Slime Production by Pseudomonas aeruginosa

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Abstract
Chemical properties and compositions of slimes produced by two Pseudomonas aeruginosa strains of different colonial types were investigated. The main component of the slime from strain IFO 3445 was found to be DNA, contaminated with small amounts of protein. On the other hand, the slime from a mucoid‐type strain No. 24 was an alginate‐like substance consisting of mannuronic and glucuronic acids, and contained traces of protein and nucleic acid. Slimes from twenty clinical isolates of P. aeruginosa were investigated for their chemical compositions. Slimes from eighteen strains consisted of DNA, while, two strains of a mucoid‐type produced slimes composed of polyuronic acid.