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mefE is necessary for the erythromycin-resistant M phenotype in Streptococcus pneumoniae

Open access
Tait-Kamradt, A, Clancy, J, Cronan, M, Dib-Hajj, F, Wondrack, L, Yuan, W, Sutcliffe, J·1997·Antimicrobial Agents and Chemotherapy

Abstract

Recently, it was shown that a significant number of erythromycin-resistant Streptococcus pneumoniae and Streptococcus pyogenes strains contain a determinant that mediates resistance via a putative efflux pump. The gene encoding the erythromycin-resistant determinant was cloned and sequenced from three strains of S. pneumoniae bearing the M phenotype (macrolide resistant but clindamycin and streptogramin B susceptible). The DNA sequences of mefE were nearly identical, with only 2-nucleotide differences between genes from any two strains. When the mefE sequences were compared to the mefA sequence from S. pyogenes, the two genes were found to be closely related (90% identity). Strains of S. pneumoniae were constructed to confirm that mefE is necessary to confer erythromycin resistance and to explore the substrate specificity of the pump; no substrates other than 14- and 15-membered macrolides were identified.

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Metadata

Authors
Tait-Kamradt, A., Clancy, J., Cronan, M., Dib-Hajj, F., Wondrack, L., Yuan, W., & Sutcliffe, J.
Venue
Antimicrobial Agents and Chemotherapy
Published
1997-10
Volume
41
Issue
10
Pages
2251-2255
ISSN
  • 0066-4804 (ISSN-L)
  • 1098-6596
OpenAlex
W2105160780
Cited by
298
References
0
FWCI
11.41
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: mefE is necessary for the erythromycin-resistant M phenotype in Streptococcus pneumoniae. https://app.cochat.ai/papers/10.1128/aac.41.10.2251
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Tait-Kamradt, A., Clancy, J., Cronan, M., Dib-Hajj, F., Wondrack, L., Yuan, W., & Sutcliffe, J. (1997). mefE is necessary for the erythromycin-resistant M phenotype in Streptococcus pneumoniae. Antimicrobial Agents and Chemotherapy. https://doi.org/10.1128/aac.41.10.2251

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