Abstract
Stilbenes are natural phenolic compounds which function as antimicrobial phytoalexins in plants and affect human health as cardioprotective, antibaceteria, antioxidative and antineoplastic agents. In this review, the progresses of study on relevant enzymes, genes, and regulation mechanism in biosynthesis pathway of stilbenes are described. Here we introduce a holistic and systematic method of researching relevant enzymes, genes and other regulatory factors in biosynthesis pathway of stilbenes—Systems biology. The application of knowledge of relative enzymes, genes and regulation mechanisms in stilbenes biosynthesis in metabolic engineering which is used as a tool of improving the disease resistance of plants and health caring quality of crops is also discussed.
Highlights
Stilbenes, a kind of phytoalexins, are low-molecular-weight defensive substances produced by plants in response to infection after exposure to microorganisms
When we study stilbenes with thinking model of systems biology, various levels of information including the DNA, mRNA, small molecules, proteins and protein interaction networks should to be integrated in order to obtain a series of relevent enzymes, genes or regulatory factors in it’s biosynthesis pathway
Plant secondary metabolism is a complicated dynamic process which is regulated by plant genetic background and growth process, affected by ecological environment and pathogen infection, insect feeding and stimulation of various elicitor
Summary
A kind of phytoalexins, are low-molecular-weight defensive substances produced by plants in response to infection after exposure to microorganisms. They are widely distributed in the plant kingdom, being reported from bryophytes and pteridophytes through gymnosperms and angiosperms. Some success has been achieved in the metabolic regulation and gene engineering of stilbenes Their detailed biosynthesis pathways and metabolic regulation, especially complicated regulation mechanism and expressing of genes and enzymes are unknown. The elucidating of stilbenes’ biosynthesis pathway and regulation mechanism is believed to contribute to improve the disease resistance of plants and health caring quality of crops and provide an opportunity to know more. About global regulation networks and coordination between each pathway of secondary metabolism
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