TABLE 1.

Bacterial strains used in this study

M. catarrhalis strainDescription or phenotypeSource or reference
O35EWild-type disease isolate3
O35E.118CATuspA1::cat reporter strain39
O35E.2ZEOIsogenic uspA2 mutant of strain O35E with a Zeocin resistance cartridge inserted into the uspA2 geneThis study
O35E.HGIsogenic hag mutant of strain O35E with a spectinomycin resistance cartridge inserted into the hag geneThis study
O35E.ZCSuspA1 uspA2 hag mutant of strain O35EThis study
O35E.ZCuspA1 uspA2 mutant of strain O35E; expresses HagThis study
O35E.1HGuspA1 hag mutant of strain O35E; expresses UspA2This study
O35E.2HGuspA2 hag mutant of strain O35E; expresses UspA1This study
O12EWild-type disease isolate1
4223Wild-type disease isolate37
O46EWild-type disease isolate38
ATCC 25238Wild-type strainAmerican Type Culture Collection
ATCC 25240Wild-type strainAmerican Type Culture Collection
P44Wild-type disease isolate34
TTA24Wild-type disease isolate14
TTA37Wild-type disease isolateSteven Berk
E22Wild-type disease isolate5
V1171Wild-type isolate from the nasopharynx of a healthy childFrederick Henderson
ETSU-13Serum-resistant wild-type strainSteven Berk
ETSU-25Serum-sensitive wild-type strainSteven Berk