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首页> 外文期刊>Biochemistry >Mitochondria-Addressed Cations Decelerate the Leaf Senescence and Death in Arabidopsis thaliana and Increase the Vegetative Period and Improve Crop Structure of the Wheat Triticum aestivum
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Mitochondria-Addressed Cations Decelerate the Leaf Senescence and Death in Arabidopsis thaliana and Increase the Vegetative Period and Improve Crop Structure of the Wheat Triticum aestivum

机译：线粒体定位的阳离子减缓拟南芥叶片的衰老和死亡，并延长营养期并改善小麦小麦的作物结构

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摘要

Plastoquinone or its methylated form covalently bound to the membrane-penetrating decyltriphenylphosphoni-um cation (SkQ1 and SkQ3) retarded the senescence of Arabidopsis thaliana rosette leaves and their death. Dodecyltriphenylphosphonium (C_(12)TPP~+) had a similar effect. Much like SkQl, C_(12)TPP~+ prevented production of reactive oxygen species (ROS) measured by the fluorescence of 2',7'-dichlorofluorescein in mitochondria of the plant cells. SkQl augmented the length of the vegetation period and the common and productive tillering, improved the crop structure and the productivity of the wheat Triticum aestivum. These results indicate that the tested compounds act as antioxidants, that ROS participate in aging and death of A. thaliana leaves, and wheat tillering is increased and the crop structure is improved by SkQ1.
机译：醌醌或它的甲基化形式共价键结合到穿透膜的癸基三苯基膦酸阳离子（SkQ1和SkQ3）上，可以抑制拟南芥玫瑰花叶的衰老及其死亡。十二烷基三苯基phosph（C_（12）TPP〜+）具有相似的作用。与SkQ1十分相似，C_（12）TPP〜+阻止了活性氧物质（ROS）的产生，该活性氧是通过植物细胞线粒体中2'，7'-二氯荧光素的荧光测量的。 SkQl延长了植被期的长度，提高了普通和生产性分till，改善了小麦小麦的作物结构和生产力。这些结果表明，所测试的化合物起着抗氧化剂的作用，ROS参与了拟南芥叶片的衰老和死亡，并且通过SkQ1提高了小麦分till并改善了作物结构。

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