferum is the commercial source of the narcotic analgesics morphine and codeine. Besides these two morphinans, P.somniferum produces approximately eighty alkaloids belonging to various tetrahydrobenzylisoquinoline derived classes. The isolation of effective genes involved in the morphine biosynthesis of P.somniferum is very important in the production of specific metabolites which can be achieved using metabolic engineering techniques. In this biosynthesis pathway, the key enzyme COR, is involved in the conversion of codeinone to codeine and morphinone to morphine. In this project, the gene encoding of this enzyme was isolated using primers which were designed on the base of gene sequence available on (NCBI) for P. somniferum. This gene was then cloned in expression vectors under controlled CaMV35 promoter. The result of this cloning was confirmed using different molecular methods such as enzyme digestion and PCR. After gene transformation to papaver somniferum plants the Agro infiltration method was also used for transient expression of COR enzyme. The results of evaluation showed that morphine and codeine were detectable in the leaves of transgenic plants containing cor transgene and there was significant difference in the final production.

【 授权许可】

CC BY   

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