Responses of grapevine cells to physiological doses of ethanol, including induced resistance to heat stress

IF 3.6 3区 生物学 Q1 PLANT SCIENCES
Plant Biology Pub Date : 2025-06-16 DOI:10.1111/plb.70064
A. Diot, G. Madignier, O. Di Valentin, A. Djari, E. Maza, Y. Chen, S. Blanchet, C. Chervin
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引用次数: 0

Abstract

Abstract Image

葡萄细胞对生理剂量乙醇的反应,包括诱导对热应激的抗性。
葡萄藤自然会受到高温、干旱和缺氧等压力的影响。最近的一项研究发现,葡萄浆果中的氧气含量很低,这与乙醇含量有关。其他的研究已经证实了乙醇和对各种压力的耐受性之间的联系:热、干旱和高盐度。造成这种偏差的原因尚不清楚。在我们的研究中,对3周龄Gamay愈伤组织,Vitis vinifera进行了内源氧和乙醇浓度的表征。我们进行了一项全球转录组学研究,以探索葡萄细胞对乙醇的反应,据我们所知,这是第一次在植物中进行这样的分析。1 mM乙醇处理后6和24 h对细胞进行RNA-seq分析。6 h后,乙醇导致386个差异表达基因(deg),与热反应相关的基因显著上调,尤其是小热休克蛋白(sHSPs)。进一步的实验表明,在葡萄细胞和拟南芥幼苗中,乙醇分别减少了热胁迫下色素和电解质的泄漏。这项研究支持了乙醇启动有助于保护植物免受热胁迫的观点,并为进一步研究潜在机制提供了有价值的RNA-seq数据集,其中sHSPs在这种适应性反应中发挥了潜在的关键作用。
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来源期刊
Plant Biology
Plant Biology 生物-植物科学
CiteScore
8.20
自引率
2.60%
发文量
109
审稿时长
3 months
期刊介绍: Plant Biology is an international journal of broad scope bringing together the different subdisciplines, such as physiology, molecular biology, cell biology, development, genetics, systematics, ecology, evolution, ecophysiology, plant-microbe interactions, and mycology. Plant Biology publishes original problem-oriented full-length research papers, short research papers, and review articles. Discussion of hot topics and provocative opinion articles are published under the heading Acute Views. From a multidisciplinary perspective, Plant Biology will provide a platform for publication, information and debate, encompassing all areas which fall within the scope of plant science.
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