Exopolysaccharide production by lactic acid bacteria: The manipulation of environmental stresses for industrial applications

Phu Tho Nguyen, Tho Thi Nguyen, Duc Cuong Bui, Phuoc Toan Hong, Quoc Khanh Hoang, Huu Thanh Nguyen

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

Abstract

Exopolysaccharides (EPSs) are biological polymers secreted by microorganisms including Lactic acid bacteria (LAB) to cope with harsh environmental conditions. EPSs are one of the main components involved in the formation of extracellular biofilm matrix to protect microorganisms from adverse factors such as temperature, pH, antibiotics, host immune defenses, etc.. In this review, we discuss EPS biosynthesis; the role of EPSs in LAB stress tolerance; the impact of environmental stresses on EPS production and on the expression of genes involved in EPS synthesis. The evaluation results indicated that environmental stresses can alter EPS biosynthesis in LAB. For further studies, environmental stresses may be used to generate a new EPS type with high biological activity for industrial applications.

Original languageEnglish (US)
Pages (from-to)451-469
Number of pages19
JournalAIMS Microbiology
Volume6
Issue number4
DOIs
StatePublished - 2020
Externally publishedYes

Keywords

  • Biofilm
  • EPS biosynthesis
  • EPS production
  • Environmental stress
  • Exopolysaccharides

ASJC Scopus subject areas

  • Microbiology
  • Microbiology (medical)

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