茉莉酸在根线粒体解体中的作用。
The role of jasmonic acid in root mitochondria disruption.
机构信息
Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán, Mérida, Yucatán, México.
出版信息
Plant Signal Behav. 2012 Jun;7(6):611-4. doi: 10.4161/psb.20070. Epub 2012 May 14.
Abstract
Methyl jasmonate (MeJA) produces an important reduction in the accumulation of proteins related to energy metabolism. The treatment of hairy roots (HR) with MeJA increased the accumulation of H2O2 during the first 48 h and this H2O2 accumulation was also observed in isolated mitochondria. Peroxidase and catalase activities decreased in the presence of MeJA, and this decrease directly correlated with the increase of H2O2 in HR treated with MeJA. This suggests that the H2O2 burst due to MeJA is the initial response to mitochondria disruption in the roots.
摘要
茉莉酸甲酯（MeJA）可显著减少与能量代谢相关的蛋白质积累。MeJA 处理发根（HR）可在最初的 48 小时内增加 H2O2 的积累，这种 H2O2 的积累也在分离的线粒体中观察到。过氧化物酶和过氧化氢酶的活性在 MeJA 存在的情况下降低，并且这种降低与 MeJA 处理的 HR 中 H2O2 的增加直接相关。这表明，由于 MeJA 引起的 H2O2 爆发是根线粒体破坏的初始反应。
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