Determination of anthracnose (Colletotrichum fructicola) resistance mechanism using transcriptome analysis of resistant and susceptible pear (Pyrus pyrifolia)
文献类型： 外文期刊
作者： Tang, Xiaomei 1 ; Lu, Fen 1 ; Xiao, Ziwen 1 ; Wang, Yue 1 ; Hu, Guoqing 1 ; Cai, Kexin 1 ; Yin, Ruichang 1 ; Song, Wei 1 ; Xie, Luoluo 1 ; Guo, Guoling 1 ; Wang, Wenming 2 ; Liu, Lun 1 ; Liu, Li 1 ; Ye, Zhenfeng 1 ; Heng, Wei 1 ; Guo, Xianping 3 ; Wang, Dongsheng 3 ; Jia, Bing 1 ;
作者机构： 1.Anhui Agr Univ, Sch Hort, Anhui Prov Key Lab Hort Crop Qual Biol, Hefei 230036, Peoples R China
2.Sat Sci & Technol Shexian, Huangshan, Anhui Prov, Peoples R China
3.Henan Acad Agr Sci, Inst Hort, Zhengzhou 450002, Henan Prov, Peoples R China
关键词： Pear; Colletotrichum fructicola; Disease resistance; RNA sequencing; MAPK signaling; Calcium signaling
期刊名称：BMC PLANT BIOLOGY （ 影响因子：4.3； 五年影响因子：5.2 ）
ISSN： 1471-2229
年卷期： 2024 年 24 卷 1 期
页码：
收录情况： SCI
摘要： Background Anthracnose, mainly caused by Colletotrichum fructicola, leads to severe losses in pear production. However, there is limited information available regarding the molecular response to anthracnose in pears. Results In this study, the anthracnose-resistant variety 'Seli' and susceptible pear cultivar 'Cuiguan' were subjected to transcriptome analysis following C. fructicola inoculation at 6 and 24 h using RNA sequencing. A total of 3186 differentially expressed genes were detected in 'Seli' and 'Cuiguan' using Illumina sequencing technology. Gene Ontology and Kyoto Encyclopedia of Genes and Genomes pathway analyses indicated that the transcriptional response of pears to C. fructicola infection included responses to reactive oxygen species, phytohormone signaling, phenylpropanoid biosynthesis, and secondary metabolite biosynthetic processes. Moreover, the mitogen-activated protein kinase (MAPK) signaling pathway and phenylpropanoid biosynthesis were involved in the defense of 'Seli'. Furthermore, the gene coexpression network data showed that genes related to plant-pathogen interactions were associated with C. fructicola resistance in 'Seli' at the early stage. Conclusion Our results showed that the activation of specific genes in MAPK, calcium signaling pathways and phenylpropanoid biosynthesis was highly related to C. fructicola resistance in 'Seli' and providing several potential candidate genes for breeding anthracnose-resistant pear varieties.
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