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| Keywords: WT GASP batch.jpg en GASP mutants initially reach a high population density and subsequently decrease population viability a Colony forming units CFU measured at day 1 blue bars and day 4 red bars of pure WT and GASP cultures and co-cultures with starting fractions of 90 WT and 10 GASP 50 WT and 50 GASP and 10 WT and 90 GASP Error bars indicate the standard error of the mean of three replicate cultures The inset shows that the change in the number of CFUs between day 4 and day 1 depends on the initial GASP fraction of a culture b Growth curves measured as optical density at 600 nm of well-mixed batch cultures A pure WT culture black sustains its population density for days whereas a pure GASP culture red initially reaches a higher population density which later declines and drops below the level of the pure WT culture WT-GASP co-cultures dashed lines show the frequency dependence of the overshooting and subsequent decline of population density doi 10 1371/journal pone 0077042 g001 2014-01-27 23 41 50 http //www plosone org/article/info 3Adoi 2F10 1371 2Fjournal pone 0077042 Felix J H Hol Peter Galajda Krisztina Nagy Rutger G Woolthuis Cees Dekker Juan Keymer cc-zero Uploaded with UploadWizard Uncategorized 2014 January 28 | ||||
