Microbial Exopolysaccharides: Isolation, Biosynthesis Pathways, Characterization and Potential applications

  • Seema Prabhudev Rodge Abasaheb Garware College,Pune
  • Arati Saptarshi Department of Microbiology , Abasaheb Garware College, Pune, Maharashtra, India
Keywords: Microbial Exopolysaccharides, Biosynthesis Pathways, Characterization and Potential applications


Exopolysaccharide (EPS) is synthesized by various microorganisms and plants in nature and can be exploited for various applications. There are four known biosynthetic pathways for EPS production. EPS can be divided into two broad groups - homopolysaccharides and heteropolysaccharides. The role of EPS in microorganisms is to protect the cell from antimicrobial compounds, in the formation of biofilm etc. The EPS extraction procedure varies depending upon the nature of the exopolysaccharide and whether it is loosely bound or tightly bound to the cell. Many microorganisms are known to produce EPS in different media under diverse environmental conditions. The research interest in EPS producing microorganisms is continuously increasing because of its extensive applications in industries dealing with food production, pharmaceuticals etc. This review article focuses on the EPS types, the biosynthetic pathways involved, the methods for extraction and characterization of EPS and its widespread applications. Keywords: Biosynthesis, Exopolysaccharide, biofilm.

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