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Exopolysaccharide production protein YjbE YjbE is part of a four gene operon which is involved in exopolysaccharide production. The expression of YjbE is higher than the rest of the operon yjbEFGH. It appears to be restricted to Enterobacteriaceae. YbjE is one of four gene-products expressed from an operon, yjbEFGH, which is regulated by the Rcs phosphorelay in a RcsA-dependent manner, similar to that of other exopolysaccharide biosynthetic pathways. It is highly possible that the yjbEFGH operon encodes a system involved in EPS secretion since none of the products is predicted to have enzymic activity, the products are all secreted and YbjH and F are predicted to be beta-barrel lipoproteins similar to porins. It may be that the operon products play some role in biofilm formation and/or matrix production. |
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PubMed References
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Jiyao W et al.(2023). "The conserved domain database in 2023.",