atroviride木霉F742次生代谢产物及其抗菌作用的研究

IF 0.9 Q4 CHEMISTRY, MULTIDISCIPLINARY
Tomáš Pagáč, Zuzana Kubová, J. Víglaš, Zuzana Kavalová, P. Olejníková
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引用次数: 0

摘要

摘要造成农业严重危害的土传病原真菌分布广泛。控制这些病原体的传统方法导致使用化学杀菌剂,其中许多杀菌剂已被证明对环境有害。木霉属真菌寄生真菌已被用于病原体的生物控制以及促进植物生长的能力。由于已经观察到变异菌株曲霉菌F742的真菌寄生活性增加,因此可以考虑将其用作生物防治剂。在这项工作中,我们重点研究了通过紫外线诱变制备的T.atroviride F742菌株(来自亲本T.atrovilide F534)的真菌寄生活性以及T.atrovirade代谢产物在抗菌中的生理作用。T.atroviride F742表现出显著的真菌寄生活性,可攻击和定植植物病原体(Alternaria alternata、Botrytis cinerea、Fusarium tumorum)。其分离的代谢产物抑制细菌、酵母和真菌白色念珠菌、A.alternata和F.tumorum的生长。由于已经观察到ABC转运蛋白在次级代谢产物产生中的不同表达模式,我们认为它们在T.atroviride F742产生的次级代谢产物的转运中的作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Study on secondary metabolites of Trichoderma atroviride F742 and their role in antibiosis
Abstract Soil-borne pathogenic fungi responsible for serious damage in agriculture are widely distributed. Traditional approach to control these pathogens leads to the use of chemical fungicides, many of which have proven harmful side effects on the environment. Mycoparasitic fungi of the genus Trichoderma have been used for pathogens biocontrol as well as for their ability to promote plant growth. As increased mycoparasitic activity of mutant strain Trichoderma atroviride F742 has been observed, its use as a biocontrol agent might be considered. In this work, we focused on mycoparasitic activity of the strain T. atroviride F742 prepared by UV mutagenesis (from parental strain T. atroviride F534) and the physiological role of T. atroviride metabolites in antibiosis. T. atroviride F742 shows remarkable mycoparasitic activity attacking and colonizing phytopathogens (Alternaria alternata, Botrytis cinerea, Fusarium culmorum). Its isolated metabolites inhibit the growth of bacteria, yeasts, and fungi Candida albicans, A. alternata and F. culmorum. As different expression patterns in the secondary metabolites production of ABC transporters have been observed, we suggest their role in transport of secondary metabolites produced by T. atroviride F742.
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来源期刊
Acta Chimica Slovaca
Acta Chimica Slovaca CHEMISTRY, MULTIDISCIPLINARY-
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12.50%
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11
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