Exopolysaccharide production by mucoid and non-mucoid strains ofBurkholderia cepacia

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Abstract
Thirteen strains of Burkholderia cepacia from various origins with mucoid and non-mucoid phenotypes were assayed for exopolysaccharide (EPS) production. The EPS were characterized by glycosyl composition analysis and examination of the products resulting from lithium–ethylenediamine and Smith degradations. The results showed that all strains, including the non-mucoid strains, were able to produce EPS exhibiting the same structural features, i.e. presence of one rhamnosyl, three galactosyl, one mannosyl, one glucosyl and one glucuronosyl residues, suggesting that this EPS is representative of the B. cepacia species.