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

doi:10.3934/microbiol.2020027

AIMS Microbiology

2020, Volume 6, Issue 4: 451-469. doi: 10.3934/microbiol.2020027

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Review

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

1.
Graduate University of Sciences and Technology, Vietnam Academy of Science and Technology, Ha Noi, Vietnam
2.
Department of Biotechnology, An Giang University, An Giang, Vietnam
3.
Vietnam National University Ho Chi Minh City, Ho Chi Minh City, Vietnam
4.
Ho Chi Minh City University of Technology (HUTECH), Ho Chi Minh City, Vietnam
5.
Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE, United States
6.
LAVI's Institute for Agricultural Science and Plant Breeding, Ho Chi Minh City, Vietnam
7.
Institute of Tropical Biology, Vietnam Academy of Science and Technology, Ho Chi Minh City, Vietnam

Received: 02 September 2020 Accepted: 12 November 2020 Published: 17 November 2020

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.

Keywords:

Citation: Phu-Tho Nguyen, Tho-Thi Nguyen, Duc-Cuong Bui, Phuoc-Toan Hong, Quoc-Khanh Hoang, Huu-Thanh Nguyen. Exopolysaccharide production by lactic acid bacteria: the manipulation of environmental stresses for industrial applications[J]. AIMS Microbiology, 2020, 6(4): 451-469. doi: 10.3934/microbiol.2020027

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Abstract

Acknowledgments

Phu-Tho Nguyen is a graduate student researcher of Graduate University of Sciences and Technology, Vietnam Academy of Science and Technology, Vietnam. The authors would like to acknowledge the Science and Technology Program for the Southwestern Sustainable Development, Vietnam National University Ho Chi Minh City for the financial support. This publication's contents and interpretations are the sole responsibility of the authors.

Conflicts of interest

The authors declare no conflict of interest.

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