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. 2015 Feb 19;10(2):e0117890. doi: 10.1371/journal.pone.0117890

Table 1. Strains, plasmids and oligonucleotides.

Strain: Genotype: Source:
Vibrio cholerae
JB804 01 El Tor strain C6706, Smr [34]
JB3 01 El Tor strain N16961, Smr [4]
JB58 01 El Tor strain N16961 ΔlacZ, Smr [4]
JB114 JB58 ΔvexM [5]
JB116 JB58 ΔvexH [5]
JB432 JB58 ΔvexF [5]
JB464 JB58 ΔvexD ΔvexF ΔvexH ΔvexK ΔvexM [5]
JB485 JB58 ΔvexB ΔvexD ΔvexF ΔvexH ΔvexK ΔvexM [5]
JB495 JB58 ΔvexB [4]
JB528 JB58 ΔvexK [5]
JB692 JB58 ΔvexD [4]
JB694 JB58 ΔvexB ΔvexD [4]
JB718 JB58 ΔvexR ΔvexD This study
XBV218 JB58 ΔvexR This study
XBV220 JB58 ΔvexR ΔvexB ΔvexD ΔvexF ΔvexH ΔvexK ΔvexM This study
MKW589 ΔcpxR lacZ::cpxP-lacZ [26]
DT1458 JB58 lacZ::cpxP-lacZ [26]
DT1572 JB58ΔvexB lacZ::cpxP-lacZ [26]
DT1460 JB485 lacZ::cpxP-lacZ [26]
DT1693 JB495 lacZ::cpxP-lacZ This study
VA367 JB58 ΔvexR ΔcpxR lacZ::cpxP-lacZ This study
EC8508 C6706 Tn::VC0027(ilvA) [33]
EC20412 C6706 Tn::VC0051(purK) [33]
EC1769 C6706 Tn::VC0052(purE) [33]
EC23411 C6706 Tn::VC0164(vexB) [33]
EC24273 C6706 Tn::VC0374(pgi) [33]
EC14462 C6706 Tn::VC0384(cysJ) [33]
EC5082 C6706 Tn::VC0385(cysI) [33]
EC9587 C6706 Tn::VC0386(cysH) [33]
EC19978 C6706 Tn::VC0537(cysM) [33]
EC11960 C6706 Tn::VC0767(guaB) [33]
EC4709 C6706 Tn::VC0774 [33]
EC11507 C6706 Tn::VC0819(aldA-1) [33]
EC8862 C6706 Tn::VC0923 [33]
EC11848 C6706 Tn::VC0968(cysK) [33]
EC10232 C6706 Tn::VC1061 [33]
EC5818 C6706 Tn::VC1169(trpA) [33]
EC24412 C6706 Tn::VC1170(trpB) [33]
EC12331 C6706 Tn::VC1171(trpC/F) [33]
EC11883 C6706 Tn::VC1172(trpD) [33]
EC11883 C6706 Tn::VC1173(trpG) [33]
EC11131 C6706 Tn::VC1174(trpE) [33]
EC1872 C6706 Tn::VC1579 [33]
EC389 C6706 Tn::VC1732(aroA) [33]
EC14803 C6706 Tn::VC1819(aldA-2) [33]
EC12803 C6706 Tn::VC2013(ptsG) [33]
EC7541 C6706 Tn::VC2092(gltA) [33]
EC18511 C6706 Tn::VC2209(vibF) [33]
EC10553 C6706 Tn::VC2348(deoB) [33]
EC24541 C6706 Tn::VC2362(thrC) [33]
EC19558 C6706 Tn::VC2363(thrB) [33]
EC13310 C6706 Tn::VC2364(thrA) [33]
EC1335 C6706 Tn::VC2558(cysC) [33]
EC13560 C6706 Tn::VC2559(cysN) [33]
EC21282 C6706 Tn::VC2560(cysD) [33]
EC9914 C6706 Tn::VC2649(cysE) [33]
EC20144 C6706 Tn::VCA0013(malP) [33]
EC2460 C6706 Tn::VCA0014(malQ) [33]
EC4499 C6706 Tn::VCA0765(ybjU) [33]
EC9834 C6706 Tn::VCA0886(kbl) [33]
EC3123 C6706 Tn::VCA0896(zwf) [33]
EC14445 C6706 Tn::VCA0987(ppsA) [33]
EC21873 C6706 Tn::VCA1046(mtlD) [33]
Escherichia coli
EC100Dpir+ F- mcrA Δ(mrr-hsdRMS-mcrBC) Φ80dlacZΔM15 ΔlacX74 recA1 endA1 araD139 Δ(ara, leu)7697 galU galK λ- rpsL (SmR) nupG pir+ Epicentre
