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Table 3 Effect of gadX, gadY, and gadXY on btuB promoter

From: Repression of btuB gene transcription in Escherichia coliby the GadX protein

Plasmids

β-galactosidase activitya

% inhibitionb

(A): pGAD10/pC-lacZ

0

 

(B): pGAD10/pCB1285lacZ

48.8 ± 3.9

 

(C): pGadXY/pCB1285lacZ

22.3 ± 0.7

54.4

(D): pGadX/pCB1285lacZ

38.9 ± 2.6

20.5

(E): pGadY/pCB1285lacZ

38.9 ± 2.0

20.3

  1. aMiller unit
  2. bCalculated according to the following equation: 1- [β-galactosidase activity of (C), (D), or (E) ÷ β-galactosidase activity of (A)] × 100%.
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BMC Microbiology

ISSN: 1471-2180

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