使用苯亚甲基环烷酮类化合物控制桃褐腐病(由果实单胞菌和蜡单胞菌引起

IF 4.2 2区 生物学 Q2 MICROBIOLOGY Journal of Fungi Pub Date : 2024-08-27 DOI:10.3390/jof10090609
Alejandro Madrid, Valentina Silva, Constanza Reyes, Enrique Werner, Ximena Besoain, Iván Montenegro, Evelyn Muñoz, Katy Díaz
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引用次数: 0

摘要

果腐木单胞菌(Monilinia fructicola)和松果木单胞菌(Monilinia laxa)等丝状真菌引起的果实腐烂对作物产量和水果商业化有很大影响,特别是它们会影响多种核果。以前曾在体外试验中描述过苯亚甲基环烷酮类化合物对果核霉菌的抗真菌功效;因此,本研究旨在评估这些杂交化合物对接种了果核霉菌的水果的体内抑制潜力,并利用分子对接技术观察这些分子在琥珀酸脱氢酶(SDH)活性位点上的主要相互作用。结果表明,化合物 C 对两种莫尼林菌(15.7-31.4 µg/mL)和孢子体外萌发(<10 µg/mL)的抑制率最高,在体内也有很好的效果,不会对果实造成植物毒性。分子对接的结果表明,羟基在增强化合物 C 与 SDH 的结合方面起着关键作用,并有助于与酶活性位点上的氨基酸残基形成氢键。
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Control of Peach Brown Rot Disease Produced by Monilinia fructicola and Monilinia laxa Using Benzylidene-Cycloalkanones
Fruit rots caused by filamentous fungi such as Monilinia fructicola and Monilinia laxa have a strong impact on crop yield and fruit commercialization, especially as they affect a wide variety of stone fruits. The antifungal efficacy of benzylidene-cycloalkanones has been previously described in in vitro assays against M. fructicola; so, this study aims to evaluate the in vivo inhibitory potential of these hybrids on fruits that have been inoculated with M. fructicola, and use molecular docking to visualize the main interactions of these molecules in the active site of the enzyme succinate dehydrogenase (SDH). The results indicate that compound C achieves the highest inhibition of both Monilinia species (15.7–31.4 µg/mL), spore germination in vitro (<10 µg/mL), and has promising results in vivo, without causing phytotoxicity in fruits. The results from molecular docking suggest that hydroxyl groups play a crucial role in enhancing the binding of compound C to SDH and contribute to the formation of hydrogen bonds with amino acid residues on the enzyme active site.
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来源期刊
Journal of Fungi
Journal of Fungi Medicine-Microbiology (medical)
CiteScore
6.70
自引率
14.90%
发文量
1151
审稿时长
11 weeks
期刊介绍: Journal of Fungi (ISSN 2309-608X) is an international, peer-reviewed scientific open access journal that provides an advanced forum for studies related to pathogenic fungi, fungal biology, and all other aspects of fungal research. The journal publishes reviews, regular research papers, and communications in quarterly issues. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. Therefore, there is no restriction on paper length. Full experimental details must be provided so that the results can be reproduced.
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