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<p>Members of the Jumonji C (JMJ) domain-containing gene family are key regulators of epigenetic modifications and chromatin remodeling in plants. These genes act as essential modulators of plant development and stress responses due to their diverse biological functions. This review provides a comprehensive overview of <i>JMJ</i> gene functions, focusing on their dynamic expression patterns during growth, flowering, fruit ripening, circadian regulation, and in response to abiotic and biotic stresses, underscoring their role in maintaining plant homeostasis. We also explore the genomic structure and cis-regulatory elements of <i>JMJ</i> genes to understand the transcriptional networks governing their expression. The integration of genomic, transcriptomic, and regulatory datasets highlights their potential as targets for crop improvement. Intriguingly, interaction network analyses reveal that multiple <i>JMJ</i> genes may act on shared targets, raising important questions about their functional specificity and cooperative regulation. Particularly, the role of <i>OsJMJ704</i> as a universal switch for fungal resistance, the interplay of <i>SlJMJ3</i>, <i>SlJMJ6</i>, and <i>SlJMJ7</i> in fruit ripening, and the dual functions of <i>OsJMJ706</i>, <i>OsJMJ705</i>, and <i>AtJMJ14</i> in flowering and developmental processes collectively highlight the remarkable versatility and regulatory potential of JMJ gene family members. In conclusion, deeper insights into the <i>JMJ</i> gene family through comparative genomics and network-based approaches will advance our understanding of their roles in plant development and stress resilience, offering promising avenues for future research and sustainable crop enhancement.</p>

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Histone demethylation by JMJ family genes: insights into plant growth and adaptation

  • 期刊论文

  • 发表日期：

    2025年10月20日

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  • Theboral Jeevaraj,
  • Anisha Blessy,
  • Sneha Krishnamoorthy,
  • Aishwarya Sridhar

摘要

Members of the Jumonji C (JMJ) domain-containing gene family are key regulators of epigenetic modifications and chromatin remodeling in plants. These genes act as essential modulators of plant development and stress responses due to their diverse biological functions. This review provides a comprehensive overview of JMJ gene functions, focusing on their dynamic expression patterns during growth, flowering, fruit ripening, circadian regulation, and in response to abiotic and biotic stresses, underscoring their role in maintaining plant homeostasis. We also explore the genomic structure and cis-regulatory elements of JMJ genes to understand the transcriptional networks governing their expression. The integration of genomic, transcriptomic, and regulatory datasets highlights their potential as targets for crop improvement. Intriguingly, interaction network analyses reveal that multiple JMJ genes may act on shared targets, raising important questions about their functional specificity and cooperative regulation. Particularly, the role of OsJMJ704 as a universal switch for fungal resistance, the interplay of SlJMJ3, SlJMJ6, and SlJMJ7 in fruit ripening, and the dual functions of OsJMJ706, OsJMJ705, and AtJMJ14 in flowering and developmental processes collectively highlight the remarkable versatility and regulatory potential of JMJ gene family members. In conclusion, deeper insights into the JMJ gene family through comparative genomics and network-based approaches will advance our understanding of their roles in plant development and stress resilience, offering promising avenues for future research and sustainable crop enhancement.