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. 2016 Jul 14;12(7):e1005758. doi: 10.1371/journal.ppat.1005758

Table 1. Bacterial strains and plasmids.

Strain or plasmid Characteristics Source or reference
Strain
E. coli
DH5α F– Φ80dlacZΔM15 Δ(lacZYA-argF) U169 recA1 endA1 hsdR17(rK , mK +) deoR thi-1 supE44 gyrA96 relA1 Life Technologies
Top10 F–mcrA Δ(mrr - hsdRMS - mcrBC) Φ80lacZΔM15 ΔlacX74 nupG recA1 araD139 Δ(ara-leu)7697 galU galK rpsL (StrR) endA1 λ Life Technologies
MM294 F, endA1, hsdR17(rK mK +), supE44, thi-1, recA + [50]
B. subtilis
BS34A B. subtilis donor that carries a single copy of Tn916 on its chromosome, TcR [51]
JIR6342 BS34A carrying cdtR TargeTron plasmid, pJIR4153 This study
JIR6345 BS34A carrying cdtR complementation plasmid, pJIR4218 This study
JIR6346 BS34A carrying shuttle plasmid, pDLL24 This study
C. difficile
M7404 Canadian BI/NAP1/027 isolate [6]
R20291 UK BI/NAP1/027 isolate [39]
CD37 Non-toxigenic C. difficile isolate [52]
JGS6133 Porcine ribotype 078 isolate [12]
DLL3094 M7404 (pDLL24) This study
cdtR1 (or JIR8707) M7404 cdtR::TargeTron (mutant 1), LnR This study
cdtR2 (or JIR8708) M7404 cdtR::TargeTron (mutant 2), LnR This study
JIR8739 JIR8707 (pDLL24), LnR, TmR This study
JIR8740 JIR8707 (pJIR4218), LnR, TmR This study
JIR8741 JIR8708 (pDLL24), LnR, TmR This study
JIR8742 JIR8708 (pJIR4218), LnR, TmR This study
JIR8729 R20291 cdtR::TargeTron, LnR This study
JIR8745 JIR8729 (pDLL24), LnR, TmR This study
JIR8746 JIR8729 (pJIR4218), LnR, TmR This study
JIR8747 R20291 (pDLL24), TmR This study
JIR8733 JGS6133 (pDLL24), TmR This study
JIR8735 JGS6133 (pJIR4218) This study
Plasmid
pDLL4 C. difficile shuttle vector allows plasmid to be mobilised by Tn916, TmR [12]
pDLL24 pDLL4 carrying lacZα, CmR This study
pJIR4218 pDLL24 carrying cdtR and its promoter, CmR This study
pDLL45 pMTL9361 derivative with HindIII and BsrGI sites removed from rep; TmR This study
pDLL55 Derivative of pDLL45 carrying lacZα; TmR This study
pJIR4135 Group II intron of pDLL45 retargeted to insert between codons 288/289 of the cdtR gene, CmR This study
pJIR4153 pDLL55 (StuI/HindIII)Ω pJIR4135 group II intron (StuI/HindIII) This study