脱落酸代谢与信号传递及其调控种子休眠与萌发的分子机制
|
宋松泉 1,4,刘军 2,徐恒恒 2,刘旭 3(  ),黄荟 4
|
ABA Metabolism and Signaling and Their Molecular Mechanism Regulating Seed Dormancy and Germination
|
SONG SongQuan 1,4,LIU Jun 2,XU HengHeng 2,LIU Xu 3(  ),HUANG Hui 4
|
|
图1. ABA生物合成和分解代谢途径(根据DEJONGHE等[13]修改) ABA前体是由甲基赤藓糖醇磷酸(MEP)途径合成的。酶用红色表示。ZEP:玉米黄质环氧化酶;NSY:新黄质合酶;NCED:9-顺式-环氧类胡萝卜素双加氧酶;XD:黄氧素脱氢酶;ABAO:脱落醛氧化酶;CYP707A:ABA 8'-羟化酶;ABH1:红花菜豆酸还原酶1;ABAGT:ABA葡糖基转移酶;βG:β-葡糖苷酶。酶的抑制剂用蓝色表示。(+)-9'-AABA:(+)-9'-乙炔-ABA;AHI4:ABA 8'-羟化酶抑制剂4;(+)-8'-MABA:(+)-8'-次甲基-ABA;NDGA:去甲二氢愈创木酸;SLCCD13:类倍半萜类胡萝卜素裂解双加氧酶抑制剂13
|
Fig. 1. ABA biosynthetic and catabolic pathways (Modified from DEJONGHE et al.[13]) ABA precursor is synthesized from the methylerythritol phosphate (MEP) pathway. Enzymes are shown in red colour. ZEP: Zeaxanthin epoxidase; NSY: Neoxanthin synthase; NCED: 9-cis-epoxycarotenoid dioxygenase; XD: Xanthoxin dehydrogenase; ABAO: Abscisic aldehyde oxidase; CYP707A: ABA 8'-hydroxylase; ABH1: Phaseic acid reductase 1; ABAGT: ABA glucosyltransferase; βG: β-glucosidase. Enzyme inhibitors are shown in blue colour. (+)-9'-AABA: (+)-9'-acetylene-ABA; AHI4: ABA-8'-hydroxylase inhibitor 4; (+)-8'-MABA: (+)-8'-methylidyne-ABA; NDGA: Nordihydroguaiaretic acid; SLCCD13: Sesquiterpene-like carotenoid cleavage dioxygenase inhibitor 13
|
|
 |
|
|