A diverse Fusarium community is responsible for contamination of rice with a variety of Fusarium toxins
文献类型： 外文期刊
作者： Qiu, Jianbo 1 ; Gu, Hui 2 ; Wang, Shufang 1 ; Ji, Fang 3 ; He, Can 1 ; Jiang, Can 1 ; Shi, Jianrong 1 ; Liu, Xin 1 ; Shen, Guanghui 1 ; Lee, Yin-Won 1 ; Xu, Jianhong 1 ;
作者机构： 1.Jiangsu Acad Agr Sci, Inst Food Safety & Nutr, Nanjing 210014, Peoples R China
2.Jiangsu Ocean Univ, Sch Ocean Food & Biol Engn, Lianyungang 222005, Peoples R China
3.Jiangsu Vocat Coll Agr & Forestry, Coll Tea & Food Sci & Technol, Zhenjiang 212400, Peoples R China
4.Seoul Natl Univ, Dept Agr Biotechnol, Seoul 08826, South Korea
5.Jiangsu Univ, Sch Food & Biol Engn, Zhenjiang 212013, Peoples R China
关键词： Rice; Mycotoxin contamination; Fusarium community; Toxigenicity; Pathogenicity; Food safety
期刊名称：FOOD RESEARCH INTERNATIONAL （ 影响因子：8.0； 五年影响因子：8.5 ）
ISSN： 0963-9969
年卷期： 2024 年 195 卷
页码：
收录情况： SCI
摘要： Rice plays an important role in the daily diet in China and therefore its quality and safety have been of great concern. However, few systematic studies have investigated Fusarium community and toxins in rice grains. Here, we collected 1381 rice samples from Jiangsu Province in eastern China and found a higher frequency of zearalenone (ZEN), deoxynivalenol (DON), fumonisins (FBs), and beauvericin (BEA). The positive samples were individually contaminated with a minimum of one and a maximum of ten toxins. Fusarium was isolated and identified as the major fungus, which exhibited temporal and geographical distribution. The most prevalent species complexes within this genus were Fusarium incarnatum-equiseti species complex (FIESC), Fusarium fujikuroi species complex (FFSC), and Fusarium sambucinum species complex (FSAMSC). Nevertheless, the amplicon sequence analysis revealed a low relative abundance of Fusarium in the rice panicles, and the fungal community exhibited an irregular change along with the symptom's emergence. In vitro toxigenic profiles of Fusarium strains showed significant complexity and specificity depending on the type and content. FIESC strains were nonpathogenic to wheat heads and weakly pathogenic to maize ears, respectively, accumulating lower amounts of toxins than F. asiaticum and F. fujikuroi. . There was no significant variation in the ability to cause panicle blight in rice among the various species tested. Our study provides detailed information about the contamination of Fusarium toxins and community in rice after harvest. This information is valuable for understanding the relationship between Fusarium and rice and for developing effective control strategies.
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