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of负向调控水稻的耐旱性。 （注：原句“of”在这里单独出现很奇怪，可能原文有误，但按照要求逐字翻译如此）

of negatively regulates drought tolerance in rice.

作者信息

Fan Bobo, Nie Hushuai, Li Xiaolei, Ma Yu, Lv Ersuo, Wu Jing, Yan Xiuxiu, Zhai Yongqing, Zhao Yan, Liu Jie, Du Xiaohong, Ma Yanhong

机构信息

Agricultural College, Inner Mongolia Agricultural University, Hohhot, China.

Ecological Environment College, Baotou Teachers' College, Baotou, China.

出版信息

Front Plant Sci. 2025 May 1;16:1514134. doi: 10.3389/fpls.2025.1514134. eCollection 2025.

DOI:10.3389/fpls.2025.1514134
PMID:40376156
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12078277/
Abstract

MADS-box transcription factors are important regulators of plant abiotic stress response. Despite the exceptional drought tolerance of , research on the MADS-box transcription factors governing simulate drought stress in this species are limited. In this study, overexpressing in rice resulted in reduced drought tolerance. Transcriptome sequencing of wild-type (WT) and transgenic rice (OE) at 0 hours of drought and wild-type (WTD) and transgenic rice (OED) at 24 hours of osmotic stress revealed 21,521 differentially expressed genes (DEGs) totally. Further analysis of the top 20 enriched pathways of the DEGs between OE and WT, and between OED and WTD showed that phenylpropanoid biosynthesis and glutathione metabolism were the shared pathways most enriched in DEGs, and photosynthesis-antenna proteins were the shared pathway with the highest enrichment score and significance. Gene regulation in response to osmotic stress was analyzed in the three pathways, showing that, compared to WTD, OED exhibited up-regulation of a few drought-sensitive genes, while most genes positively regulating drought in WTD were down-regulated in OED. Collectively, these results highlight the crucial role of in modulating the synthesis of key enzymes and the expression patterns of drought-responsive genes in three candidate pathways in rice, ultimately reducing drought resistance in rice.

摘要

MADS盒转录因子是植物非生物胁迫响应的重要调节因子。尽管[物种名称]具有卓越的耐旱性，但关于该物种中调控模拟干旱胁迫的MADS盒转录因子的研究却很有限。在本研究中，在水稻中过表达[基因名称]导致耐旱性降低。对干旱0小时的野生型（WT）和转基因水稻（OE）以及渗透胁迫24小时的野生型（WTD）和转基因水稻（OED）进行转录组测序，共鉴定出21,521个差异表达基因（DEG）。进一步分析OE与WT之间以及OED与WTD之间DEG的前20条富集通路，结果表明苯丙烷生物合成和谷胱甘肽代谢是DEG中最富集的共同通路，而光合作用天线蛋白是富集分数和显著性最高的共同通路。对这三条通路中响应渗透胁迫的基因调控进行分析，结果显示，与WTD相比，OED中一些干旱敏感基因上调，而WTD中大多数正向调控干旱的基因在OED中下调。总的来说，这些结果突出了[基因名称]在调节水稻三条候选通路中关键酶的合成以及干旱响应基因的表达模式方面的关键作用，最终降低了水稻的抗旱性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c84c/12078277/e39b749b293f/fpls-16-1514134-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c84c/12078277/02b70ead437d/fpls-16-1514134-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c84c/12078277/12a5b6b90fea/fpls-16-1514134-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c84c/12078277/52c744cf507d/fpls-16-1514134-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c84c/12078277/f54f1c0599f3/fpls-16-1514134-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c84c/12078277/3b3546e05ee2/fpls-16-1514134-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c84c/12078277/bba59160fdb3/fpls-16-1514134-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c84c/12078277/778e383c23d5/fpls-16-1514134-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c84c/12078277/e39b749b293f/fpls-16-1514134-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c84c/12078277/02b70ead437d/fpls-16-1514134-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c84c/12078277/12a5b6b90fea/fpls-16-1514134-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c84c/12078277/52c744cf507d/fpls-16-1514134-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c84c/12078277/f54f1c0599f3/fpls-16-1514134-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c84c/12078277/3b3546e05ee2/fpls-16-1514134-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c84c/12078277/bba59160fdb3/fpls-16-1514134-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c84c/12078277/778e383c23d5/fpls-16-1514134-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c84c/12078277/e39b749b293f/fpls-16-1514134-g008.jpg

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