. Author manuscript; available in PMC: 2016 Aug 1.

Published in final edited form as: Mol Microbiol. 2015 Jun 6;97(4):698–716. doi: 10.1111/mmi.13056

Table 5.

Role of TnrA in expression of dtpT-lacZ fusions

Strain	Fusion promoter	Relevant genotype	Nitrogen source	β-Galactosidase activity	Fold regulation
Strain	Fusion promoter	Relevant genotype	Nitrogen source	β-Galactosidase activity	Glt/NH₄⁺	tnrA⁺/tnrA
BB3928	dtpT279p⁺	wild type	NH₄⁺	0.69		1.6
			Glt	3.26	4.7	7.8
BB3930		codY	NH₄⁺	0.42		1.2
			Glt	2.28	5.4	6.7
BB3992		tnrA	NH₄⁺	0.43
			Glt	0.42	1.0
BB3960		codY tnrA	NH₄⁺	0.34
			Glt	0.34	1.0
BB3929		scoC	NH₄⁺	61.7		0.96
			Glt	57.1	0.93	1.0
BB3969		scoC tnrA	NH₄⁺	64.6
			Glt	56.4	0.87
BB3971	dtpT279p3	wild type	NH₄⁺	24.5
			Glt	26.0	1.1

Cells were grown and β-galactosidase activity was assayed as described in Table 4.