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Amyloid Fibrils03:03

Amyloid Fibrils

Amyloid fibrils are aggregates of misfolded proteins.  Under most circumstances, misfolded proteins are either refolded by chaperone proteins or degraded by the proteasome. However, in the case of a mutation or a disease, these proteins can accumulate to form large clusters and often further assemble to form elongated fibers, called fibrils. 
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Amyloid Fibrils03:03

Amyloid Fibrils

Amyloid fibrils are aggregates of misfolded proteins.  Under most circumstances, misfolded proteins are either refolded by chaperone proteins or degraded by the proteasome. However, in the case of a mutation or a disease, these proteins can accumulate to form large clusters and often further assemble to form elongated fibers, called fibrils. 
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Microbial amyloids--functions and interactions within the host.

Kelly Schwartz1, Blaise R Boles

  • 1Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, United States.

Current Opinion in Microbiology
|January 15, 2013
PubMed
Summary
This summary is machine-generated.

Protein aggregation into amyloid fibers is linked to neurodegenerative diseases. This review explores functional amyloids in bacteria and their roles in living systems, expanding our understanding beyond disease pathology.

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Area of Science:

  • Microbiology
  • Neuroscience
  • Biochemistry

Background:

  • Protein aggregation into amyloid fibers is a hallmark of neurodegenerative diseases like Alzheimer's and Parkinson's.
  • Amyloid formation has traditionally been studied as a pathological process resulting from protein misfolding.
  • Emerging research highlights the widespread presence and functional roles of amyloids in various biological systems.

Purpose of the Study:

  • To review the current knowledge on bacterial amyloids.
  • To explore the interactions of bacterial amyloids within diverse host environments.
  • To integrate the study of functional amyloids into the broader scientific understanding.

Main Methods:

  • Literature review of studies on bacterial amyloids.
  • Analysis of research on amyloid interactions in host environments.
  • Synthesis of findings on the ubiquitous role of amyloids.

Main Results:

  • Bacterial amyloids represent a significant class of functional amyloids.
  • These amyloids play diverse roles in microbial physiology and host interactions.
  • Understanding bacterial amyloids offers new perspectives on amyloid biology.

Conclusions:

  • Functional amyloids are not solely associated with disease.
  • Bacterial amyloids are crucial components of microbial life and interactions.
  • Further research into bacterial amyloids can illuminate fundamental biological processes.