植物挥发物代谢工程在改良香气品质和植物防御中的应用

挥发物次生代谢在植物繁殖、植物防御和改良食物品质方面发挥着重要作用。近年来,随着参与挥发物生物合成的基因和酶类的鉴定以及代谢途径和调控机理等研究的不断发展和深入,挥发物代谢工程已经具备较高的可行性。应用代谢工程改良花、果实的香气品质以及提高植物防御能力的研究成效显著。主要介绍了这些方面的最新进展,同时也讨论了植物挥发物代谢工程应用存在的问题和挑战以及研究思路。

Research Advance in Improvement of Aroma Quality and Plant Defense via Metabolic Engineering

Volatile secondary metabolites play an important role in the reproduction,defense and food quality of plant.Recent advances in the identification of the genes and enzymes responsible for the biosynthesis of volatile compounds have made metabolic engineering highly feasible.Notable successes have been reported in enhancing plant defenses and improving scent and aroma quality of flowers and fruits.These studies also revealed challenges and limitations which would be likely surmounted as understanding of plant...