Subcellular Localization and Cellular Machinery Required for Deoxynivalenol Assembly: Updates and New Insights

doi:10.19586/j.2095-2341.2021.0114

Current Biotechnology ›› 2021, Vol. 11 ›› Issue (5): 642-646.DOI: 10.19586/j.2095-2341.2021.0114

• Mycotoxin Deoxynivalenol (DON) • Previous Articles Next Articles

Subcellular Localization and Cellular Machinery Required for Deoxynivalenol Assembly: Updates and New Insights

Xin LIU¹^,²(), Xin FANG¹^,², Shuang WANG¹^,², Liwen WANG¹^,², Deliang WU¹, Yin Won LEE¹, Sherif Ramzy MOHAMED³, Jianhong XU¹^,²(), Jianrong SHI¹^,²()

^1.Institute of Food Safety and Nutrition，Jiangsu Academy of Agricultural Sciences，Nanjing 210014，China
^2.School of Food and Biological Engineering，Jiangsu University，Jiangsu Zhenjiang 212013，China
^3.Department of Food Toxicology and Contaminant，National Research Centre of Egypt，Giza 12411，Egypt

Received:2021-06-15 Accepted:2021-07-15 Online:2021-09-25 Published:2021-10-08
Contact: Jianhong XU,Jianrong SHI

DON生物合成的亚细胞定位和精准外排研究进展

刘馨¹^,²(), 方欣¹^,², 汪爽¹^,², 王立雯¹^,², 武德亮¹, LEE Yin Won¹, MOHAMED Sherif Ramzy³, 徐剑宏¹^,²(), 史建荣¹^,²()

^1.江苏省农业科学院农产品质量安全与营养研究所，南京 210014
^2.江苏大学食品与生物工程学院，江苏镇江 212013
^3.埃及国家研究中心食品毒理与污染物研究所，埃及吉萨 12411

通讯作者: 徐剑宏,史建荣
作者简介:刘馨 E-mail:moxiasang@126.com
基金资助:
国家自然科学基金项目(31772118);江苏省自然科学基金项目(BK20181246)

Abstract

Abstract:

Deoxinivalenol （DON）， the type?B trichothecene， has been proven as the important virulence factor for the aggressiveness of Fusarium graminearum in wheat head. As the protein synthesis inhibitor， DON has certain levels of cytotoxicity or phytotoxicity to mammal cells， microorganisms and plant cells. However， the protective mechanism of Fusarium spp. to DON is larely unknown. Better understanding of their detoxification mechanisms is of great importance. This review highlighted the self?protection mechanisms of Fusarium spp. to DON， specifically including the subcellular compartmentation of biosynthesis， delivery and timing orchestrated through cellular trafficking manners， which was expected to help understand its detoxification mechanism and provide targets for designing targeted control strategy， and protect food safety and health of both humans and livestock.

Key words: deoxynivalenol, Fusarium graminearum, DON toxisome, subcellular compartmentation, self?protection, cellular trafficking

摘要：

单端孢霉烯B族毒素脱氧雪腐镰刀烯醇（deoxinivalenol， DON）是产毒镰刀菌在侵染小麦等作物过程中的一类重要的致病因子，可以帮助产毒镰刀菌在麦穗间扩展。DON会抑制蛋白质合成，对动物、微生物和寄主具有毒性（cytotoxicity and phytotoxicity），然而产毒镰刀菌自身借助何种保护机制免受DON毒害目前研究甚少。DON毒害机制的研究对于镰刀菌毒素的持续防控和粮食安全、人民生命健康保障具有重要意义。综述了产毒镰刀菌DON合成解毒机制的最新研究进展，主要包括DON合成的亚细胞定位、合成基因簇内的外排蛋白和解毒基因作用方式，以期为有针对性地破解其解毒机制，设计研发高效靶向控毒技术的相关研究提供参考。

关键词: 呕吐毒素, 禾谷镰刀菌, DON产毒小体, 亚细胞定位, 自我保护机制, 细胞转运

CLC Number:

S432

Xin LIU, Xin FANG, Shuang WANG, Liwen WANG, Deliang WU, Yin Won LEE, Sherif Ramzy MOHAMED, Jianhong XU, Jianrong SHI. Subcellular Localization and Cellular Machinery Required for Deoxynivalenol Assembly: Updates and New Insights[J]. Current Biotechnology, 2021, 11(5): 642-646.

刘馨, 方欣, 汪爽, 王立雯, 武德亮, LEE Yin Won, MOHAMED Sherif Ramzy, 徐剑宏, 史建荣. DON生物合成的亚细胞定位和精准外排研究进展[J]. 生物技术进展, 2021, 11(5): 642-646.

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Subcellular Localization and Cellular Machinery Required for Deoxynivalenol Assembly: Updates and New Insights

DON生物合成的亚细胞定位和精准外排研究进展

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