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Strategies to attenuate the competence regulon in Streptococcus pneumoniae

Strategies to attenuate the competence regulon in Streptococcus pneumoniae Streptococcus pneumoniae is an opportunistic respiratory human pathogen that poses a continuing threat to human health. Natural competence for genetic transformation in S. pneumoniae plays an important role in aiding pathogenicity and it is the best‐characterized feature to acquire antimicrobial resistance genes by a frequent process of recombination. In S. pneumoniae, competence, along with virulence factor production, is controlled by a cell‐density communication mechanism termed the competence regulon. In this review, we present the recent advances in the development of alternative methods to attenuate the pathogenicity of S. pneumoniae by targeting the various stages of the non‐essential competence regulon communication system. We mainly focus on new developments related to competitively intercepting the competence regulon signaling through the introduction of promising dominant‐negative Competence Stimulating Peptide (CSP) scaffolds. We also discuss recent reports on antibiotics that can block CSP export by disturbing the proton motive force across the membrane and various ways to control the pneumococcal pathogenicity by activating the counter signaling circuit and targeting the pneumococcal proteome. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Peptide Science Wiley

Strategies to attenuate the competence regulon in Streptococcus pneumoniae

Peptide Science , Volume 113 (4) – Jul 1, 2021

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References (93)

Publisher
Wiley
Copyright
© 2021 Wiley Periodicals LLC.
eISSN
2475-8817
DOI
10.1002/pep2.24222
Publisher site
See Article on Publisher Site

Abstract

Streptococcus pneumoniae is an opportunistic respiratory human pathogen that poses a continuing threat to human health. Natural competence for genetic transformation in S. pneumoniae plays an important role in aiding pathogenicity and it is the best‐characterized feature to acquire antimicrobial resistance genes by a frequent process of recombination. In S. pneumoniae, competence, along with virulence factor production, is controlled by a cell‐density communication mechanism termed the competence regulon. In this review, we present the recent advances in the development of alternative methods to attenuate the pathogenicity of S. pneumoniae by targeting the various stages of the non‐essential competence regulon communication system. We mainly focus on new developments related to competitively intercepting the competence regulon signaling through the introduction of promising dominant‐negative Competence Stimulating Peptide (CSP) scaffolds. We also discuss recent reports on antibiotics that can block CSP export by disturbing the proton motive force across the membrane and various ways to control the pneumococcal pathogenicity by activating the counter signaling circuit and targeting the pneumococcal proteome.

Journal

Peptide ScienceWiley

Published: Jul 1, 2021

Keywords: ; ; ; ;

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