Cited by 105Glycosylation and Glycoproteins ResearchBacterial Genetics and BiotechnologyCarbohydrate Chemistry and Synthesis

Unified Theory of Bacterial Sialometabolism: How and Why Bacteria Metabolize Host Sialic Acids

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Vimr, Eric R.·2013·ISRN Microbiology

Abstract

Sialic acids are structurally diverse nine-carbon ketosugars found mostly in humans and other animals as the terminal units on carbohydrate chains linked to proteins or lipids. The sialic acids function in cell-cell and cell-molecule interactions necessary for organismic development and homeostasis. They not only pose a barrier to microorganisms inhabiting or invading an animal mucosal surface, but also present a source of potential carbon, nitrogen, and cell wall metabolites necessary for bacterial colonization, persistence, growth, and, occasionally, disease. The explosion of microbial genomic sequencing projects reveals remarkable diversity in bacterial sialic acid metabolic potential. How bacteria exploit host sialic acids includes a surprisingly complex array of metabolic and regulatory capabilities that is just now entering a mature research stage. This paper attempts to describe the variety of bacterial sialometabolic systems by focusing on recent advances at the molecular and host-microbe-interaction levels. The hope is that this focus will provide a framework for further research that holds promise for better understanding of the metabolic interplay between bacterial growth and the host environment. An ability to modify or block this interplay has already yielded important new insights into potentially new therapeutic approaches for modifying or blocking bacterial colonization or infection.

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Authors
Vimr, E. R.
Affiliations
University of Illinois Urbana-Champaign (US)
Corresponding author
Vimr, Eric R.
Venue
ISRN Microbiology
Publisher
Wiley
Published
2013-01-15
Volume
2013
Pages
1-26
ISSN
  • 2090-7478 (ISSN-L)
  • 2090-7486
OpenAlex
W2027174553
Cited by
105
References
103
Citations by year
2026: 3 · 2025: 7 · 2024: 1 · 2023: 10 · 2022: 9 · 2021: 11 · 2020: 8 · 2019: 5 · 2018: 13 · 2017: 15 · 2016: 10 · 2015: 6 · 2013: 7
FWCI
3.43
Type
journal article
Language
en
Open access
Locations
  • ISRN Microbiology (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
National Institute of Allergy and Infectious Diseases
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Glycosylation and Glycoproteins Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Bacterial Genetics and Biotechnology
  • Physical Sciences › Chemistry › Organic Chemistry › Carbohydrate Chemistry and Synthesis
Keywords
sialic acid, host-microbe interactions, bacterial colonization, bacterial metabolism, sialic acid biosynthesis, mucosal surfaces, bacterial virulence

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