https://www.selleckchem.com/
As a natural food additive, exopolysaccharide (EPS) produced by Streptococcus thermophilus can improve product viscosity and texture. The protein EpsA is a putative pathway-specific transcriptional regulator for EPS biosynthesis in S.thermophilus. According to comparative analysis of EPS biosynthetic gene clusters, a conserved region of epsA (609 bp) was employed to design primer pair epsA-F/R as a molecular marker for the isolation of EPS-producing (EPS ) S. thermophilus. Two EPS S. thermophiles strains, AR333 and S-3, were band-positive, whereas Lactococc
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