Modification in Extra Cellular Polymeric Substances of Staphylococcus aureus Using Sesbania grandiflora

G. ArumugamDhanesh, Hi, Dh, apani Kayal Vizhi, K. Lavanya, R. Babujanarthanam
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引用次数: 1

Abstract

Microorganism secret high molecular weight compound called as extra cellular polymeric substance (EPS) which is attached on the outer surface of the bacteria which is mostly release during its log phase. Bacterial EPS have been identified as one of the major components in biofilms [1]. Biofilms are formed with interaction among microbial aggregates, filamentous bacterial strains, organic and inorganic particles, which are held together by EPS [2]. The biofilms are complex structure where microbial cell aggregates are embedded inside a hydrated matrix made up of extra cellular polymeric substances. EPS majorly comprised of four substance called carbohydrate, protein, lipids and environmental DNA (e DNA). This biofilm acts as a protective barrier and provides resistance against antibiotics, degrading enzymes, protozoan grazers and host immune response [3].
利用大田菁修饰金黄色葡萄球菌细胞外聚合物质
微生物分泌一种高分子量的化合物,称为胞外聚合物(EPS),它附着在细菌的外表面,主要在其生长过程中释放出来。细菌EPS已被确定为生物膜的主要成分之一[1]。生物膜是微生物聚集体、丝状菌株、有机和无机颗粒相互作用形成的,它们通过EPS结合在一起[2]。生物膜是一种复杂的结构,其中微生物细胞聚集体被嵌入由细胞外聚合物物质组成的水合基质中。EPS主要由碳水化合物、蛋白质、脂质和环境DNA(即DNA)四种物质组成。这种生物膜作为一种保护屏障,提供对抗生素、降解酶、原生动物食草动物和宿主免疫反应的抗性[3]。
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