ZmSIDP1, a DUF1644 gene from the halophyte Zoysia matrella, positively regulates salt tolerance in rice.

IF 6.1 2区生物学 Q1 PLANT SCIENCES

Plant Physiology and Biochemistry Pub Date : 2025-01-13 DOI:10.1016/j.plaphy.2025.109505

Xiaohui Li, Yu Chen, Haoran Wang, Jingya Xu, Ling Zhang, Jianxiu Liu, Jianjian Li

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引用次数: 0

Abstract

As a detrimental abiotic stressor, salinity affects plant growth and yield. Domain of unknown function 1644 (DUF1644) is a large plant-specific DUF protein family that is predicted to be involved in abiotic stress responses in plants. However, the biological functions of DUF1644 genes in plants remain largely unexplored, especially in halophytes. Here, we investigated the function of the DUF1644 gene, ZmSIDP1, from the halophyte Zoysia matrella. ZmSIDP1 could enhance the salt tolerance of yeast. Furthermore, the heterologous transformation of the ZmSIDP1 gene in rice demonstrated that transgenic rice plants exhibited better growth under NaCl treatment. The Na ⁺ content was lower in ZmSIDP1 transgenic rice than in wild-type rice under salt stress. ZmSIDP1 transgenic rice showed stronger resistance to oxidative stress induced by salt stress. Further investigation indicated that ZmSIDP1 could interact with an HD-Zip transcription factor, ZmROC1. These results suggest that the ZmSIDP1 gene from the halophyte Z. matrella can positively regulate salt resistance in rice, laying a foundation for the application of salt tolerance genes from halophytes to enhance salt tolerance in rice.

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ZmSIDP1是盐生植物结缕草DUF1644基因，对水稻耐盐性具有正向调控作用。

盐度作为一种有害的非生物胁迫源，影响植物的生长和产量。未知功能域1644 （Domain of unknown function 1644, DUF1644）是一个大型的植物特异性DUF蛋白家族，被认为参与植物的非生物胁迫反应。然而，DUF1644基因在植物中的生物学功能，特别是在盐生植物中的生物学功能仍未得到充分的研究。在这里，我们研究了盐生植物结缕草DUF1644基因ZmSIDP1的功能。ZmSIDP1可以增强酵母的耐盐性。此外，ZmSIDP1基因在水稻中的异源转化表明，转基因水稻在NaCl处理下表现出更好的生长。盐胁迫下，ZmSIDP1转基因水稻的Na +含量低于野生型水稻。ZmSIDP1转基因水稻对盐胁迫诱导的氧化胁迫表现出更强的抗性。进一步的研究表明，ZmSIDP1可以与HD-Zip转录因子ZmROC1相互作用。上述结果表明，盐生植物ZmSIDP1基因对水稻耐盐性具有正向调控作用，为利用盐生植物耐盐基因增强水稻耐盐性奠定了基础。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Plant Physiology and Biochemistry 生物-植物科学

CiteScore

11.10

自引率

3.10%

发文量

410

审稿时长

33 days

期刊介绍： Plant Physiology and Biochemistry publishes original theoretical, experimental and technical contributions in the various fields of plant physiology (biochemistry, physiology, structure, genetics, plant-microbe interactions, etc.) at diverse levels of integration (molecular, subcellular, cellular, organ, whole plant, environmental). Opinions expressed in the journal are the sole responsibility of the authors and publication does not imply the editors'' agreement. Manuscripts describing molecular-genetic and/or gene expression data that are not integrated with biochemical analysis and/or actual measurements of plant physiological processes are not suitable for PPB. Also "Omics" studies (transcriptomics, proteomics, metabolomics, etc.) reporting descriptive analysis without an element of functional validation assays, will not be considered. Similarly, applied agronomic or phytochemical studies that generate no new, fundamental insights in plant physiological and/or biochemical processes are not suitable for publication in PPB. Plant Physiology and Biochemistry publishes several types of articles: Reviews, Papers and Short Papers. Articles for Reviews are either invited by the editor or proposed by the authors for the editor''s prior agreement. Reviews should not exceed 40 typewritten pages and Short Papers no more than approximately 8 typewritten pages. The fundamental character of Plant Physiology and Biochemistry remains that of a journal for original results.