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1篇 您的检索式：作者名="Viswanathan Chandran"

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		题名	作者	年代	出处	被引量
	1	Osa-miR167d facilitates infection of Magnaporthe oryzae in rice显示文摘MicroRNAs(miRNAs)play important roles in rice response to Magnaporthe oryzae,the causative agent of rice blast disease.Studying the roles of rice miRNAs is of great significance for the disease control.Osa-miR167d belongs to a conserved miRNA family targeting auxin responsive factor(ARF)genes that act in developmental and stress-induced responses.Here,we show that OsamiR167d plays a negative role in rice immunity against M.oryzae by suppressing its target gene.The expression of Osa-miR167d was significantly suppressed in a resistant accession at and after 24 h post inoculation(hpi),however,its expression was significantly increased at 24 hpi in the susceptible accession upon M.oryzae infection.Transgenic rice lines over-expressing Osa-miR167d were highly susceptible to multiple blast fungal strains.By contrast,transgenic lines expressing a target mimicry to block OsamiR167d enhanced resistance to rice blast disease.In addition,knocking out the target gene ARF12 led to hypersusceptibility to multiple blast fungal strains.Taken together,our results indicate that Osa-miR167d negatively regulate rice immunity to facilitate the infection of M.oryzae by downregulating ARF12.Thus,Osa-miR167d-ARF12 regulatory module could be valuable in improvement of blast-disease resistance.	Zhi-Xue Zhao Qin Feng Xiao-Long Cao Yong Zhu He Wang Viswanathan Chandran Jing Fan Ji-Qun Zhao Mei Pu Yan Li Wen-Ming Wang	2020	Journal of Integrative Plant Biology2020，62，5：	3

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