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纤维状真菌中的 Gliotoxin 生产和自我防御

Endrews Delbaje¹, Patrícia Alves de Castro¹, Mônica T Pupo¹

¹1Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil ;

Annual review of microbiology

|July 8, 2025

概括

毒素 (GT) 是一种真菌代谢物,具有广泛的抗真菌和抗菌特性,并在真菌病原和共生行为中发挥关键作用. 有机体已经发展出对这种有毒化合物的复杂的自我保护机制.

科学领域:

菌类学菌类学是指菌类学.
生物化学生物化学
分子生物学分子生物学
免疫学免疫学免疫学

背景情况:

Gliotoxin (GT) 是一种被广泛研究的真菌二次代谢产物,属于2,5-diketopiperazine类.
GT生物合成基因集群 (BGC) 在丝状真菌中普遍存在,尽管GT的生产仅限于少数物种.
GT具有影响真菌,细菌和哺乳动物细胞的多目标机制,并影响宿主-病原体相互作用.

研究的目的:

审查GT BGC在线状真菌中的分布.
讨论与GT相关的生物合成,作用机制和自我防御策略.
探索GT的生态作用和毒理特性.

主要方法:

关于 Gliotoxin 的科学出版物的文献综述.
在真菌物种中分析GT生物合成基因集群 (BGC) 的分布.
收集关于GT生物活动,毒性和保护机制的数据.

主要成果:

GT BGC广泛分布在线状真菌中,这表明GT在多种物种中的生产潜力.
GT具有杀菌和细菌静止作用,在哺乳动物细胞中诱导亡,并调节免疫反应.
生产者和非生产者有机体都具有针对GT毒性的进化自我保护机制.

结论:

Gliotoxin 是一种重要的致病性真菌的毒性因素,如 * Aspergillus fumigatus * 和在 * Trichoderma * spp. 扮演角色. 互动. 互动. 互动. 互动. 互动.
了解GT的生物合成,作用和防御机制对于解决其对人类和动物健康和生态系统的影响至关重要.
GT BGC的广泛存在凸显了这种真菌代谢物的生态和病原性相关性.

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