乳酸菌生物膜的形成、特性及应用研究

Study on Formation, Characteristics and Application of LacticAcid Bacteria Biofilms

大多数乳酸菌作为益生菌被人们熟知并广泛应用于食品领域。生物膜是细菌应对不利环境的自然生长状态。而近些年的相关研究揭示了乳酸菌生物膜的成膜规律和优良特性,也初步探究了乳酸菌生物膜在生产中的应用。为进一步调控和利用乳酸菌生物膜,对乳酸菌生物膜的深入研究和理解十分必要。文章综述了乳酸菌生物膜的形成、细胞黏附胞外聚合物在生物膜形成中的作用,以及乳酸菌与酵母菌的混菌生物膜形成和酵母-乳酸菌相互作用,介绍了乳酸菌生物膜在抗逆、抑菌、食品生产、人体健康等方面的应用,以期为人们了解乳酸菌生物膜和对其进行更深入的研究和应用提供帮助。

Most lactic acid bacteria are well known as probiotics and widely used in the field of food.Biofilms are the natural growth state of bacteria in response to adverse environments.In recent years,relevant studies have revealed the formation regulation and excellent characteristics of lactic acid bacteria biofilms,and the application of lactic acid bacteria biofilms in production has been preliminarily explored.In order to further regulate and utilize lactic acid bacteria biofilms,it is necessary to study and understand lactic acid bacteria biofilms in depth.In this paper,the formation of lactic acid bacteria biofilms,the roles of cell adhesion extracellular polymer in the biofilm formation,as well as the formation of mixed-bacteria biofilms of lactic acid bacteria and yeast and the interactions between yeast and lactic acid bacteria are reviewed,and the application of lactic acid bacteria biofilms in stress resistance,bacteriostat,food production,human health and other aspects is introdiced,so as to provide assistance for people to understand lactic acid bacteria biofilms and further research and apply them.