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. 2017 May 10;474(11):1769–1787. doi: 10.1042/BCJ20170115

Table 3. Analysis of the nasT promoter by lacZ (β-galactosidase activity) gene fusion in P. denitrificans wild-type and ntrB and ntrY mutant strains.

Strain/construct	N-source
Strain/construct	NH₄⁺	NO₃⁻	Glu	Glu + NO₃⁻
WT/PnasT (native)	71 ± 5	14 500 ± 143	11 000 ± 120	15 000 ± 152
WT/PnasT (mutated)*	50 ± 3	220 ± 14	53 ± 5	600 ± 25
ntrY/PnasT (native)	n.d.	n.d.	11 500 ± 115	15 200 ± 135
ntrB/PnasT (native)	n.d.	n.d.	10 ± 1	120 ± 4

^*

The base substitutions are specified in Supplementary Table S2. Abbreviations: n.d., not determined.