Response of aliphatic glucosinolate biosynthesis to signaling molecules in MAM gene knockout mutants of Arabidopsis
Response of aliphatic glucosinolate biosynthesis to signaling molecules in MAM gene knockout mutants of Arabidopsis
复制标题
拟南芥MAM基因敲除突变体中脂肪族芥子油苷生物合成对信号分子的响应
DOI：
10.5511/plantbiotechnology.13.0523a
复制
发表时间：
2013-01-01
影响因子：
1.6
通讯作者：
Yan, Xiufeng
中科院分区：
文献类型：
--
作者：
Li, Yimeng;Tang, Xiaoyan;Yan, Xiufeng
拟南芥中的脂肪族硫代葡萄糖苷（AGSL）是由具有不同侧链长度的甲硫氨酸衍生物合成的，所述甲硫氨酸衍生物由甲硫氨酸通过涉及MAM1和MAM3的链延伸循环形成。AGSL的生物合成受到防御信号分子的高度影响，包括茉莉酸、水杨酸和乙烯。在野生型拟南芥中，MAM基因对外源激素的响应表现出不同的诱导模式。MAM基因单敲除突变体AGSL含量的变化规律与野生型相比有明显的差异，表明MAM1和MAM3在AGSL响应激素变化的多样性中起重要作用。
Aliphatic glucosinolates (AGSLs) in Arabidopsis thaliana are synthesized from methionine derivatives with various side-chain length that are formed from methionine via chain elongation cycle involving MAM1 and MAM3. Biosynthesis of AGSLs is highly affected by defense signaling molecules, including jasmonic acid, salicylic acid and ethylene. In response to exogenously-applied these phytohormones, MAM genes exhibited different induction patterns in Wildtype of Arabidopsis. The changing patterns of AGSL contents were distinctive in single knockout mutants of MAM genes compared with those in Wild-type, suggesting that MAM1 and MAM3 play an important role in the diversity of AGSL profiles in response to hormonal changes.