Strategic manipulation of biofilm dispersion for controlling Listeria monocytogenes infections.

IF 7.3 1区 农林科学 Q1 FOOD SCIENCE & TECHNOLOGY
Junyi Zhang, Jianxiong Hao, Jingyi Wang, Huiying Li, Dandan Zhao
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Abstract

Listeria monocytogenes (L. monocytogenes), a gram-positive foodborne pathogen that can easily cause listeriosis. It secretes extracellular polymers and forms biofilms that are highly resistant to disinfection methods, such as UV light and germicides, posing risks to food processing equipment and food quality. Dispersion of biofilm is the cycle of its formation in which the bacteria return to planktonic state and become susceptible to antimicrobials, the strategic manipulation of biofilm dispersion is thus heralded as a novel and promising approach for the effective control of biofilm-related infections. Compared to the traditional methods, it is more effective to start with the composition of biofilms, cut off the production of their constituent substances, and genetically reduce the probability of biofilm formation. Meanwhile, the dispersion of bacteria can be supplemented with exogenous substances, making long-term control possible. This paper provides a brief but comprehensive overview of the mechanisms of L. monocytogenes biofilms or cross-contamination and their resistance properties, and facilitates our understanding and control of the prevention and containment of L. monocytogenes biofilm contamination based on the biofilm's active and passive diffusion strategies. This work provides practical guidelines for the food industry to guard against the enduring threat to food safety due to L. monocytogenes biofilms.

策略性操纵生物膜分散以控制单核细胞增生李斯特菌感染。
单核细胞增生李斯特菌(L. monocytogenes)是一种革兰氏阳性食源性病原体,很容易引起李斯特菌病。它分泌胞外聚合物并形成生物膜,对紫外线和杀菌剂等消毒方法有很强的抵抗力,对食品加工设备和食品质量构成风险。生物膜的消散是其形成的一个循环,在这个循环中,细菌恢复到浮游状态,并对抗菌剂产生敏感性,因此,对生物膜消散的战略性操纵被认为是有效控制生物膜相关感染的一种新颖而有前景的方法。与传统方法相比,从生物膜的组成入手,切断其组成物质的产生,从基因上降低生物膜形成的概率,是更为有效的方法。同时,还可以用外源物质补充细菌的分散,使长期控制成为可能。本文简要而全面地概述了单核细胞增生性酵母菌生物膜或交叉污染的机理及其抗性特性,并根据生物膜的主动和被动扩散策略,促进了我们对预防和控制单核细胞增生性酵母菌生物膜污染的理解和控制。这项工作为食品工业提供了实用指南,以防范单核细胞增生性酵母菌生物膜对食品安全的持久威胁。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
22.60
自引率
4.90%
发文量
600
审稿时长
7.5 months
期刊介绍: Critical Reviews in Food Science and Nutrition serves as an authoritative outlet for critical perspectives on contemporary technology, food science, and human nutrition. With a specific focus on issues of national significance, particularly for food scientists, nutritionists, and health professionals, the journal delves into nutrition, functional foods, food safety, and food science and technology. Research areas span diverse topics such as diet and disease, antioxidants, allergenicity, microbiological concerns, flavor chemistry, nutrient roles and bioavailability, pesticides, toxic chemicals and regulation, risk assessment, food safety, and emerging food products, ingredients, and technologies.
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