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在Aspergillus nidulans中,针对铁醇暴露的转录组总响应

Ágnes Jakab¹, Kinga Csillag², Károly Antal³

¹Department of Medical Microbiology, Faculty of Medicine, University of Debrecen, 4032, Debrecen, Hungary; Department of Molecular Biotechnology and Microbiology, Faculty of Science and Technology, University of Debrecen, 4032, Debrecen, Hungary.

|April 4, 2024

概括

Tyrosol 是一种定数感应分子,通过破坏细胞代谢和营养利用来抑制 Aspergillus nidulans 的生长. 这种化合物影响基因表达,影响诸如糖解和细胞循环之类的途径,而A. nidulans则试图进行弱毒解毒.

科学领域:

菌类学菌类学是指菌类学.
分子生物学分子生物学
生物化学生化学

背景情况:

铁醇被认为是Candida物种中的"定数感应分子".
它在高度下表现出抗真菌特性.
了解它对其他真菌 (如阿斯伯吉勒斯尼杜兰斯) 的影响至关重要.

研究的目的:

为了研究铁醇对Aspergillus nidulans的生理和转录效应.
阐明泰洛索尔抗真菌活性背后的机制.
识别受影响的代谢途径和细胞反应.

主要方法:

用35毫米米的铁醇对阿斯伯吉路斯尼杜兰菌进行处理.
在不同碳来源上分析状植物的发芽和生长.
使用RNA测序进行全基因组的转录概况.
测量谷氨-S转移酶 (GST) 活性和谷氨 (GSH) 含量.

主要成果:

铁醇显著降低了状植物的发芽和生长,并具有真菌学作用.
对参与细胞循环,糖解和营养同化过程中的基因进行下调.
与脂质代谢,氨基酸降解和自相关的基因的升级.
增加了GST活动和GSH含量,表明GSH依赖的排毒机制较弱.
没有诱导氧化应激,而是对营养反应和代谢调节基因的上调.

结论:

铁醇通过破坏新陈代谢调节和营养利用来破坏阿斯伯吉卢斯尼杜兰斯的生长.
这种真菌试图通过弱的GSH-依赖的解毒醇.
铁醇的作用表明,它对细胞平衡和代谢编排有广泛的影响.

关键词:

替代疗法替代疗法亚斯珀吉勒斯尼杜兰斯 (Aspergillus nidulans) 是一种植物.类化合物是一种类化合物.议员数量识别 (quorum-sensing) 是指通过议员数量识别的方式来确定议员的数量.在RNAseqqq中使用.泰罗索尔 (Tyrosol) 是一种光剂.

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