期刊
CHEMOSPHERE
卷 307, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2022.135702
关键词
Metal-organicframeworks; Fungicidedelivery; Metabolicpathways; Tebuconazole; Wheatgrowth
资金
- National Key Research Development Program of China [2019YFD1002103]
- Central Public-Interest Sci-entific Institution Basal Research Fund
- [Y2020XK14]
This study investigates the effects of tebuconazole and iron-based MOF (Fe-MOF) on the physiological, biochemical, and metabolic levels of wheat seedlings. The results show that tebuconazole has a negative impact on these indicators, but when combined with Fe-MOF, the negative effects are mitigated.
Metal-organic frameworks (MOF) are an emerging class of hybrid inorganic-organic porous materials used in various fields, especially in molecule delivery system. As iron is an essential micronutrient for plant growth, iron -based MOF (Fe-MOF) is developed for agricultural application as fungicide carriers. However, fungicides may have various effect on the plant growth, which may be different from Fe-MOF. When they are combined with the carriers, the effects on target plants will change. In this work, tebuconazole-loaded Fe-MOF was prepared and used to treat wheat seedlings. The physiological, biochemical and metabolic levels of wheat roots and shoots were shown by a comparative study. Related metabolic pathways were analyzed by non-targeted metabolomic method. Many metabolites in wheat roots and shoots showed an upward trend after Fe-MOF treatment, but tebuconazole had a negative impact on these indicators. Related metabolic pathways in Fe-MOF and tebuco-nazole treatment were different, and the related pathway of tebuconazole-loaded Fe-MOF was closer to that of Fe-MOF. The metabolic pathways study revealed that the negative impact from tebuconazole was mitigated when wheat seedlings were treated with tebuconazole-loaded Fe-MOF. This research firstly explores the mechanism of MOF as carriers to help plant reduce the negative effects from fungicide by regulating metabolic pathways.
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