Alternative oxidase functions in the excess excitation energy-induced resistance to pathogen infection
Alternative oxidase functions in the excess excitation energy-induced resistance to pathogen infection
复制标题
替代氧化酶在过量激发能量诱导的病原体感染抵抗力中发挥作用
DOI：
10.2478/s11756-018-0018-5
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发表时间：
2018-02
期刊：
影响因子：
1.5
通讯作者：
Wen Jing
中科院分区：
文献类型：
--
作者：
Hou Qin zheng;Sun Kun;Jia Ling yun;Liang Jun yu;Xiel Jia Jia;Lu Li na;Feng Han qing;Wen Jing
Although excess excitation energy (EEE) can damage the photosynthetic apparatus and deregulate many cellular processes, some studies have reported that EEE can be used by plants to optimize the resistance to pathogen infection. Here, we investigated whether the EEE-induced resistance to pathogen infection might be mediated by mitochondrial alternative oxidase (AOX). The present work showed that exposure of Arabidopsis (Arabidopsis thaliana) leaves to short-term excess light or treatment of Arabidopsis leaves with the electron transport inhibitor, DBMIB (2,5-dibromo-3-methyl-6-isopropyl-p-benzoquinone), restricted the growth of virulent biotrophic bacteria, Pseudomonas syringae pv tomato (Pst) DC3000. Exposure to short-term excess light or DBMIB treatment also enhanced the level of the capacity of the cyanide-resistant respiration of the infected leaves. The lack of AOX1a gene in the AtAOX1a anti-sense line attenuated the excess light- or DBMIB-induced resistance toward Pst DC3000. These results indicate that AOX may play a role in regulating the EEE-induced resistance to virulent pathogen infection.
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影响因子：
3.7
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通讯作者：
Xing D
影响因子：
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Mullineaux, P
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