植物缺铁诱导型香豆素合成及其在铁吸收中的功能研究进展

周婧, 高飞

Advances in Iron Deficiency-induced Coumarin Biosynthesis and Their Functions in Iron Absorption in Plants

Zhou Jing, Gao Fei

图1 拟南芥缺铁诱导型香豆素类化合物生物合成途径 PAL: 苯丙氨酸解氨酶; C4H: 肉桂酸-4-羟化酶; 4CL: 4-香豆酸:辅酶A连接酶; HCT: 羟基肉桂酰辅酶A莽草酸/奎宁酸羟基肉桂酰转移酶; C3′H: 4-香豆酰莽草酸/奎宁酸3′-羟化酶; CCoAOMT: 咖啡酰辅酶A O-甲基转移酶; F6′H1: 阿魏酰辅酶A 6′-羟化酶; COSY: 香豆素合成酶; S8H: 莨菪亭8-羟化酶; CYP82C4: 细胞色素P450家族酶

Figure 1 Biosynthesis pathways of iron deficiency-induced coumarins in Arabidopsis PAL: Phenylalanine ammonia-lyase; C4H: Cinnamate-4-hydroxylase; 4CL: 4-coumarate:CoA ligases; HCT: Hydroxycinnamoyl-CoA shikimate/quinate hydroxycinnamoyl transferase; C3′H: 4-coumaroyl shikimate/quinate 3′-hydroxylase; CCoAOMT: Caffeoyl-CoA O-methyltransferase; F6′H1: Feruloyl-CoA 6′-hydroxylase; COSY: Coumarin synthase; S8H: Scopoletin 8-hydroxylase; CYP82C4: Cytochrome P450 family enzymes