AtMYB77促进NO合成参与调控干旱胁迫下拟南芥侧根发育

车永梅^†, 孙艳君^†, 卢松冲, 侯丽霞, 范欣欣, 刘新^*(

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AtMYB77 Involves in Lateral Root Development via Regulating Nitric Oxide Biosynthesis under Drought Stress in Arabidopsis thaliana

Yongmei Che^†, Yanjun Sun^†, Songchong Lu, Lixia Hou, Xinxin Fan, Xin Liu^*(

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图4. NO供体硝普钠(SNP)对干旱条件下拟南芥Atmyb77-1缺失突变体侧根生长和发育关键基因表达的影响
(A) SNP对干旱胁迫下Atmyb77-1突变体根系生长的影响(Bar=1 cm); (B) SNP对干旱条件下Atmyb77-1缺失突变体侧根数目的影响; (C) SNP对干旱条件下Atmyb77-1缺失突变体侧根长度的影响; (D) SNP对干旱条件下Atmyb77-1缺失突变体AtCYCA2;1表达的影响; (E) SNP对干旱条件下Atmyb77-1缺失突变体AtCDKA;1表达的影响。CK: 对照; WT: 野生型。不同小写字母表示不同株系的不同处理间差异显著(P<0.05)。

Figure 4. Effects of NO donor sodium nitroprusside (SNP) on lateral root growth and expression of lateral root development related genes in Arabidopsis Atmyb77-1 mutant under drought condition
(A) The effect of SNP on root growth of Atmyb77-1 mutant under drought stress (Bar=1 cm); (B) The effect of SNP on lateral root number in Atmyb77-1 mutant under drought condition; (C) The effect of SNP on lateral root length in Atmyb77-1 mutant under drought condition; (D) The effect of SNP on relative expression level of AtCYCA2;1 in Atmyb77-1 mutant root under drought condition; (E) The effect of SNP on relative expression level of AtCDKA;1 in Atmyb77-1 mutant root under drought condition. CK: Control; WT: Wild type. Different lowercase letters indicate significant differences among different treatments of different lines at P<0.05.