A Rare Sugar, d-Allose, Confers Resistance to Rice Bacterial Blight with Upregulation of Defense-Related Genes in Oryza sativa
A Rare Sugar, d-Allose, Confers Resistance to Rice Bacterial Blight with Upregulation of Defense-Related Genes in Oryza sativa
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DOI：
10.1094/phyto-100-1-0085
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发表时间：
2010-01-01
期刊：
影响因子：
3.2
通讯作者：
Akimitsu, Kazuya
中科院分区：
文献类型：
--
作者：
Kano, Akihito;Gomi, Kenji;Akimitsu, Kazuya
由于三种稀有糖的大规模生产方法的建立，我们研究了水稻对三种稀有糖--D-蔗糖、D-山梨糖和D-异丙糖的反应。D-异丙糖对根的生长和地上部的生长均有明显的抑制作用，而其他稀有糖对根生长和地上部生长的抑制作用不明显。利用水稻基因芯片进行的大规模基因表达分析表明，d-异构体处理导致水稻中许多防御相关、病程相关(PR)蛋白基因的高度上调。PR蛋白基因不被其他稀有糖上调。此外，水稻植株对水稻黄单胞菌白粉病的抗性有限。但其他被测试的糖不是这样。这些结果表明，d-异丙糖具有生长抑制作用，但可能是减少水稻病害发展的候选激发子。
We investigated responses of rice plant to three rare sugars, d-altrose, d-sorbose, and d-allose, due to establishment of mass production methods for these rare sugars. Root growth and shoot growth were significantly inhibited by d-allose but not by the other rare sugars. A large-scale gene expression analysis using a rice microarray revealed that d-allose treatment causes a high upregulation of many defense-related, pathogenesis-related (PR) protein genes in rice. The PR protein genes were not upregulated by other rare sugars. Furthermore, d-allose treatment of rice plants conferred limited resistance of the rice against the pathogen Xanthomonas oryzae pv. oryzae but the other tested sugars did not. These results indicate that d-allose has a growth inhibitory effect but might prove to be a candidate elicitor for reducing disease development in rice.