Streptococcus suis, an emerging drug-resistant animal and human pathogen

Streptococcus suis, a major porcine pathogen, has been receiving growing attention not only for its role in severe and increasingly reported infections in humans, but also for its involvement in drug resistance. Recent studies and the analysis of sequenced genomes have been providing important insig...

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Main Authors: Claudio ePalmieri, Pietro Emanuele Varaldo, Bruna eFacinelli
Format: Article
Language:English
Published: Frontiers Media S.A. 2011-11-01
Series:Frontiers in Microbiology
Subjects:
Online Access:http://journal.frontiersin.org/Journal/10.3389/fmicb.2011.00235/full
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author Claudio ePalmieri
Pietro Emanuele Varaldo
Bruna eFacinelli
author_facet Claudio ePalmieri
Pietro Emanuele Varaldo
Bruna eFacinelli
author_sort Claudio ePalmieri
collection DOAJ
description Streptococcus suis, a major porcine pathogen, has been receiving growing attention not only for its role in severe and increasingly reported infections in humans, but also for its involvement in drug resistance. Recent studies and the analysis of sequenced genomes have been providing important insights into the S. suis resistome, and have resulted in the identification of resistance determinants for tetracyclines, macrolides, aminoglycosides, chloramphenicol, antifolate drugs, streptothricin, and cadmium salts. Resistance gene-carrying genetic elements described so far include integrative and conjugative elements, transposons, genomic islands, phages, and chimeric elements. Some of these elements are similar to those reported in major streptococcal pathogens such as Streptococcus pyogenes, Streptococcus pneumoniae, and Streptococcus agalactiae and share the same chromosomal insertion sites. The available information strongly suggests that S. suis is an important antibiotic resistance reservoir that can contribute to the spread of resistance genes to the above-mentioned streptococci. S. suis is thus a paradigmatic example of possible intersections between animal and human resistomes.
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spelling doaj.art-948d5473042448368d81401668eb01392022-12-22T01:38:03ZengFrontiers Media S.A.Frontiers in Microbiology1664-302X2011-11-01210.3389/fmicb.2011.0023516700Streptococcus suis, an emerging drug-resistant animal and human pathogenClaudio ePalmieri0Pietro Emanuele Varaldo1Bruna eFacinelli2Università Politecnica delle MarcheUniversità Politecnica delle MarcheUniversità Politecnica delle MarcheStreptococcus suis, a major porcine pathogen, has been receiving growing attention not only for its role in severe and increasingly reported infections in humans, but also for its involvement in drug resistance. Recent studies and the analysis of sequenced genomes have been providing important insights into the S. suis resistome, and have resulted in the identification of resistance determinants for tetracyclines, macrolides, aminoglycosides, chloramphenicol, antifolate drugs, streptothricin, and cadmium salts. Resistance gene-carrying genetic elements described so far include integrative and conjugative elements, transposons, genomic islands, phages, and chimeric elements. Some of these elements are similar to those reported in major streptococcal pathogens such as Streptococcus pyogenes, Streptococcus pneumoniae, and Streptococcus agalactiae and share the same chromosomal insertion sites. The available information strongly suggests that S. suis is an important antibiotic resistance reservoir that can contribute to the spread of resistance genes to the above-mentioned streptococci. S. suis is thus a paradigmatic example of possible intersections between animal and human resistomes.http://journal.frontiersin.org/Journal/10.3389/fmicb.2011.00235/fullStreptococcus suisTransposonchimeric elementGenomic islandintegrative and conjugative elementPhage
spellingShingle Claudio ePalmieri
Pietro Emanuele Varaldo
Bruna eFacinelli
Streptococcus suis, an emerging drug-resistant animal and human pathogen
Frontiers in Microbiology
Streptococcus suis
Transposon
chimeric element
Genomic island
integrative and conjugative element
Phage
title Streptococcus suis, an emerging drug-resistant animal and human pathogen
title_full Streptococcus suis, an emerging drug-resistant animal and human pathogen
title_fullStr Streptococcus suis, an emerging drug-resistant animal and human pathogen
title_full_unstemmed Streptococcus suis, an emerging drug-resistant animal and human pathogen
title_short Streptococcus suis, an emerging drug-resistant animal and human pathogen
title_sort streptococcus suis an emerging drug resistant animal and human pathogen
topic Streptococcus suis
Transposon
chimeric element
Genomic island
integrative and conjugative element
Phage
url http://journal.frontiersin.org/Journal/10.3389/fmicb.2011.00235/full
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