TABLE 2.

Quantitative comparison of the architectures of wild-type V. cholerae biofilms formed in various model freshwater media^a

Medium	Biomass (μm3/μm2)	Fraction of substratum covered by cells	Avg thickness (μm)	Maximum thickness (μm)
10 mM NaCl/YT	1.93 ± 0.66	0.58 ± 0.06	2.83 ± 1.02	10.19 ± 1.15
10 mM NaCl/CAA	0.11 ± 0.02	0.08 ± 0.01	0.16 ± 0.02	1.49 ± 0.31
10 mM NaCl/CAA/CRB	1.85 ± 0.27	0.42 ± 0.05	2.17 ± 0.31	11.38 ± 0.69
CRW/CAA	0.4 ± 0.06	0.37 ± 0.04	0.45 ± 0.06	2.64 ± 0.84

^aBiofilms were formed in either 10 mM NaCl supplemented with YT (10 mM NaCl/YT), 10 mM NaCl supplemented with CAA (10 mM NaCl/CAA), 10 mM NaCl supplemented with CAA and monosaccharides (10 mM NaCl/CAA/CRB), or Charles River water supplemented with CAA (CRW/CAA). Values were calculated by using the Comstat program (13).