Production of mucoid exopolysaccharide during development of Pseudomonas aeruginosa biofilms.


Production of mucoid exopolysaccharide by planktonic, chemostat-derived, and adherent Pseudomonas aeruginosa 579 bacteria was separately monitored for 7 days by using a lacZ-algD promoter-reporter gene and assays of total carbohydrate and metabolic activity. Mucoid exopolysaccharide production was transiently elevated following adherence but declined to planktonic levels by day 7.

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