The influence of carbon source on the yield, nature, and composition of exopolysaccharides (EPS) produced by four G.xylinus strains was investigated. The productivity and properties of EPS were dependent on both carbon source and G.xylinusstrains. When galactose serves as exclusive carbon source, different cellulose binding EPS were produced, which significantly influence the crystallization of cellulose. We hypothesize that the synthesis of this EPS at the time of cellulose deposition can result in the co-crystallization between cellulose and the strongly bound EPS, as evidence by the presence of a unique peak with large crystal size in XRD.

Effect of water-soluble polysaccharides on cellulose production and crystallization in <i>Gluconacetobacter xylinus</i>

247th National Meeting (2014)

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Effect of water-soluble polysaccharides on cellulose production and crystallization in Gluconacetobacter xylinus