Literature DB >> 1083201

Spurious ampicillin resistance by testing Haemophilus influenzae with agar containing supplement C.

J A Washington, R J Snyder, P C Kohner.   

Abstract

Ampicillin resistance (minimal inhibitory concentration >/=10 mug/ml) in the absence of beta-lactamase activity by Haemophilus influenzae was noted in tests performed with Mueller-Hinton agar containing one lot of supplement C. All strains, except five with known resistance due to beta-lactamase activity, were inhibited by 0.6 mug or less of ampicillin per ml of chocolatized blood agar.

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Year:  1976        PMID： 1083201      PMCID： PMC429499          DOI： 10.1128/AAC.9.1.199

Source DB:  PubMed          Journal:  Antimicrob Agents Chemother        ISSN： 0066-4804            Impact factor:   5.191


  3 in total

1.  Antimicrobial susceptibility of Haemophilus influenzae.

Authors:  C Thornsberry; L A Kirven
Journal:  Antimicrob Agents Chemother       Date:  1974-11       Impact factor: 5.191

2.  Ampicillin resistance in Haemophilus influenzae as determined by a rapid test for beta-lactamase production.

Authors:  C Thornsberry; L A Kirven
Journal:  Antimicrob Agents Chemother       Date:  1974-11       Impact factor: 5.191

3.  Simplified medium for ampicillin susceptibility testing of Haemophilus influenzae.

Authors:  J H Jorgensen; P M Jones
Journal:  Antimicrob Agents Chemother       Date:  1975-02       Impact factor: 5.191
  3 in total
  10 in total

1.  Method for evaluating broth culture media: application to Haemophilus.

Authors:  A W Brinkley; T W Huber
Journal:  J Clin Microbiol       Date:  1978-11       Impact factor: 5.948

Review 2.  Haemophilus influenzae: antibiotic susceptibility.

Authors:  C A Needham
Journal:  Clin Microbiol Rev       Date:  1988-04       Impact factor: 26.132

3.  Comparison of in vitro activity of cephalexin, cephradine, and cefaclor.

Authors:  N J Bill; J A Washington
Journal:  Antimicrob Agents Chemother       Date:  1977-03       Impact factor: 5.191

4.  Comparison of broth microdilution and agar dilution for susceptibility testing of Neisseria gonorrhoeae.

Authors:  T A Geers; A M Donabedian
Journal:  Antimicrob Agents Chemother       Date:  1989-02       Impact factor: 5.191

Review 5.  Antimicrobial susceptibility testing of Haemophilus influenzae, Branhamella catarrhalis, and Neisseria gonorrhoeae.

Authors:  G V Doern; R N Jones
Journal:  Antimicrob Agents Chemother       Date:  1988-12       Impact factor: 5.191

6.  Chloramphenicol kills Haemophilus influenzae more rapidly than does ampicillin or cefamandole.

Authors:  V Schauf; D C Green; L van der Stuyf; L Riff
Journal:  Antimicrob Agents Chemother       Date:  1983-03       Impact factor: 5.191

7.  Effect of inoculum size and beta-lactamase production on in vitro activity of new cephalosporins against Haemophilus species.

Authors:  R R Bulger; J A Washington
Journal:  Antimicrob Agents Chemother       Date:  1980-03       Impact factor: 5.191

8.  Ampicillin killing curve patterns of Haemophilus influenzae type b isolates by agar dilution plate count method.

Authors:  B F Woolfrey; M E Gresser-Burns; R T Lally
Journal:  Antimicrob Agents Chemother       Date:  1987-11       Impact factor: 5.191

9.  Improved medium for antimicrobial susceptibility testing of Haemophilus influenzae.

Authors:  J H Jorgensen; J S Redding; L A Maher; A W Howell
Journal:  J Clin Microbiol       Date:  1987-11       Impact factor: 5.948

10.  Influence of growth medium and supplement on growth of Haemophilus influenzae and on antibacterial activity of several antibiotics.

Authors:  M G Bergeron; P Simard; P Provencher
Journal:  J Clin Microbiol       Date:  1987-04       Impact factor: 5.948
  10 in total

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