Previous evidence showed that an increase in [ ca2 + ] cyt has been shown to be an early event in the aba signal transduction pathway , and ca2 + channels at the plasma membrane of stomatal guard cells are activated by hyperpolarization and aba Assmann已提出較為完善的氣孔保衛(wèi)細(xì)胞信號(hào)轉(zhuǎn)導(dǎo)模式,但是對(duì)于aba信號(hào)轉(zhuǎn)導(dǎo)的一些中間環(huán)節(jié)仍是人們不斷探討的問題。