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Table 2 The basal biofilm production of the different isolates

From: Carbon monoxide releasing molecule-2 (CORM-2) inhibits growth of multidrug-resistant uropathogenic Escherichia coli in biofilm and following host cell colonization

A540 < 0.1 A540 0.1-1 A540 > 1
ESBL 6, ESBL 7, ESBL 9, UPEC 4, UPEC 5 ESBL 1, UPEC 2, UPEC 3, MG1655 TG1
  1. Basal biofilm production after 24 h in ESBL-producing isolates (ESBL), non-ESBL-producing UPEC isolates (UPEC) and non-pathogenic E. coli K-12 strains (MG1655 and TG1) evaluated by the crystal violet method and measured by absorbance levels (A540). Detectable biofilm production was considered at A540 ≥ 0.1. Mean values from three to six independent experiments