Cited by 319Bacterial Genetics and BiotechnologyAntibiotic Resistance in BacteriaDrug Transport and Resistance Mechanisms

Function of Pseudomonas Porins in Uptake and Efflux

Hancock, Robert E. W., Brinkman, Fiona S. L.·2002·Annual Review of Microbiology

Abstract

▪ Abstract Porins are proteins that form water-filled channels across the outer membranes of Gram-negative bacteria and thus make this membrane semipermeable. There are four types of porins: general/nonspecific porins, substrate-specific porins, gated porins, and efflux porins (also called channel-tunnels). The recent publication of the genomic sequence of Pseudomonas aeruginosa PAO1 has dramatically increased our understanding of the porins of this organism. In particular this organism has 3 large families of porins: the OprD family of specific porins (19 members), the OprM family of efflux porins (18 members), and the TonB-interacting family of gated porins (35 members). These familial relationships underlie functional similarities such that well-studied members of these families become prototypes for other members. We summarize here the latest information on these porins.

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Crossref · 10.1146/annurev.micro.56.012302.160310

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66 of 66 references verified0 citation errors · 0 not checkable

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  • The innate low susceptibility of Pseudomonas and Acinetobacter baumanii to β-lactams (compared to Enterobacteriaceae) can be explained, at least in part, by a reduced number and/or differential expression of porins.

    “Likewise, the innate low susceptibility of Pseudomonas and Acinetobacter baumanii to β-lactams (compared to Enterobacteriaceae) can be explained, at least in part, to a reduced number and/or differential expression of porins (38).”

    From Mechanisms of Antibiotic Resistance (2016) · cites this paper as [38]

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Authors
Hancock, R. E. W., & Brinkman, F. S. L.
Affiliations
University of British Columbia (CA)
Venue
Annual Review of Microbiology
Published
2002-10
Volume
56
Issue
1
Pages
17-38
ISSN
  • 0066-4227 (ISSN-L)
  • 1545-3251
OpenAlex
W2128433990
Cited by
319
References
66
Citations by year
2026: 14 · 2025: 16 · 2024: 13 · 2023: 14 · 2022: 23 · 2021: 25 · 2020: 15 · 2019: 11 · 2018: 12 · 2017: 16 · 2016: 14 · 2015: 13 · 2014: 12 · 2013: 8 · 2012: 18
FWCI
1.16
Type
journal article
Language
en
Open access
closed
Locations
  • Annual Review of Microbiology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Bacterial Genetics and Biotechnology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Medicine › Antibiotic Resistance in Bacteria
  • Health Sciences › Medicine › Oncology › Drug Transport and Resistance Mechanisms
Keywords
porin, Pseudomonas aeruginosa PAO1, outer membrane permeability, bacterial outer membrane
MeSH terms
Models, Molecular, Pseudomonas aeruginosa, Ion Channel Gating, Porins

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