Bro bro-2 isogenic mutant of strain O35E, kanR This study O12E WT

Bro bro-2 isogenic mutant of click here strain O35E, kanR This study O12E WT isolate from middle ear effusion (Dallas,

TX) [28] O12E.TC S63845 tatC isogenic mutant of strain O12E, kanR This study McGHS1 WT isolate from patient with respiratory infection (Toledo, OH) [33] TTA37 WT isolate from transtracheal aspirate (Johnson City, TN) [28] V1171 WT isolate from nasopharynx of a healthy child (Chapel Hill, NC) [28] H. influenzae     DB117 Host strain for cloning experiments with pWW115 [95, 96] E. coli     EPI300 Cloning strain Epicentre® Illumina® Plasmids     pCC1 Cloning vector, camR Epicentre® Illumina® pCC1.3 pCC1-based plasmid containing kanR marker, camRkanR [31] pRB.TatA.5 Contains 886-nt insert specifying O35E tatA in pCC1, camR This study pRB.TatB.1 Contains 858-nt insert specifying O35E tatB in pCC1, camR This study pRB.TatC.2 Contains 1,018-nt insert specifying O12E tatC in pCC1, camR This study pRB.TatC:kan pRB.TatC.2 in which a kanR marker disrupts the tatC ORF, camR kanR This study pRB.Tat.1 Contains 2,083-nt insert specifying O35E tatABC

locus in pCC1, camR This study pRB.TatA:kan pRB.Tat.1 in which a kanR marker disrupts the tatA ORF, camR kanR This study AMN-107 molecular weight pRB.TatB:kan pRB.Tat.1 in which a kanR marker disrupts the tatB ORF, camR kanR This study pRN.Bro11 Contains 994-nt insert specifying O35E bro-2 in pCC1, camR This study pRB.Bro:kan pRN.Bro11 in which a kanR marker disrupts the bro-2 ORF, camR kanR This study pTS.BroKK.Ec pRN.Bro11 in which 2 arginines in the signal sequence of the bro-2 gene product were replaced with 2 lysines by site-directed mutagenesis, camR This study pWW115 M. catarrhalis-H. influenzae shuttle cloning also vector,

spcR [95] pRB.TatA pWW115 into which the tatA insert of pRB.TatA.5 was subcloned, spcR This study pRB.TatB pWW115 into which the tatB insert of pRB.TatB.1 was subcloned, spcR This study pRB.TatC pWW115 into which the tatB insert of pRB.TatC.2 was subcloned, spcR This study pRB.TAT pWW115 into which the tatABC locus of pRB.Tat.1 was subcloned, spcR This study pTS.Bro pWW115 into which the bro-2 insert of pRN.Bro11 was subcloned, spcR This study pTS.BroKK pWW115 into which the bro-2 insert of pTS.BroKK.Ec was subcloned, spcR This study Recombinant DNA techniques Standard molecular biology techniques were performed as described elsewhere [97]. Moraxella catarrhalis genomic DNA was obtained using the Easy-DNA™ kit (Invitrogen™ Life Technologies™) per the manufacturer’s instructions. Plasmid DNA was purified with the QIAprep Spin Miniprep system (QIAGEN). Polymerase chain reactions were performed using Taq DNA Polymerase (Invitrogen™ Life Technologies™) unless otherwise specified. A 1,018-nt fragment containing the tatC gene was amplified with primers P1 (5′- AAAGCCAAGCCAACGGACTT-3′) and P2 (5′-ACCTCCAAGAAACCCACGCTATCA-3′) using genomic DNA from M. catarrhalis strain O12E (see Figure 1 for more details regarding primers).

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