图5. NO清除剂(c-PTIO)或合成抑制剂(L-NAME)对干旱条件下AtMYB77过表达株系侧根生长和发育关键基因表达的影响
(A) NO清除剂或合成抑制剂对干旱胁迫下AtMYB77过表达株系根系生长的影响(Bar=1 cm); (B) NO清除剂或合成抑制剂对干旱条件下AtMYB77过表达株系侧根数目的影响; (C) NO清除剂或合成抑制剂对干旱条件下AtMYB77过表达株系侧根长度的影响; (D) NO清除剂或合成抑制剂对干旱条件下AtMYB77过表达株系根部AtCYCA2;1表达量的影响; (E) NO清除剂或合成抑制剂对干旱条件下AtMYB77过表达株系根部AtCDKA;1表达量的影响。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 5. Effects of NO scavenger (c-PTIO) or biosynthesis inhibitor (L-NAME) on lateral root growth and expression of lateral root development related genes in AtMYB77 overexpression lines under drought condition
(A) The effects of NO scavenger or biosynthesis inhibitor on root growth of AtMYB77 overexpression lines subjected to drought stress (Bar=1 cm); (B) The effects of NO scavenger or biosynthesis inhibitor on lateral root number of AtMYB77 overexpression lines under drought condition; (C) The effects of NO scavenger or biosynthesis inhibitor on lateral root length of AtMYB77 overexpression lines under drought condition; (D) The effects of NO scavenger or biosynthesis inhibitor on relative expression level of AtCYCA2;1 in AtMYB77 overexpression lines under drought condition; (E) The effects of NO scavenger or biosynthesis inhibitor on relative expression level of AtCDKA;1 in AtMYB77 overexpression lines under drought condition. CK: Control; WT: Wild type. Different lowercase letters indicate significant differences among different treatments of different lines at P<0.05.