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首页> 外文期刊>Bioresources and Bioprocessing >Changes of membrane fatty acids and proteins of Shewanella putrefaciens treated with cinnamon oil and gamma irradiation
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Changes of membrane fatty acids and proteins of Shewanella putrefaciens treated with cinnamon oil and gamma irradiation

机译：肉桂油和伽马射线辐照处理恶臭希瓦氏菌的膜脂肪酸和蛋白质的变化

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Background: In order to detect the antimicrobial mechanism of combined treatment of cinnamon oil and gamma irradiation (GI), the membrane fatty acids and proteins characteristics of Shewanella putrefaciens (S. putrefaciens) treated with cinnamon oil and GI, and the distribution of cinnamon oil in S. putrefaciens were observed in this study. Results: The membrane lipid profile of S. putrefaciens was notably damaged by treatments of cinnamon oil and the combination of cinnamon oil and GI, with significantly fatty acids decrease in C14:0, C16:0, C16:1, C17:1, C18:1 (p 0.05). The SDS-PAGE result showed that GI did not have obvious effect on membrane proteins (MP), but GI combined with cinnamon oil changed the MP subunits. Cinnamaldehyde, the main component of cinnamon oil, can not transport into S. putrefaciens obviously. It was transformed into cinnamyl alcohol in the nutrient broth with the action of S. putrefaciens. This indicated that the antimicrobial action of cinnamon oil mainly happened on the membrane of S. putrefaciens. Conclusion: Cinnamon oil could act on the membrane of S. putrefaciens with the damage of fatty acids and proteins, and GI would increase the destructive capability of cinnamon oil on the membrane fatty acids and proteins of S. putrefaciens.
机译：背景：为了检测肉桂油和伽马射线辐射（GI）联合处理的抗菌机制，肉桂油和GI处理的腐乳希瓦氏菌（Shewanella putrefaciens）的膜脂肪酸和蛋白质特性以及肉桂油的分布在这项研究中观察到腐烂链球菌。结果：肉桂油和肉桂油与GI组合处理可显着破坏腐烂链球菌的膜脂谱，其中C14：0，C16：0，C16：1，C17：1，C18的脂肪酸显着降低：1（p <0.05）。 SDS-PAGE结果表明，GI对膜蛋白（MP）没有明显影响，但GI与肉桂油联合可改变MP亚基。肉桂醛的主要成分肉桂醛显然不能转运到腐烂链球菌中。在腐烂链球菌的作用下，将其在营养肉汤中转化为肉桂醇。这表明肉桂油的抗菌作用主要发生在腐烂链球菌的膜上。结论：肉桂油对脂肪酸链球菌的膜和脂肪酸具有破坏作用，而胃肠道可提高肉桂油对腐败链球菌的膜和脂肪酸的破坏能力。

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