TABLE 2.

Detection of CT produced by environmental strains of V. cholerae in YEP and AKI media by GM₁ ELISA^a

Strain or component tested	OD492
	YEP	AKI
SCE188	0.76 ± 0.27	0.35 ± 0.03
SCE188a	1.78 ± 0.56	0.77 ± 0.20
SCE200	0.69 ± 0.24	0.69 ± 0.13
SCE201	0.89 ± 0.09	0.64 ± 0.11
SCE223	0.17 ± 0.07	0.18 ± 0.10
SCE354	0.06 ± 0.01	0.06 ± 0.01
VC20	2.43 ± 0.12	1.81 ± 0.42
SCE18	0.11 ± 0.04	0.03 ± 0.02
Bufferb	0.13 ± 0.04	0.01 ± 0.12
Medium	0.17 ± 0.02	0.22 ± 0.03
CT (1 ng)	0.64 ± 0.03	0.59 ± 0.08
CT (0.1 ng)	0.33 ± 0.01	0.25 ± 0.02

^aVC20 was a positive control, SCE18 was a negative control, and SCE188a was animal passaged. 

^bComponents (buffer, medium, CT) were tested without strains.