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Antimicrobial Resistance in spp.

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  • Authors: Zhangqi Shen1, Yang Wang2, Qijing Zhang3, Jianzhong Shen4
  • Editors: Frank Møller Aarestrup5, Stefan Schwarz6, Jianzhong Shen7, Lina Cavaco8
  • VIEW AFFILIATIONS HIDE AFFILIATIONS
    Affiliations: 1: Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Veterinary Medicine, China Agricultural University, Beijing, 100193, China; 2: Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Veterinary Medicine, China Agricultural University, Beijing, 100193, China; 3: Department of Veterinary Microbiology and Preventive Medicine, College of Veterinary Medicine, Iowa State University, Ames, IA 50011; 4: Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Veterinary Medicine, China Agricultural University, Beijing, 100193, China; 5: Technical University of Denmark, Lyngby, Denmark; 6: Freie Universität Berlin, Berlin, Germany; 7: China Agricultural University, Beijing, China; 8: Statens Serum Institute, Copenhagen, Denmark.
  • Source: microbiolspec April 2018 vol. 6 no. 2 doi:10.1128/microbiolspec.ARBA-0013-2017
  • Received 24 February 2017 Accepted 06 November 2017 Published 06 April 2018
  • Jianzhong Shen, sjz@cau.edu.cn
image of Antimicrobial Resistance in <span class="jp-italic">Campylobacter</span> spp.
  • Abstract:

    is a major foodborne pathogen and has become increasingly resistant to clinically important antimicrobials. To cope with the selection pressure from antimicrobial use in both veterinary and human medicine, has developed multiple mechanisms for antibiotic resistance, including modification or mutation of antimicrobial targets, modification or inactivation of antibiotics, and reduced drug accumulation by drug efflux pumps. Some of these mechanisms confer resistance to a specific class of antimicrobials, while others give rise to multidrug resistance. Notably, new antibiotic resistance mechanisms continuously emerge in , and some examples include the recently discovered multidrug resistance genomic islands harboring multiple genes involved in the resistance to aminoglycosides and macrolides, a novel Cfr(C) conferring resistance to phenicols and other drugs, and a potent multidrug efflux pump CmeABC variant (RE-CmeABC) that shows a significantly enhanced function in multidrug resistance and is associated with exceedingly high-level resistance to fluoroquinolones. These newly emerged resistance mechanisms are horizontally transferable and greatly facilitate the adaptation of in the food-producing environments where antibiotics are frequently used. In this article, we will discuss how resists the action of various classes of antimicrobials, with an emphasis on newly discovered mechanisms.

  • Citation: Shen Z, Wang Y, Zhang Q, Shen J. 2018. Antimicrobial Resistance in spp.. Microbiol Spectrum 6(2):ARBA-0013-2017. doi:10.1128/microbiolspec.ARBA-0013-2017.
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/content/journal/microbiolspec/10.1128/microbiolspec.ARBA-0013-2017
2018-04-06
2018-07-16

Abstract:

is a major foodborne pathogen and has become increasingly resistant to clinically important antimicrobials. To cope with the selection pressure from antimicrobial use in both veterinary and human medicine, has developed multiple mechanisms for antibiotic resistance, including modification or mutation of antimicrobial targets, modification or inactivation of antibiotics, and reduced drug accumulation by drug efflux pumps. Some of these mechanisms confer resistance to a specific class of antimicrobials, while others give rise to multidrug resistance. Notably, new antibiotic resistance mechanisms continuously emerge in , and some examples include the recently discovered multidrug resistance genomic islands harboring multiple genes involved in the resistance to aminoglycosides and macrolides, a novel Cfr(C) conferring resistance to phenicols and other drugs, and a potent multidrug efflux pump CmeABC variant (RE-CmeABC) that shows a significantly enhanced function in multidrug resistance and is associated with exceedingly high-level resistance to fluoroquinolones. These newly emerged resistance mechanisms are horizontally transferable and greatly facilitate the adaptation of in the food-producing environments where antibiotics are frequently used. In this article, we will discuss how resists the action of various classes of antimicrobials, with an emphasis on newly discovered mechanisms.

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Figures

Image of FIGURE 1
FIGURE 1

Chromosomal organization and comparison of seven types (I to VII) of MDRGIs containing the (B) gene (modified from references 43 45 ). (B) is in red, aminoglycoside resistance genes are in yellow, the streptothricin resistance gene () is in blue, the tetracycline resistance gene [(O)] is in purple, genes with predicted functions are in green, and genes coding hypothetical proteins are in white. The (O) gene is intact in types V and VI but is truncated in other types. The border genes of the MDRGIs are depicted by black box arrows. The gray shading indicates regions sharing more than 98% DNA identity. A representative strain for each type of MDRGI is indicated on the right side of the panel.

Source: microbiolspec April 2018 vol. 6 no. 2 doi:10.1128/microbiolspec.ARBA-0013-2017
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