Bacterial inclusion bodies contain amyloid-like structure
2008
Bacterial Inclusion Bodies Are Amyloid-Like
publication
Evidence: high
Author Information
Author(s): Wang Lei, Maji Samir K, Sawaya Michael R, Eisenberg David, Riek Roland
Primary Institution: The Salk Institute
Hypothesis
Are bacterial inclusion bodies structured like amyloid fibrils?
Conclusion
Bacterial inclusion bodies, previously thought to be amorphous, are actually structured and contain amyloid-like characteristics.
Supporting Evidence
- Bacterial inclusion bodies bind thioflavin T, indicating amyloid-like properties.
- X-ray diffraction patterns of inclusion bodies suggest a cross-β-sheet structure.
- Mutagenesis experiments show that specific residues are crucial for inclusion body formation.
Takeaway
Bacterial inclusion bodies, which are clumps of proteins, are not just messy piles but have a special structure similar to that of amyloid fibrils, which are linked to diseases like Alzheimer's.
Methodology
The study involved analyzing the structure of bacterial inclusion bodies using techniques like NMR and X-ray diffraction.
Digital Object Identifier (DOI)
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