Comprehensive identification and expression analysis of Hsp90s gene family in Solanum lycopersicum
文献类型: 外文期刊
作者: Zai, W. S. 1 ; Miao, L. X. 3 ; Xiong, Z. L. 1 ; Zhang, H. L. 1 ; Ma, Y. R. 1 ; Li, Y. L. 1 ; Chen, Y. B. 1 ; Ye, S. G. 1 ;
作者机构: 1.Wenzhou Vocat Coll Sci & Technol, Wenzhou, Zhejiang, Peoples R China
2.Wenzhou Acad Agr Sci, Inst Vegetable Crops, Wenzhou, Zhejiang, Peoples R China
3.Zhejiang Acad Agr Sci, Inst Hort, Hangzhou, Zhejiang, Peoples R China
关键词: Expression analysis;Gene duplication;Heat shock protein;Tomato
期刊名称:GENETICS AND MOLECULAR RESEARCH ( 影响因子:0.764; 五年影响因子:0.912 )
ISSN: 1676-5680
年卷期: 2015 年 14 卷 3 期
页码:
收录情况: SCI
摘要: Heat shock protein 90 (Hsp90) is a protein produced by plants in response to adverse environmental stresses. In this study, we identified and analyzed Hsp90 gene family members using a bioinformatic method based on genomic data from tomato (Solanum lycopersicum L.). The results illustrated that tomato contains at least 7 Hsp90 genes distributed on 6 chromosomes; protein lengths ranged from 267-794 amino acids. Intron numbers ranged from 2-19 in the genes. The phylogenetic tree revealed that Hsp90 genes in tomato (Solanum lycopersicum L.), rice (Oryza sativa L.), and Arabidopsis (Arabidopsis thaliana L.) could be divided into 5 groups, which included 3 pairs of orthologous genes and 4 pairs of paralogous genes. Expression analysis of RNA-sequence data showed that the Hsp90-1 gene was specifically expressed in mature fruits, while Hsp90-5 and Hsp90-6 showed opposite expression patterns in various tissues of cultivated and wild tomatoes. The expression levels of the Hsp90-1, Hsp90-2, and Hsp90-3 genes in various tissues of cultivated tomatoes were high, while both the expression levels of genes Hsp90-3 and Hsp90-4 were low. Additionally, quantitative real-time polymerase chain reaction showed that these genes were involved in the responses to yellow leaf curl virus in tomato plant leaves. Our results provide a foundation for identifying the function of the Hsp90 gene in tomato.
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