Related Experiment Video
Updated: Jan 25, 2026

Compost Microcosms as Microbially Diverse, Natural-like Environments for Microbiome Research in Caenorhabditis elegans
Published on: September 13, 2022
Microbial functional amyloids serve diverse purposes for structure, adhesion and defence
Nirukshan Shanmugam1, Max O D G Baker1, Sarah R Ball1
1Discipline of Pharmacology, School of Medical Sciences, Faculty of Medicine and Health and Sydney Nano, University of Sydney, Sydney, NSW, 2006, Australia.
Functional amyloids, protein structures with diverse biological roles, are key in microbial pathogenesis and offer therapeutic potential. Understanding their structure and function is crucial for developing new treatments against infections.
Area of Science:
- Microbiology
- Biochemistry
- Structural Biology
Background:
- Functional amyloids, characterized by fibrillar morphology and cross-β structure, were initially linked to disease but are now recognized for diverse biological roles.
- These protein structures are found across various life forms, including viruses, bacteria, archaea, and humans.
- Microbial functional amyloids are increasingly understood for their roles in pathogen invasion and infection maintenance.
Purpose of the Study:
- To review the structure and mechanisms of microbial functional amyloids.
- To focus on the pathogenicity conferred by these amyloid structures.
- To explore strategies microbes use to interfere with host amyloid structures.
Main Methods:
- Literature review of existing research on microbial functional amyloids.
- Analysis of structural characteristics and biological functions.
- Examination of the role in pathogenicity and host-pathogen interactions.
Main Results:
- Functional amyloids are ubiquitous in microbial systems and exhibit diverse functionalities.
- These protein assemblies are critical for pathogen invasion and establishing infections.
- Microbes employ specific strategies involving amyloid structures to interact with host systems.
Conclusions:
- Microbial functional amyloids represent ancient and novel mechanisms of protein function.
- Their role in pathogenicity highlights them as potential targets for novel antimicrobial therapies.
- Understanding these assemblies is vital for both fundamental biology and therapeutic development.
Related Concept Videos
Amyloid Fibrils
Amyloid deposits were observed as early as 1639 in the liver and the spleen. In 1854, Rudolph Virchow performed iodine staining,...
Self-Serving Bias
Fruit Development, Structure, and Function
Structural Protein Function
Collagen, the most abundant protein in mammals, is found throughout the body. In connective tissue, such as skin, ligaments, and tendons, it provides tensile strength and elasticity. In bones and teeth, it mineralizes to...
Cell Adhesion Molecules - Types and Functions
CAM Families
The Integrin family of proteins is primarily involved...
Purposive Learning

