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Table 2 E. coli strains1, plasmids, and primers used in this work

From: Integration of regulatory signals through involvement of multiple global regulators: control of the Escherichia coli gltBDF operon by Lrp, IHF, Crp, and ArgR

Strain/plasmid/primer

Description

Source or reference

Strains

   BE3471

PS2209 gltB (psiQ39)::lacZ (Mu d1-1734)

[28]

   BE3479

PS2209 gltB (psiQ32)::lacZ (Mu d1-1734)

[28]

   BE3779

PS2209 gltB (psiQ32)::lacZ (Mu d1-1734) lrp-35::Tn10

[28]

   BL21(DE3)

F- ompT hsdS B (rB-mB-) gal dcm (DE3)

Novagen

   JWD3

BE1 (W3110 lrp-201:: Tn10) pJWD2

[28]

   LP1000

PS2209 gltB::lacZ transcriptional fusion at λatt with -406 to +246 of the gltBDF operon

[14]

   LP1050

LP1000 ΔargR

This work

   LP1060

BL21DE3/pLP1060

This work

   LP1070

BL21DE3/pLP1070

This work

   LP1080

BL21DE3/pLP1080

This work

   LP1270

PS2209 gltB::lacZ transcriptional fusion at λatt with -270 to +246 of the gltBDF operon

This work

   LP2002

W3110 rph+

This work

   LP2010

LP2002 ΔlacZYA

This work

   LP2020

LP2010 gltB::lacZ transcriptional fusion at λatt with -406 to +246 of the gltBDF operon

This work

   LP2023

LP2020 ΔargR

This work

   PM2003

PS2209/pPM2005

This work

   PM2004

PS2209/pPM2006

This work

   PS2209

W3110 Δlac-169

F. C. Neidhardt

   W3110

F- prototroph rph

F. C. Neidhardt

   XL1-Blue

recA1 endA1 gyrA96 thi-1 hsdR17 supE44 relA1 Δlac-pro [F' proAB lacIqZΔM15 Tn10]

Stratagene

Plasmids

   pBH403

pKK232-8 with promoterless lacZ gene inserted upstream of cat gene in a derivative of pBR322

[61, 62]

   pPM2005

pBH403 with gltB promoter region cloned from BamHI to SalI

This work

   pPM2006

pPM2005 with mutations in the Crp-binding sequence

This work

   PJWD2

pTrc 99A (Pharmacia) with the lrp coding sequence cloned into the NcoI site

[28]

   pLP1060

pET23b (Novagen) with the argR coding sequence cloned into the NdeI/XhoI sites

This work

   pLP1070

pET29a (Novagen) with the crp coding sequence inserted into the NdeI/XhoI sites

This work

   pLP1080

pET28A (Novagen) with the himA and himD coding sequences inserted in tandem into the NcoI//BamHI sites

This work

   pGEMT-easy

Cloning vector

Promega

   pKO3

Suicide vector

[54]

Primers

   arg1

CGCCAGCAGCGCCGAGGACTGCGAC

 

   arg2

CACTAATTATTGAGCTAATTAATACCGCGC

 

   arg3

CATATGCGAAGCTCGGCTAAG

 

   arg4

CTCGAGTTATTAAAGCTCCTGGTCGAACAGCTC

 

   crp5

CCATATGGTGCTTGGCAAACCGC

 

   crp6

CCTCGAGTTAACGAGTGCCGTAAACGAC

 

   gltP1

CGGGATCCCATAATCACATAAATCACTTTTGCTTATC

 

   gltP2

ACGCGTCGACAGCGGATTTCCAACTTATCG

 

   gltcrp12

CAGTCAATTAATAAAGAATA TAA CGCTAAAGGCGG TTTCTGTACCAATAAGCTTGCC

 

   gltcrp2

GGCAAGCTTATTGGTACAGAAACCGCCTTTAGCGTTATATTCTTTATTAATTGACTG

 

   himA1

GGTACCGGCATCATTGAGGGATTGAACCTATGGCGCTTACA

 

   himA2

CTCGAGCTCGTCTTTGGGCGAAGC

 

   himD1

GGTACCTTAACCGTAAATATTGGCGCGATCGCG

 

   himD2

TCATGACCAAGTCAGAATTGATAGAAGAC

 

   lac6

GGATACGACGATACCGAAGACAGCTCATG

 

   lac7

CGAGCCGGAAGCATAAAGTGTAAAGC

 

   lac8

GCTTTACACTTTATGCTTCCGGCTCGGGCGTTCCTTGTCGGGTTATTCG

 

   rph1

GCGTCTGATCGCCCGTGCTCTTCGCGC

 

   rph23

CGTCGCTACAATGGATTCGATTCCCCC TCGGGC

 

   rph33

GCCCGAG GGGGAATCGAATCCATTGTAGCGACG

 

   rph4

ACGGCAGGTCCAGGTCGTGATGCTCCG

 
  1. 1All strains are Escherichia coli K-12.
  2. 2The underlined bases alter the Crp-binding site in the gltBDF promoter.
  3. 3The underlined italic base is inserted to replace the base deleted in the rph mutation.