Antifungal Activity of Magnolia officinalis Derived Magnolol and Honokiol on Membrane Disruption of Saprolegnia parasitica
文献类型： 外文期刊
作者： Feng, Yang 1 ; Duan, Jing 1 ; Shi, Cunbin 2 ; Huang, Xiaoli 1 ; Wang, Kaiyu 3 ; Deng, Yongqian 4 ; Geng, Yi 3 ; Ouyang, P 1 ;
作者机构： 1.Sichuan Agr Univ, Coll Anim Sci & Technol, Dept Aquaculture, Wenjiang 611130, Sichuan, Peoples R China
2.Chinese Acad Fishery Sci, Pearl River Fishery Res Inst, Key Lab Aquat Anim Immune Technol, Minist Agr,Key Lab Fishery Drug Dev, Guangzhou 510380, Guangdong, Peoples R China
3.Sichuan Agr Univ, Coll Anim Sci & Vet Med, Wenjiang 611130, Sichuan, Peoples R China
4.Dept Agr Sichuan Prov, Hongya 620360, Sichuan, Peoples R China
关键词： Saprolegnia parasitica; magnolol; honokiol; antifungal activity
期刊名称：ISRAELI JOURNAL OF AQUACULTURE-BAMIDGEH （ 影响因子：0.287； 五年影响因子：0.593 ）
ISSN： 0792-156X
年卷期： 2018 年 70 卷
页码：
收录情况： SCI
摘要： Saprolegniosis is an infectious disease caused by Saprolegnia sp. It may cause serious losses in fish farms and hatcheries in many countries. In previous research, Magnolia officinalis has been found to initiate the death of Saprolegnia sp. Magnolol and honokiol, two active substances in M. officinalis, may be responsible for the antifungal effects on Saprolegnia sp. The present study centered on the anti-fungal activity and mechanism of magnolol and honokiol on Saprolegnia parasitica. Results revealed that magnolol and honokiol displayed effective anti-fungal activity on S. parasitica, which caused their mass mortality. More intuitive research has shown that magnolol and honokiol have evolved mechanisms that can destroy the cell membranes of S. parasitica, and cause exosmosis of their cytoplasmic saccharides and proteins, and cause mortality. Magnolol and honokiol exhibited minimum inhibitory concentration values of 976.6 ug/mL and 587.4 ug/mL concentrations, respectively, and the minimum inhibitory time of both was 2 hours. This study provides a clearer understanding of the function of M. officinalis against Saprolegnia sp.
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