Understanding antibiotic resistance via outer membrane permeability

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ID: 6180
2018
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Abstract
Understanding antibiotic resistance via outer membrane permeability Ishan Ghai,1,2 Shashank Ghai3 1School of Engineering and Life Sciences, Jacobs University, Bremen, Germany; 2Consultation Division, RSGBIOGEN, New Delhi, India; 3Leibniz University Hannover, Hannover, Germany Abstract: Collective antibiotic drug resistance is a global threat, especially with respect to Gram-negative bacteria. The low permeability of the bacterial outer cell wall has been identified as a challenging barrier that prevents a sufficient antibiotic effect to be attained at low doses of the antibiotic. The Gram-negative bacterial cell envelope comprises an outer membrane that delimits the periplasm from the exterior milieu. The crucial mechanisms of antibiotic entry via outer membrane includes general diffusion porins (Omps) responsible for hydrophilic antibiotics and lipid-mediated pathway for hydrophobic antibiotics. The protein and lipid arrangements of the outer membrane have had a strong impact on the understanding of bacteria and their resistance to many types of antibiotics. Thus, one of the current challenges is effective interpretation at the molecular basis of the outer membrane permeability. This review attempts to develop a state of knowledge pertinent to Omps and their effective role in solute influx. Moreover, it aims toward further understanding and exploration of prospects to improve our knowledge of physicochemical limitations that direct the translocation of antibiotics via bacterial outer membrane. Keywords: antibiotics, Gram-negative bacteria, drug-resistance, outer membrane proteins, porins, membrane permeability, influx 
Reference Key
ishan2018understandinginfection Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Ishan Ghai, Shashank Ghai
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Journal Infection and drug resistance
Year 2018
DOI
10.2147/IDR.S156995
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