期刊
GENE
卷 678, 期 -, 页码 143-154出版社
ELSEVIER
DOI: 10.1016/j.gene.2018.08.021
关键词
Tomato; FKBPs; Abiotic stress; PPlase; Isoform
资金
- National Key Research and Development Program [2016YFD0400101]
- National Natural Science Foundation of China [31572175]
- Committee of Science and Technology of Chongqing [cstc2014kjcxljrc0020]
FK506-protein also called FKBP protein belongs to PPIase (peptidylprolylcis-trans isomerase) super family of immune suppressive drugs that act as molecular protein chaperones. In plants, FKBPs are ubiquitous and involved in various biological and physiological processes like plant germination, development, stress response and hormonal signaling. Here, we identified 24 FKBP family genes in tomato by using different tools and bioinformatic approaches. The specific structure, domain organisation, cis-regulatory elements, phylogenetic analysis, multiple sequence alignment, tissue-specific expression patterns and expression under abiotic and phytohormone stresses of all genes were investigated. The genes are clustered on ten tomato chromosomes and are categorised into two sub-classes; single and multiple domains protein gene. One of the main features of tomato FKBPs is their large fractions localized in chloroplast (in silico analysis) and clustered together phylogenetically. Tissue-specific expression analysis using available RNA-seq data revealed the spatiotemporal expression of the FKBPs, but few genes were observed with relatively high expressions in certain developmental stages. However, the quantitative expression profile of all genes under hormone stress provided a supporting evidence for their potential role in hormone signal pathways. Our prediction not only providing the foundation for better understanding the complex physiological regulation of FKBP gene family in tomato but also providing the potential aids to accelerate tolerance and survival in tomato under stressful condition.
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