在被aspergillus flavus感染的花生种子中,通过广泛向的代谢学变化发生化学特征的变化
Yueni Zhou1, Mengyun Xu2, Muhammad J Umer1
1Crops Research Institute, Guangdong Academy of Agricultural Sciences, Guangdong Provincial Key Laboratory of Crop Genetic Improvement, South China Peanut Sub-Center of National Center of Oilseed Crops Improvement, Guangzhou, Guangdong Province 510640, China.
被Aspergillus flavus (A. flavus) 感染的花生种子会产生有害的青毒素. 这项研究表明,耐药花生品种中较高水平的酸可以抑制A. flavus的生长,作为潜在的生物标志物.
科学领域:
- 代谢学 代谢学 代谢学
- 植物病理学 植物病理学
- 食品安全 食品安全
背景情况:
- 花生种子含有丰富的营养,使它们易受A. flavus感染.
- A. flavus 感染导致亚拉托克辛污染,对人类健康构成风险.
- 了解A. flavus感染期间的代谢物变化对于花生安全至关重要.
研究的目的:
- 在A. flavus感染期间全面描述花生种子中的内源代谢物.
- 为了确定关键的代谢物和受A. flavus. 影响的途径.
- 调查酸在花生对A. flavus.耐药性的作用.
主要方法:
- 建立了花生种子中1462种代谢物的详细内源化学特征.
- 在感染后3天和6天确定差异表达代谢物 (DEMs).
- 对酸的代谢物相互作用分析和体外生长抑制试验.
主要成果:
- 在感染后的第3天和第6天分别发现了895个和671个DEM.
- 发现大多数共同表达的DEMs在对A. flavus.的反应中受到上调.
- 发现酸与A. flavus感染有显著的相关性,五种酸在体外抑制了A. flavus的生长.
结论:
- 花生种子在A. flavus感染时表现出显著的代谢物变异.
- 酸在抑制A. flavus生长方面发挥着作用.
- 高酸含量可以作为生物标志物,用于识别抗A. flavus感染的花生品种.
更多相关视频
09:21Inhibition of Aspergillus flavus Growth and Aflatoxin Production in Transgenic Maize Expressing the α-amylase Inhibitor from Lablab purpureus L.
Published on: February 15, 2019
10:24Author Spotlight: Quantification of Aflatoxins and Phytoalexins in Peanut Seeds to Identify Genetic Resistance Against Aspergillus
Published on: April 19, 2024
相关概念视频
Plant Breeding and Biotechnology
Transgenic Plants
The first-ever transgenic plant was a tobacco plant developed in 1983 that showed resistance against the tobacco mosaic virus. Since then, many transgenic plants have been developed and commercialized for improving the agricultural, ornamental, and horticultural value of a crop plant. Transgenic...
Fungal Phylum Ascomycota
