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<p>Zinc-finger protein transcription factor (ZFP) is a protein with a specific structure that regulates various physiological responses and is involved in plant growth and development and abiotic stress. There are fewer investigations on the quinoa zinc finger protein family. Sixty quinoa C2H2-type zinc finger protein transcription factor family members were screened and identified using the quinoa genome database. They were divided into five subfamilies, with varying numbers of zinc finger structural domains and differences in gene structure and sequence features among the members of different subfamilies. The 2000&#xa0;bp region of quinoa's <i>C2H2</i> gene family promoter contains many cis-acting elements that respond to stress-like and hormone-like factors. The sequenced transcriptome data and RT-qPCR analysis revealed that the gene expression of the high-resistant material was higher than that of the sensitive material under flooding stress. Furthermore, the quinoa <i>C2H2</i> gene showed obvious tissue specificity, thus indicating that the quinoa <i>C2H2</i> gene was induced to be expressed under flooding stress, and indirectly suggesting that the <i>C2H2 </i>gene plays a role in flooding stress in quinoa. In this study, we explored the main functions of the <i>C2H2</i> gene of quinoa and its role under flooding stress, which provides an important theoretical basis for studying the role of the <i>C2H2 </i> gene in quinoa flooding stress as well as screening quinoa cultivars that are tolerant to flooding.</p>

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Genome-wide identification and expression analysis of C2H2 zinc finger protein transcription factor in quinoa

  • 期刊论文

  • 发表日期：

    2025年4月21日

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  • Xuqin Wang,
  • Xingmei Zong,
  • Guofei Jiang,
  • Lingyuan Zhang,
  • Yutao Bai,
  • Ping Zhang,
  • Junna Liu,
  • Li Li,
  • Hanxue Li,
  • Liubin Huang,
  • Shan Zhang,
  • Peng Qin

摘要

Zinc-finger protein transcription factor (ZFP) is a protein with a specific structure that regulates various physiological responses and is involved in plant growth and development and abiotic stress. There are fewer investigations on the quinoa zinc finger protein family. Sixty quinoa C2H2-type zinc finger protein transcription factor family members were screened and identified using the quinoa genome database. They were divided into five subfamilies, with varying numbers of zinc finger structural domains and differences in gene structure and sequence features among the members of different subfamilies. The 2000 bp region of quinoa's C2H2 gene family promoter contains many cis-acting elements that respond to stress-like and hormone-like factors. The sequenced transcriptome data and RT-qPCR analysis revealed that the gene expression of the high-resistant material was higher than that of the sensitive material under flooding stress. Furthermore, the quinoa C2H2 gene showed obvious tissue specificity, thus indicating that the quinoa C2H2 gene was induced to be expressed under flooding stress, and indirectly suggesting that the C2H2 gene plays a role in flooding stress in quinoa. In this study, we explored the main functions of the C2H2 gene of quinoa and its role under flooding stress, which provides an important theoretical basis for studying the role of the C2H2 gene in quinoa flooding stress as well as screening quinoa cultivars that are tolerant to flooding.