Hrip1 enhances tomato resistance to yellow leaf curl virus by manipulating the phenylpropanoid biosynthesis and plant hormone pathway
文献类型： 外文期刊
作者： Dong, Yijie 1 ; Zhu, Honghui 1 ; Qiu, Dewen 2 ;
作者机构： 1.Guangdong Acad Sci, Inst Microbiol, Guangdong Microbial Culture Collect Ctr GDMCC, Key Lab Agr Microbiom & Precis Applicat,Guangdong, Guangzhou 510070, Peoples R China
2.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Key Lab Control Biol Hazard Factors Plant Origin A, Beijing 100081, Peoples R China
关键词： Pathogen-associated molecular patterns (PAMPs); Hrip1; Tomato resistance to virus; Tomato yellow leaf curl virus (TYLCV); Transcriptional and posttranscriptional regulation
期刊名称：3 BIOTECH （ 影响因子：2.893； 五年影响因子：3.446 ）
ISSN： 2190-572X
年卷期： 2023 年 13 卷 1 期
页码：
收录情况： SCI
摘要： Tomato yellow leaf curl virus (TYLCV) causes tremendous losses of tomato worldwide. An elicitor Hrip1, which produced by Alternaria tenuissima, can serve as a pathogen-associated molecular patterns (PAMPs) to trigger the immune defense response in Nicotiana benthamiana. Here, we show that Hrip1 can be targeted to the extracellular space and significantly delayed the development of symptoms caused by TYLCV in tomato. In basis of RNA-seq profiling, we find that 1621 differential expression genes (DEGs) with the opposite expression patterns are enriched in plant response to biotic stress between Hrip1 treatment and TYLCV infection of tomato. Thirty-two known differential expression miRNAs with the opposite expression patterns are identified by small RNA sequencing and the target genes of these miRNAs are significantly enriched in phenylpropanoid biosynthesis, plant hormone signal transduction and peroxisome. Based on the Pearson correlation analysis, 13 negative and 21 positive correlations are observed between differential expression miRNAs and DEGs. These miRNAs, which act as a key mediator of tomato resistance to TYLCV induced by Hrip1, regulate the expression of phenylpropanoid biosynthesis and plant hormone signal transduction-related genes. Taken together, our results provide an insight into tomato resistance to TYLCV induced by PAMP at transcriptional and posttranscriptional levels.
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