Functional amyloids

D Otzen, R Riek - Cold Spring Harbor perspectives in …, 2019 - cshperspectives.cshlp.org
When protein/peptides aggregate, they usually form the amyloid state consisting of cross β-
sheet structure built by repetitively stacked β-strands forming long fibrils. Amyloids are …

Diversity, biogenesis and function of microbial amyloids

LP Blanco, ML Evans, DR Smith, MP Badtke… - Trends in …, 2012 - cell.com
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 …

A gut bacterial amyloid promotes α-synuclein aggregation and motor impairment in mice

TR Sampson, C Challis, N Jain, A Moiseyenko… - elife, 2020 - elifesciences.org
Amyloids are a class of protein with unique self-aggregation properties, and their aberrant
accumulation can lead to cellular dysfunctions associated with neurodegenerative diseases …

Exploring the sequence determinants of amyloid structure using position-specific scoring matrices

S Maurer-Stroh, M Debulpaep, N Kuemmerer… - Nature …, 2010 - nature.com
Protein aggregation results in β-sheet–like assemblies that adopt either a variety of
amorphous morphologies or ordered amyloid-like structures. These differences in structure …

[HTML][HTML] Curli biogenesis: order out of disorder

ML Evans, MR Chapman - Biochimica et Biophysica Acta (BBA)-Molecular …, 2014 - Elsevier
Many bacteria assemble extracellular amyloid fibers on their cell surface. Secretion of
proteins across membranes and the assembly of complex macromolecular structures must …

Functional amyloid in Pseudomonas

MS Dueholm, SV Petersen, M Sønderkær… - Molecular …, 2010 - Wiley Online Library
Amyloids are highly abundant in many microbial biofilms and may play an important role in
their architecture. Nevertheless, little is known of the amyloid proteins. We report the …

Functional amyloids from bacterial biofilms–structural properties and interaction partners

Ü Akbey, M Andreasen - Chemical Science, 2022 - pubs.rsc.org
Protein aggregation and amyloid formation have historically been linked with various
diseases such as Alzheimer's and Parkinson's disease, but recently functional amyloids …

Functional bacterial amyloids: understanding fibrillation, regulating biofilm fibril formation and organizing surface assemblies

TV Sønderby, Z Najarzadeh, DE Otzen - Molecules, 2022 - mdpi.com
Functional amyloid is produced by many organisms but is particularly well understood in
bacteria, where proteins such as CsgA (E. coli) and FapC (Pseudomonas) are assembled as …

Expression of Fap amyloids in Pseudomonas aeruginosa, P. fluorescens, and P. putida results in aggregation and increased biofilm formation

MS Dueholm, MT Søndergaard, M Nilsson… - …, 2013 - Wiley Online Library
The fap operon, encoding functional amyloids in P seudomonas (Fap), is present in most
pseudomonads, but so far the expression and importance for biofilm formation has only …

Structural insights into curli CsgA cross-β fibril architecture inspire repurposing of anti-amyloid compounds as anti-biofilm agents

S Perov, O Lidor, N Salinas, N Golan… - PLoS …, 2019 - journals.plos.org
Curli amyloid fibrils secreted by Enterobacteriaceae mediate host cell adhesion and
contribute to biofilm formation, thereby promoting bacterial resistance to environmental …