Elevated CO2 alters soybean physiology and defense responses, and has disparate effects on susceptibility to diverse microbial pathogens

IF 8.1 1区生物学 Q1 PLANT SCIENCES New Phytologist Pub Date : 2025-01-09 DOI:10.1111/nph.20364

Melissa Bredow, Ekkachai Khwanbua, Aline Sartor Chicowski, Yunhui Qi, Matthew W. Breitzman, Katerina L. Holan, Peng Liu, Michelle A. Graham, Steven A. Whitham

引用次数: 0

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升高的CO2改变了大豆的生理和防御反应，并对不同微生物病原体的敏感性有不同的影响

大气CO2浓度的增加会产生多种影响，影响植物对微生物病原体的反应。然而，这些反应是不同的，并且预测二氧化碳（eCO2）升高如何影响特定植物与病原体的相互作用是具有挑战性的。我们研究了eCO2如何影响主要油料作物大豆的疾病发展和对多种病原体的反应。在环境CO2 （aCO2，百万分之419）或eCO2 （550 ppm）中生长的大豆植物受到细菌、病毒、真菌和卵菌病原体的挑战。疾病严重程度、病原体生长、基因表达和分子植物防御反应被量化。在eCO2中，植物对丁香假单胞菌pv的敏感性较低。但对豆荚斑驳病毒、大豆花叶病毒和镰刀菌更敏感。尽管eCO2的生物量损失更大，但对sylvatium的敏感性没有变化。Psg易感性降低与防御反应增强相关。对病毒的易感性增加与抗病毒防御的表达减少有关。这项工作为了解未来eCO2水平如何影响大豆对病原体挑战的分子反应提供了基础，并表明微生物感染茎和根在未来气候条件下是潜在的问题。

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来源期刊

New Phytologist 生物-植物科学

自引率

5.30%

发文量

728

期刊介绍： New Phytologist is an international electronic journal published 24 times a year. It is owned by the New Phytologist Foundation, a non-profit-making charitable organization dedicated to promoting plant science. The journal publishes excellent, novel, rigorous, and timely research and scholarship in plant science and its applications. The articles cover topics in five sections: Physiology & Development, Environment, Interaction, Evolution, and Transformative Plant Biotechnology. These sections encompass intracellular processes, global environmental change, and encourage cross-disciplinary approaches. The journal recognizes the use of techniques from molecular and cell biology, functional genomics, modeling, and system-based approaches in plant science. Abstracting and Indexing Information for New Phytologist includes Academic Search, AgBiotech News & Information, Agroforestry Abstracts, Biochemistry & Biophysics Citation Index, Botanical Pesticides, CAB Abstracts®, Environment Index, Global Health, and Plant Breeding Abstracts, and others.

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