代谢学分析黑纳米板诱导的对米苗的毒理影响
Tingting Yuan1, Wei Li2,3, Jian Shen4
1College of Agriculture, Guizhou University, Guiyang 550025, China.
Journal of agricultural and food chemistry
|July 10, 2025
概括
200 mg/L的黑纳米薄膜 (BPNS) 通过破坏抗氧化剂防御系统来抑制苗的生长. 此外,BPNS还会诱导口腔关闭,并改变碳水化合物和氨基酸合成途径.
科学领域:
- 农业科学 农业科学
- 环境科学 环境科学
- 材料科学 材料科学 材料科学
背景情况:
- 黑纳米板 (BPNS) 是新兴的纳米材料,在农业中具有潜在的应用.
- 了解像BPNS这样的纳米材料的植物毒性对于环境安全和可持续农业至关重要.
研究的目的:
- 研究不同度的BPNS对苗生长的影响.
- 阐明BPNS植物毒性的潜在机制,重点关注抗氧化剂防御系统和代谢途径.
主要方法:
- 在度从0到200毫克/升不等的度下,将BPNS应用到苗上.
- 生物化学测试以测量甲基含量和超氧化物脱酶活性.
- 扫描电子显微镜 (SEM) 观察叶面形态,特别是口腔反应.
- 代谢分析,以确定关键代谢途径的变化.
主要成果:
- 在200mg/L的BPNS叶子应用显著抑制了米苗的生长.
- 以200mg/L的BPNS治疗导致甲含量减少75.17%,并增加了10.42%的超氧化物脱酶活性,这表明氧化应激.
- 在SEM分析中,发现BPNS诱导的米叶口腔关闭.
- 代谢分析显示碳水化合物和氨基酸合成途径受到干扰,代谢物如d-sorbitol,maltitol,l-arginine和 argininosuccinic acid的显著上调.
结论:
- 高度的BPNS可以通过破坏抗氧化剂防御系统并诱导口腔关闭来对米生长产生负面影响.
- 碳水化合物和氨基酸代谢的干扰是对米苗中BPNS暴露的关键反应.
- 调查结果强调,需要仔细考虑在农业环境中应用BPNS,以减轻潜在的环境风险.
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