The combination of metabolome and transcriptome clarifies the inhibition of the Alternaria toxin accumulation by methyl ferulate
文献类型： 外文期刊
作者： Ge, Shuai 1 ; Xie, Ying 1 ; Ding, Ke 1 ; Xu, Saiqing 1 ; Xu, Haishan 1 ; Chang, Xia 1 ; Li, Huan 2 ; Wang, Rongrong 3 ; Luo, Zisheng 4 ; Shan, Yang 1 ; Ding, Shenghu 1 ;
作者机构： 1.Hunan Univ, Coll Biol, Longping Branch, Changsha 410125, Peoples R China
2.Hunan Acad Agr Sci, Hunan Agr Prod Proc Inst, DongTing Lab, Changsha 410125, Peoples R China
3.Hunan Agr Univ, Coll Food Sci & Technol, Changsha 410128, Peoples R China
4.Zhejiang Univ, Coll Biosyst Engn & Food Sci, Hangzhou 310000, Peoples R China
关键词： Alternaria alternata; Alternaria toxin; Methyl ferulate; Transcriptome; Metabolome
期刊名称：FOOD CHEMISTRY （ 影响因子：8.5； 五年影响因子：8.2 ）
ISSN： 0308-8146
年卷期： 2024 年 456 卷
页码：
收录情况： SCI
摘要： As one of the most typical pathogens in fruit postharvest diseases, Alternaria alternata (A. alternata) can produce Alternaria toxins (ATs) aggravating fruit decay and harming human health. In this study, ATs (tenuazonic acid, alternariol monomethyl ether, and alternariol) production was inhibited effectively by 200 and 8000 mg/L MF (methyl ferulate) in vitro and in vivo. 1-Octen-3-ol and 3-octanol were the potential iconic volatile organic compounds of ATs (R-2 > 0.99). MF induced oxidative stress, resulting in physiological and metabolic disorders, membrane lipid oxidation and cell damage. It decreased precursors and energy supply by disturbing amino acid metabolism, ABC transporters, citrate cycle, pentose and glucuronate interconversions to regulate ATs synthesis. MF down-regulated the genes related to ATs synthesis (PksJ, AaTAS1, and OmtI), transport (AaMFS1 and MFS), and pathogenicity to affect ATs production and virulence. This study provided a theoretical basis for the control of ATs production.
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