Table 1.

Comparison of the whole-cell biosensors constructed in this study to previously reported arsenic whole-cell biosensors.

Host	Reporter gene	Limit of detection for As (μM)	Range of detection for As (μM)	Reference
Escherichia coli	luxAB	0.09	0.13–1.33	[46]
Escherichia coli	gfp	0.067	0.13–2.67	[20]
Escherichia coli	egfp	0.13	0–1.33	[3]
Escherichia coli	luxCDABE	0.01	0.05–0.80	[42]
Shewanella oneidensis	mtrB	40	40–100	[47]
Escherichia coli	luxCDABE	0.10	0.05–5.00	[12]
Escherichia coli	gfp	0.01	0.013–0.67	[22]
Escherichia coli	lacZ	0.13	0.13–6.67	[14]
Escherichia coli	egfp	0.033	0.033–0.67	[50]
Escherichia coli	mCherry	0.10	0.067–1.87	[19]
Escherichia coli	gfp	0.01	0.10–4.00	[5]
Escherichia coli	gfp	0.01	0.03–0.1	This study