4.6 Article

Decoding the Capability of Lactobacillus plantarum W1 Isolated from Soybean Whey in Producing an Exopolysaccharide

期刊

ACS OMEGA
卷 5, 期 51, 页码 33387-33394

出版社

AMER CHEMICAL SOC
DOI: 10.1021/acsomega.0c05256

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资金

  1. National Research Foundation of Korea (NRF) [NRF-2020R1A2C2100670]
  2. Korea Research Fellowship Program through the NRF - Ministry of Science and ICT [2020H1D3A1A04081409]
  3. Vingroup Joint Stock Company
  4. Domestic Master/PhD Scholarship Programme of the Vingroup Innovation Foundation (VINIF), Vingroup Big Data Institute (VINBIGDATA)
  5. Erasmus Mundus project

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This study aims at producing exopolysaccharides (EPS) from a lactic acid bacterial strain. The soybean whey-isolated Lactobacillus plantarum W1 (EPS-W1), which belongs to genus Lactobacillus, is identified using the phenylalanyl-tRNA sequencing method. Of all the examined strains, R-49778 (as numbered by BCCM/LMG Bacteria Collection, Ghent University, Belgium) showed the highest capability of producing exopoly-saccharides. Structural characterization revealed a novel exopolysaccharide consisting of repeating units of -> 6)-D-Glcp-(1 ->; -> 3)-D-Manp-(1 ->; -> 3)-6-Glcp-(1 -> and a branch of -> 6)-D-Manp-(1 ->; -> 2)-D-Glcp-(1 ->. This discovery opens up avenues for the production of EPS for food industries, functional foods, and biomedical applications.

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