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Transcriptomics analysis and candidate genes associated with Xinjiang jujube fruits in response to Alternaria alternata infection

文献类型： 外文期刊

作者： Fan, Yingying 1 ; Zhang, Ruili 2 ; Liu, Xiaoqin 2 ; Ma, Yushan 2 ; Wang, Yan 1 ; Liu, Fengjuan 1 ; He, Weizhong 1 ; Wu, Aibo 3 ; Wang, Cheng 1 ;

作者机构： 1.Xinjiang Acad Agr Sci, Inst Qual Stand & Testing Technol Agroprod, Key Lab Agroprod Qual & Safety Xinjiang, Lab Qual & Safety Risk Assessment Agroprod Urumqi, Urumqi 830091, Xinjiang, Peoples R China

2.Tarim Univ, Coll Life Sci, Xinjiang 843300, Peoples R China

3.Univ Chinese Acad Sci, Chinese Acad Sci, Shanghai Inst Nutr & Hlth, SIBS UGENT SJTU Joint Lab Mycotoxin Res,CAS Key La, Shanghai 200031, Peoples R China

4.Xinjiang Acad Agr Sci, Management Sci Res, Urumqi 830091, Xinjiang, Peoples R China

关键词： Alternaria alternata; Jujube; RNA-Seq; Differentially expressed genes; Candidate genes

期刊名称：PHYSIOLOGICAL AND MOLECULAR PLANT PATHOLOGY （ 影响因子：2.741； 五年影响因子：2.576 ）

ISSN： 0885-5765

年卷期： 2022 年 122 卷

页码：

收录情况： SCI

摘要： Black spot disease, caused by Alternaria alternata, is one of the most destructive diseases of jujube worldwide. To better understand the resistance mechanisms of jujube to A. alternata infection, two different cultivars, Zizyphus jujuba Mill. var. Junzao (susceptible) and Zizyphus jujuba Mill. var. Huizao (resistant) were tested. In this study, we identified 2235 differentially expressed genes (DEGs) in the disease-resistant cultivar and 4958 in the sus-ceptible cultivar. Most were associated with plant phytohormone synthesis and signal transduction, flavonoid synthesis, and glutathione metabolism. The expression of six DEGs associated with disease resistance was detected by real-time quantitative polymerase chain reaction (RT-qPCR), consistent with the results of Illumina transcriptome sequencing. Moreover, the distinct expression level of the six DEGs in Jun jujube and Hui jujube, verified that these are defense response factors. The present study identified several candidate resistance genes and signal transduction pathways that may contribute to black spot disease resistance in jujube, which will assist the investigation of resistance mechanisms in the response of jujube to A. alternata infection.

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