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Background <p>As one of the largest families of transcription factors (TFs), the <i>WRKY</i> gene family plays a significant role in plant growth, development, and response to hormone and environmental stress. Currently, there is no systematic analysis of the <i>WRKY</i> gene family in <i>Artocarpus nanchuanensis</i>.</p> Results <p>To explore its evolutionary mechanism and potential function, we performed a comprehensive analysis. A total of 113 <i>AnWRKYs</i> were identified, and 109 were mapped onto 28 chromosomes. These genes could be classified into 3 groups (Group I, Group IIa-IIe, Group III) based on phylogenetic analysis and the sequence characteristics of the AnWRKY domain. Syntenic analyses revealed 4 pairs of tandem repeats and 123 pairs of large fragment repeats. Furthermore, the expression profiles of <i>AnWRKYs</i> in roots, stems, and leaves showed that <i>AnWRKYs</i> had different spatial expression patterns. <i>AnWRKY2</i>, <i>AnWRKY14</i>, <i>AnWRKY46</i>, <i>AnWRKY55</i>, and <i>AnWRKY105</i> may play important roles in the response to abiotic stress. In addition, subcellular localization analysis indicated that AnWRKY55 was localized in the nucleus.</p> Conclusions <p>This study is the first to report the identification and characterization of <i>AnWRKYs</i> in <i>A. nanchuanensis</i> and provides an important basis for future comprehensive evolutionary and functional analyses of <i>AnWRKYs</i> in <i>A. nanchuanensis</i>.</p>

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Genome-Wide identification and expression profiles of the WRKY transcription factor family in Artocarpus nanchuanensis

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年7月17日

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  • Xiao Zhang,
  • Changying Xia,
  • Shiqi You,
  • Yunli Chen,
  • Youwei Zuo,
  • Huan Zhang,
  • Wenqiao Li,
  • Zhe Zhang,
  • Hongping Deng

摘要

Background

As one of the largest families of transcription factors (TFs), the WRKY gene family plays a significant role in plant growth, development, and response to hormone and environmental stress. Currently, there is no systematic analysis of the WRKY gene family in Artocarpus nanchuanensis.

Results

To explore its evolutionary mechanism and potential function, we performed a comprehensive analysis. A total of 113 AnWRKYs were identified, and 109 were mapped onto 28 chromosomes. These genes could be classified into 3 groups (Group I, Group IIa-IIe, Group III) based on phylogenetic analysis and the sequence characteristics of the AnWRKY domain. Syntenic analyses revealed 4 pairs of tandem repeats and 123 pairs of large fragment repeats. Furthermore, the expression profiles of AnWRKYs in roots, stems, and leaves showed that AnWRKYs had different spatial expression patterns. AnWRKY2, AnWRKY14, AnWRKY46, AnWRKY55, and AnWRKY105 may play important roles in the response to abiotic stress. In addition, subcellular localization analysis indicated that AnWRKY55 was localized in the nucleus.

Conclusions

This study is the first to report the identification and characterization of AnWRKYs in A. nanchuanensis and provides an important basis for future comprehensive evolutionary and functional analyses of AnWRKYs in A. nanchuanensis.