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Genome-Wide Analysis of the Apple (Malus domestica) Cysteine-Rich Receptor-Like Kinase (CRK) Family: Annotation, Genomic Organization, and Expression Profiles in Response to Fungal Infection

文献类型： 外文期刊

作者： Zuo, Cunwu 1 ; Liu, He 1 ; Lv, Qianqian 1 ; Chen, Zhongjian 2 ; Tian, Yuzhen 1 ; Mao, Juan 1 ; Chu, Mingyu 1 ; Ma, Zonghu 1 ;

作者机构： 1.Gansu Agr Univ, Coll Hort, Lanzhou 730070, Gansu, Peoples R China

2.Guangdong Acad Agr Sci, Agrobiol Gene Res Ctr, Guangzhou 510460, Guangdong, Peoples R China

关键词： Apple; Cysteine-rich receptor-like kinase (CRK); Gene duplication; Expressional pattern; Fungal disease resistance

期刊名称：PLANT MOLECULAR BIOLOGY REPORTER （ 影响因子：1.595； 五年影响因子：2.042 ）

ISSN： 0735-9640

年卷期： 2020 年 38 卷 1 期

页码：

收录情况： SCI

摘要： Cysteine-rich receptor-like kinases (CRKs) took crucial roles in plant cell growth and development, as well as environmental adaption. Apple (Malus domestica) had been considered a staple fruit crop and a model of woody plants. In this study, the annotation, evolution, and duplication of the CRK gene family members in apple (MdCRK) were characterized. Besides, we also investigated the expressional patterns of MdCRKs in various tissue types and response to signals from Alternaria alternate apple pathotype (AaAP), Penicillium expansum (Pe), and Valsa mali (Vm). A total of 36 MdCRKs were annotated. The phylogenetic analysis of CRKs among apple, Arabidopsis thaliana, rice (Oryza sativa), cotton (Gossypium hirsutum), banana (Musa acuminata), and tomato (Solanum lycopersicum) revealed the distinct evolutionary characteristics in plants. Based on gene duplication analysis, seven tandem gene clusters containing 24 members and ten segmental gene pairs were found from MdCRKs. A large number segmental gene pairs were identified from CRKs between apple and cotton. Abscisic acid (ABA) and methyl jasmonate (MeJA)-responsive cis-elements were discovered from the promoter region of most MdCRKs. MdCRKs showed distinct tissue and developmental expression patterns. Most members displayed distinct expression patterns among various tissue types. Six members were differentially expressed in response to signals from at least two pathogenic fungi. Our study provides valuable information for further studies on the evolution and functional investigation on disease resistance of CRKs.

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