. 2018 Jan 24;3(1):e00517-17. doi: 10.1128/mSphere.00517-17

TABLE 4 .

Gene copy numbers determined by RT-qPCR^c

Stool sample	ETEC strain	Cholera toxin	ETEC toxin	Copy no./15 ng of cDNA for gene:
Stool sample	ETEC strain	Cholera toxin	ETEC toxin	ctxB	eltB	estA2 to estA4	estA1
1/001	x^a	CT	STh	118	5.6	92
3/005				55
4/007	E2264		LT		2,705
5/008	E2265		STh/LT		823	80,223
8/014					24	151
9/018	E2266	CT	STp	44
12/024		CT		167	0.2
15/026	x^a	CT	LT	1,880
16/027	E2267		STp/LT^b		227	3,969
17/030	E2268	CT	LT	0.07	0.07	1.3
18/033	E2269		STp/LT	3.4	4,020		25,887

^{^a}

Isolate not recovered.

^{^b}

This sample was a mixture of several different ETEC isolates.

^{^c}

Correlation between toxin profile determined by multiplex PCR and detection of corresponding gene is indicated in bold.