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. 2012 Oct 17;7(10):e47896. doi: 10.1371/journal.pone.0047896

Table 1. Bacterial strains and plasmids used in this work.

Strain Description Reference or source
B. cenocepacia J2315 CF sputum isolate [44]
B. cenocepacia CJ1 B. cenocepacia J2315 derivative with the hfq gene interrupted by a Tp gene cassette [20]
B. cenocepacia CJ2 B. cenocepacia J2315 derivative with the hfq2 gene interrupted by a non-sense stop mutation [20]
B. cenocepacia J2315+ pSAS3 B. cenocepacia J2315 harbouring plasmid pSAS3 [20]
B. cenocepacia CJ1+ pSAS3 B. cenocepacia CJ1 mutant harbouring plasmid pSAS3 [20]
B. cenocepacia CJ4 B. cenocepacia J2315 harbouring plasmid pCGR17 This study
B. cenocepacia CJ5 B. cenocepacia J2315 harbouring plasmid pCGR18 This study
B. cenocepacia CJ6 B. cenocepacia CJ2 mutant harbouring plasmid pCGR27 This study
B. cenocepacia CJ7 B. cenocepacia CJ4 harbouring plasmid pCGR27 This study
B. cenocepacia CJ8 B. cenocepacia CJ5 harbouring plasmid pCGR27 This study
B. cenocepacia CJ9 B. cenocepacia J2315 harbouring plasmid pCGR31 This study
B. cenocepacia CJ10 B. cenocepacia J2315 harbouring plasmid pCGR32 This study
B. cenocepacia CJ11 B. cenocepacia J2315 harbouring plasmid pMLBAD This study
B. cenocepacia CJ12 B. cenocepacia J2315 harbouring plasmid pBBR1 This study
E. coli BL21 Host for recombinant protein expression Stratagene
E. coli TOP10 F' Host for recombinant plasmids Invitrogen
Plasmids
pCR II ApR; KmR; TOPO-TA cloning plasmid Invitrogen
pET23a+ ApR, used for C-terminal 6×histidine-tagged protein expression. Stratagene
pMLBAD TmpR; used for gene expression in Bcc [45]
pBBR1MCS CmR; used for gene expression in Bcc [46]
pSAS5 pWH884 with the hfq2 gene cloned [20]
pSAS6 pET23a+ with the ompA gene clone (Sousa, SA, Leitão JH) Unpublished data
pSAS3 (phfq) pMLBAD with the hfq gene cloned [21]
pCGR4 pET23a+ with the hfq gene [21]
pCGR10 pCR II with the 136 bp cDNA fragment of the h2cR sRNA TA-cloned This study
pCGR11 pCR II with the 668 bp cDNA fragment of the hfq2 mRNA TA-cloned This study
pCGR12 pCR II with the 216 bp cDNA fragment of the 5′UTR hfq2 RNA TA-cloned This study
pCGR13 pCR II with the 216 bp cDNA fragment of the5′UTR hfq2 RNA cloned in the HindIII/BamHI sites (T7 promoter control) This study
pCGR14 pCR II with the 136 bp cDNA fragment of the h2cR RNA cloned in the HindIII/BamHI sites (T7 promoter control) This study
pCGR17 (ph2cR) pMLBAD with the 136 bp cDNA fragment of the h2cR RNA cloned in the XbaI/HindIII sites This study
pCGR18 (h2cRsil) pMLBAD with the 104 bp anti sense cDNA fragment of the h2cR with a cca extension cloned in the EcoRI/XbaI sites This study
pCGR26 pCGR13 with the his-tagged Hfq2 cloned in the HindIII/EcoRI sites This study
pCGR27 (pThfq2) pBBR1MCS with the N-terminus 6xhistidine tagged hfq2 and its complete 5′UTR cloned in the XhoI/HindIII sites This study
pCGR28 pCR II with the 180 bp cDNA fragment of the −220 to −40 region of hfq2 5′UTR cloned in the XbaI/HindIII sites This study
pCGR29 pCR II with the 100 bp cDNA fragment of the −70 to +30 region of hfq2 5′UTR cloned in the XhoI/BamHI sites This study
pCGR30 pCR II with the250 bp cDNA fragment of the −220 to +30 region of hfq2 5′UTR cloned in the XbaI/NotI sites This study
pCGR31 pBBR1 with the 136 bp cDNA fragment of the h2cR RNA cloned in the XbaI/HindIII sites This study
pCGR32 pBBR1 with the 104 bp anti sense cDNA fragment of the h2cR with a cca extension cloned in the EcoRI/XbaI sites This study