Berning, M.

mutation tetracycline tetracycline resistance pylori resistance mutant helicobacter pylori strain helicobacter rrna genes double-base-pair mutations growth sequence rrna gene position agents chemother agc mutants rrna gene mutations positions 926 growth rates chemother agent table antimicrob double-base-pair rrna mutations growth rate 1.5 rrna gene sequences ttc mutation rrnb gene presence 2.0 isogenic mutants pylori strains effect 2000. wild-type subculturing difference 6.0 agc mutation wild-type strain genome triple-base-pair el zaatari center rotterdam strain differences agc mutations mutagenesi result antimicrobial agents level rotterdam genome sequence stability primers pathogen helicobacter pylori helicobacter pylori infection storage graham base pair mutation 3 february 2003/ tetracycline resistance results site-directed mutagenesis mic columbia agar plates rrna mutationc sequencing 0.19 netherland table 2. characterization kuiper 926-9283ttc 2002. study kuster site-directed oligonucleotide pylori strain 26695 29842986 0066-4804/03/$08.00 0 2986 notes antimicrob