Comparative RNA-Seq analysis of Nicotiana benthamiana in response to Phytophthora parasitica infection

Comparative RNA-Seq analysis of Nicotiana benthamiana in response to Phytophthora parasitica infection
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本氏烟草对寄生疫霉感染的比较 RNA-Seq 分析

DOI:
10.1007/s10725-016-0163-1
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发表时间:
2016-03
影响因子:
4.2
通讯作者:
Dou Daolong
Dou Daolong
中科院分区:
生物学3区
文献类型:
--
作者:
Shen Danyu;Chai Chunyue;Ma Lina;Zhang Meixiang;Dou Daolong

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寄生疫霉(Phytophthora parasitica)对广泛的农业重要作物和自然生态系统造成严重损害。为了研究植物对寄生疫霉的反应,通过RNA-Seq方法分析了接种和模拟处理的本氏烟草(Nicotiana benthamiana)叶片之间的差异基因表达。5375和3614 N.发现benthamiana基因分别上调和下调。寄生疟原虫感染引发了接种组织中的大规模代谢重编程。与光合作用、淀粉合成和氮同化相关的基因被抑制,而蔗糖降解基因被诱导。值得注意的是,植物防御反应被激活,反映了大量的上调JA和ET信号转导基因,受体样激酶,病程相关基因和转录因子。总的来说,这些结果提供了广泛的见解N。本塞姆氏菌对寄生疫霉的防御机制,推进我们对植物-疫霉相互作用的理解。
Phytophthora parasitica causes serious damage to a broad spectrum of agriculturally important crops and natural ecosystems. To investigate plant responses to P. parasitica, differential gene expressions between inoculated and mock-treated Nicotiana benthamiana leaves were analyzed by RNA-Seq approach. A total of 5375 and 3614 N. benthamiana genes were found to be upregulated and downregulated, respectively. Infection with P. parasitica triggered massive metabolic reprogramming in the inoculated tissues. Genes related to photosynthesis, starch biosynthesis, and nitrogen assimilation were suppressed while sucrose degrading genes were induced. Notably, plant defense responses were activated, reflected by larger number of upregulated JA and ET signaling genes, receptor-like kinases, pathogenesis-related genes, and transcription factors. Collectively, these results provide broad insights into N. benthamiana defense mechanisms against P. parasitca and advance our understanding of plant-Phytophthora interactions.
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