TABLE 1

Relative levels of XMEs in various tissues of control rats (reassociated with rat microbiota)

Levels were determined in pooled samples from six animals using immunoblotting, as illustrated in Fig. 1 for GSTA1/2. The value of the tissue and gender with the highest expression was set as 1.

	Relative Level (Compared with Tissue with Highest Expression)
	Liver			Small Intestine			Cecum		Colon
	M	F	M	F	M	F	M	F
GSTA1/2	1	1	0.4	0.4	0.001	0.001	0.002	0.002
GSTA3	0.3	1	0.001	0.001	0.02	0.02	0.01	0.01
GSTA4	0.4	1	0.2	0.3	0.3	0.2	0.1	0.07
GSTM1	1	0.3	0.009	0.007	0.005	0.006	0.02	0.02
GSTP1	0.03	0.04	0.5	0.6	0.8	0.8	1	1
GSTT2	0.5	1	0.01	0.01	0.08	0.08	0.1	0.1
GPX2	0.02	0.05	0.04	0.04	0.9	0.7	0.7	1
EPHX1	0.7	1	0.03	0.02	0.009	0.01	0.008	0.008
EPHX2	0.8	1	1	0.9	0.4	0.5	0.9	0.8
SULT1A1	1	0.6	–	–	–	–	–	–
SULT1B1	1	0.6	–	–	0.04	0.06	0.3	0.3
SULT1C1	1	0.2	–	–	–	–	–	–
SULT1C2	0.8	1	–	–	0.2	0.2	0.3	0.2
SULT1E1	1	–	–	–	–	–	–	–
SULT2A	0.01	1	–	–	–	–	–	–
NAT1	1	0.9	0.02	0.02	0.1	0.1	0.3	0.3
NAT2	–	–	–	–	0.6	0.5	0.9	1

M, males; F, females; –, not detectable up to the highest amount of sample used (150 μg of protein per lane).