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. 2013 Feb 8;8(2):e56097. doi: 10.1371/journal.pone.0056097

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

Strain Relevant genotype or remarks Source
Neisseria meningitidis
M7 Unencapsulated NMB derivative [24]
JC2 M7 mtrR::kana This study
JC3 As JC2 but mtrR+ delivered using vector pGCC3 This study
JC4 As JC3 but mtrR+ delivered using vector pGCC4 This study
JC5 M7 farR::spcb This study
JC6 As JC5 but farR+ delivered using vector pGCC3 This study
JC7 As JC5 but mtrR::kan This study
JC8 As JC7 but farR+ delivered using vector pGCC3 This study
JC9 As JC7 but mtrR+ delivered using vector pGCC4 This study
M7AZ As M7 but with a nadA promoter translationally-fused to lacZ and delivered by pLES94 termed nadA-lacZ This study
JC2AZ As JC2 but with a nadA-lacZ This study
JC3AZ As JC3 but with a nadA-lacZ This study
JC4AZ As JC4 but with a nadA-lacZ This study
JC5AZ As JC5 but with a nadA-lacZ This study
JC6AZ As JC6 but with a nadA-lacZ This study
JC7AZ As JC7 but with a nadA-lacZ This study
JC8AZ As JC8 but with a nadA-lacZ This study
JC9AZ As JC9 but with a nadA-lacZ This study
M7RZ As M7 but with an mtrR promoter translationally-fused to lacZ and delivered by pLES94 termed mtrR-lacZ This study
M7FZ As M7 but with an farR promoter translationally-fused to lacZ and delivered by pLES94 termed farR-lacZ This study
JC2FZ As JC2 but with a farR-lacZ This study
JC3FZ As JC3 but with a farR-lacZ This study
JC4FZ As JC4 but with a farR-lacZ This study
Escherichia coli
DH5α [F Φ80dlacZΔM15 Δ(lacZYA-argF)U169 endA1 recA1 hsdR17(rΚ mΚ +) deoR thi-1 supE44 λ gyrA96 relA1] [41]
Top10 [F mcrA Δ(mrr-hsdRMS-mcrBC)Φ80 lacZΔM15 ΔlacX74 recA1 deoR araD139 Δ(ara-leu)7697 galU galK rpsL (Strr endAI nupG)] Invitrogen
Plasmids
pCR®2.1-TOPO® pUC-derived cloning vector; AmpR Invitrogen
pUC18K Source of aphA-3 cassette; KanR [36]
pHP45Ω Source of spc cassette; SpcR [42]
pLES94 pUC18K-derivative allowing a translational fusion to a promoterless lacZ fusion and insertion between neisserial proA and proB genes. [23]
pGCC3 NCIS vector for insertion of genes directed under their native promoter between neisserial lctp and aspC genes. [37]
pGCC4 As pGCC3 except inserted genes are directed under an IPTG-inducible promoter [37]
pMal-c2 IPTG-inducible expression vector for fusion of proteins to maltose binding protein (MBP) and cytoplasmic expression NE Biolabs