Cited by 320Biochemical and Structural CharacterizationAlzheimer's disease research and treatmentsBacterial biofilms and quorum sensing

Diversity, biogenesis and function of microbial amyloids

Open access
Blanco, Luz P., Evans, Margery L., Smith, Daniel R., Badtke, Matthew P., Chapman, Matthew R.·2012·Trends in Microbiology

Abstract

Amyloid is a distinct β-sheet-rich fold that many proteins can acquire. Frequently associated with neurodegenerative diseases in humans, including Alzheimer's, Parkinson's and Huntington's diseases, amyloids are traditionally considered the product of protein misfolding. However, the amyloid fold is now recognized as a ubiquitous part of normal cellular biology. Functional amyloids have been identified in nearly all facets of cellular life, with microbial functional amyloids leading the way. Unlike disease-associated amyloids, functional amyloids are assembled by dedicated, directed pathways and ultimately perform a physiological function that benefits the organism. The evolved amyloid assembly and disassembly pathways of microbes have provided novel insights into how cells have harnessed the amyloid assembly process for productive means. An understanding of functional amyloid biogenesis promises to provide a fresh perspective on the molecular events that underlie disease-associated amyloidogenesis. Here, we review functional microbial amyloids with an emphasis on curli fibers and their role in promoting biofilm formation and other community behaviors.

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  • Amyloid fibers are important structural components of biofilms.

    “Amyloid fibers are important structural components of biofilms.134,135”

    From The dental plaque biofilm matrix (2021) · cites this paper as [135]

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Authors
Blanco, L. P., Evans, M. L., Smith, D. R., Badtke, M. P., & Chapman, M. R.
Affiliations
University of Michigan (US)
Corresponding author
Chapman, Matthew R.
Venue
Trends in Microbiology
Publisher
Elsevier BV
Published
2012-02
Volume
20
Issue
2
Pages
66-73
ISSN
0966-842X (ISSN-L)
OpenAlex
W1974059817
Cited by
320
References
88
Citations by year
2026: 8 · 2025: 12 · 2024: 21 · 2023: 10 · 2022: 21 · 2021: 21 · 2020: 26 · 2019: 25 · 2018: 34 · 2017: 22 · 2016: 27 · 2015: 30 · 2014: 24 · 2013: 26 · 2012: 12
FWCI
1.83
Type
journal article
Language
en
Open access
Locations
  • Trends in Microbiology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Institute of General Medical Sciences (T32GM008353, T32GM145304)
  • National Institute of Allergy and Infectious Diseases (AI073847, R01AI073847, R56AI073847)
  • Chemical Sciences, Geosciences, and Biosciences Division
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Biochemical and Structural Characterization
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bacterial biofilms and quorum sensing
Keywords
functional amyloids, amyloid assembly, curli fibers, biofilm formation, protein misfolding
MeSH terms
Amyloid, Bacteria, Protein Structure, Secondary, Protein Structure, Tertiary, Protein Folding, Biofilms, Adhesins, Bacterial, Escherichia coli Proteins, Biodiversity, Protein Multimerization

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