Pan-Genome-Wide Identification and Transcriptome-Wide Analysis of ZIP Genes in Cucumber

Zimo Wang, Mengmeng Yin, Jing Han, Xuehua Wang, Jingshu Chang, Zhonghai Ren and Lina Wang ()
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Zimo Wang: Shandong Collaborative Innovation Center of Fruit & Vegetable Quality and Efficient Production, College of Horticultural Science and Engineering, Shandong Agricultural University, Tai’an 271018, China
Mengmeng Yin: Shandong Collaborative Innovation Center of Fruit & Vegetable Quality and Efficient Production, College of Horticultural Science and Engineering, Shandong Agricultural University, Tai’an 271018, China
Jing Han: College of Agriculture and Agricultural Engineering, Liaocheng University, Liaocheng 252000, China
Xuehua Wang: Shandong Collaborative Innovation Center of Fruit & Vegetable Quality and Efficient Production, College of Horticultural Science and Engineering, Shandong Agricultural University, Tai’an 271018, China
Jingshu Chang: Shandong Collaborative Innovation Center of Fruit & Vegetable Quality and Efficient Production, College of Horticultural Science and Engineering, Shandong Agricultural University, Tai’an 271018, China
Zhonghai Ren: Shandong Collaborative Innovation Center of Fruit & Vegetable Quality and Efficient Production, College of Horticultural Science and Engineering, Shandong Agricultural University, Tai’an 271018, China
Lina Wang: Shandong Collaborative Innovation Center of Fruit & Vegetable Quality and Efficient Production, College of Horticultural Science and Engineering, Shandong Agricultural University, Tai’an 271018, China

Agriculture, 2024, vol. 14, issue 1, 1-19

Abstract: The ZRT/IRT-like proteins (ZIPs) play critical roles in the absorption, transport, and intracellular balance of metal ions essential for various physiological processes in plants. However, little is known about the pan-genomic characteristics and properties of ZIP genes in cucumber ( Cucumis sativus L.). In this study, we identified 10 CsZIP genes from the pan-genome of 13 C . sativus accessions. Among them, only CsZIP10 showed no variation in protein sequence length. We analyzed the gene structure, conserved domains, promoter cis -elements, and phylogenetic relationships of these 10 CsZIP genes derived from “9930”. Based on phylogenetic analysis, the CsZIP genes were classified into three branches. Amino acid sequence comparison revealed the presence of conserved histidine residues in the ZIP proteins. Analysis of promoter cis -elements showed that most promoters contained elements responsive to plant hormones. Expression profiling in different tissues showed that most CsZIP genes were expressed at relatively low levels in C . sativus leaves, stems, and tendrils, and CsZIP7 and CsZIP10 were specifically expressed in roots, indicating their potential involvement in the absorption and transport of metal ions. Transcriptomic data indicated that these 10 ZIP genes displayed responses to both downy mildew and powdery mildew, and CsZIP1 was significantly downregulated after both salt and heat treatments. In conclusion, this study deepens our understanding of the ZIP gene family and enhances our knowledge of the biological functions of CsZIP genes in C . sativus .

Keywords: gene identification; Cucumis sativus; CsZIP (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2024
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