NO serves as a signaling intermediate downstream of H2O2 to modulate dynamic microtubule cytoskeleton during responses to VD-toxins in Arabidopsis

NO serves as a signaling intermediate downstream of H2O2 to modulate dynamic microtubule cytoskeleton during responses to VD-toxins in Arabidopsis
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NO 作为 H2O2 下游的信号传导中间体,在拟南芥对 VD 毒素的反应过程中调节动态微管细胞骨架

DOI:
10.4161/psb.18768
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发表时间:
2012-02
影响因子:
2.9
通讯作者:
Lin-Lin Yao
Lin-Lin Yao
中科院分区:
生物学4区
文献类型:
--
作者:
Ying-Zhang Li;Bao-Lei Pei;Qun Zhou;Lin-Lin Yao

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虽然过氧化氢(H2 O2)和一氧化氮(NO)可以作为上游信号分子调节拟南芥对大丽轮枝菌(Verticillium dahliae,VD)毒素的防御反应中微管骨架的动态变化,但这两种信号分子之间的关系尚不清楚。在这里,我们表明,VD-毒素诱导的NO积累是依赖于先前的H2 O2的生产,NO是下游的H2 O2的信号转导过程中,和H2 O2协同作用与NO调节动态微管细胞骨架响应VD-毒素在拟南芥。
Although hydrogen peroxide (H2O2) and nitric oxide (NO) can act as an upstream signaling molecule to modulate the dynamic microtubule cytoskeleton during the defense responses to Verticillium dahliae (VD) toxins in Arabidopsis, it is not known the relationship between these two signaling molecules. Here, we show that VD-toxin-induced NO accumulation was dependent on prior H2O2 production, NO is downstream of H2O2 in the signaling process, and that H2O2 acted synergistically with NO to modulate the dynamic microtubule cytoskeleton responses to VD-toxins in Arabidopsis.
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