SM10λpir thi-1 thr leu tonA lacY supE recA::RP4-2-4-Tc::Mu KmRpirR6K) [62]
ER2566 F- glnV44(AS) galK2(Oc) rpsL704(strR) xylA5 mtl-1 argE3(Oc) thiE1 tfr-3 λ DE3 = λ sBamHIo ∆EcoRI-B int::(lacI::PlacUV5::T7 gene1) i21 Δnin5 New England BioLabs
Plasmids: Description:
pBAD18 Expression plasmid, CbR, pBR322 origin of replication [63]
pCM10 Vector for construction of luxCDABE transcriptional fusions, KmR, ori101 [64]
pDT1076 pCM10 containing the vexR promoter region from N16961 This study
pDT1146 pMMB66EH::vexR This study
pDT1777 pDT1076 with Cm-mark cassette inserted into the vector, CmR This study
pJB703 pBAD18::vexR This study
pMAL-c2 Expression plasmid for fusion of proteins to MBP and cytoplasmic expression, CbR, pBR322 origin of replication New England BioLabs
pMMB66EH Expression plasmid, CbR, oriV/T [7]
pSC137 Vector for transposon mutagenesis of bacteria, CmR, oriR6K
pMAL-c2::vexR vexR cloned into pMAL-c2 This study
pTL61T Vector for construction of lacZ transcriptional fusions, CbR, oriRK2 [12]
pWM91 Suicide plasmid vector used for allelic exchange, CbR, oriR6K/fl [65]
pWM91::ΔvexR pWM91::ΔvexR This study
pXB233 pTL61T containing the vexR promoter region from N16961 This study
pXB228 pTL61T containing the vexEF promoter region [26]
pXB229 pTL61T containing the vexGH promoter region [26]
pXB230 pTL61T containing the vexIJK promoter region [26]
pXB231 pTL61T containing the vexCD promoter region [26]
pXB232 pTL61T containing the vexLM promoter region [26]
pΔR cpxR::Km allelic exchange vector [37]
pJL1P’Z Allelic exchange vector for placing cpxP-lacZ into the V. cholerae genome [37]
Oligonucleotides: DNA sequence (5’–3’)::
166b-F-XhoI AACTCGAGGCAGAGAAATGTGATGT
166b-R-XbaI AATCTAGAGCCAAACAGCAGGATCG
166c-F-XhoI TTCTCGAGGGGTCCGGAGACGTACT
166c-R-XbaI CGTCTAGAGGAGCTGTTTATCGCCG
Biotin GCGGGAGTCGGCAGCG
MCS4.VexA.R CCGGATCCCATTCTGGTGCGAACTCCAAATTAGTGTTG
VC0166-SacI-F CTGAGCTCAAGGGTTCATATGCA
VC0166-XbaI-R TTTCTAGATTAGTGTTGAGTAATTGCA
VC0166-F1 CAGGATCCACTTTAGCACCGTTACTCAG
VC0166-F2 TCATTGCATCCTGTTTATCGCCGTACACTATTTC
VC0166-R1 ACCTCGAGTATTGGCCAGTATGACCTTG
VC0166-R2 CGATAAACAGGATGCAATGATTCAAGCCAGTTGG
VC0166-F-pMAL-SmaI GGCCCGGGTTGCAGAGAAATGTGATGTCTGAAATAGTG
VC0166-R-pMal-EcoR1 GGAATTCTTAGTGTTGAGTAATTGCATCC
vexR-F1 GCGGGAGTCGGCAGCGATAATAATCCGCTCACCGAG
vexR-R1 GCGGGAGTCGGCAGCGCCCCTGTTTTGCAATACACTTG
vexR-F2 GCGGGAGTCGGCAGCGTGCAAAACAGGGGGTATTAG
vexR-R2 GCGGGAGTCGGCAGCGGCCGTACACTATTTCAGACA
XWL-BRL-F CGCAGGGTTTTCCCAGTCACGAC