AAA+ proteins: one motor, multiple ways to work

JB Lin, J Shorter, AL Lucius - Biochemical Society Transactions, 2022 - portlandpress.com
Numerous ATPases associated with diverse cellular activities (AAA+) proteins form
hexameric, ring-shaped complexes that function via ATPase-coupled translocation of …

Prionoid proteins in the pathogenesis of neurodegenerative diseases

C Wells, SE Brennan, M Keon… - Frontiers in molecular …, 2019 - frontiersin.org
There is a growing body of evidence that prionoid protein behaviors are a core element of
neurodegenerative diseases (NDs) that afflict humans. Common elements in pathogenesis …

Engineered protein disaggregases mitigate toxicity of aberrant prion-like fusion proteins underlying sarcoma

JJ Ryan, ML Sprunger, K Holthaus, J Shorter… - Journal of Biological …, 2019 - ASBMB
FUS and EWSR1 are RNA-binding proteins with prion-like domains (PrLDs) that aggregate
in amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD). The FUS and …

Nucleation seed size determines amyloid clearance and establishes a barrier to prion appearance in yeast

J Villali, J Dark, TM Brechtel, F Pei, SS Sindi… - Nature structural & …, 2020 - nature.com
Amyloid appearance is a rare event that is promoted in the presence of other aggregated
proteins. These aggregates were thought to act by templating the formation of an assembly …

Potentiating Hsp104 activity via phosphomimetic mutations in the middle domain

A Tariq, JB Lin, MM Noll, MP Torrente… - FEMS Yeast …, 2018 - academic.oup.com
Hsp104 is a hexameric AAA+ ATPase and protein disaggregase found in yeast, which can
be potentiated via mutations in its middle domain (MD) to counter toxic phase separation by …

Multiple aspects of amyloid dynamics in vivo integrate to establish prion variant dominance in yeast

J Norton, N Seah, F Santiago, SS Sindi… - Frontiers in Molecular …, 2024 - frontiersin.org
Prion variants are self-perpetuating conformers of a single protein that assemble into
amyloid fibers and confer unique phenotypic states. Multiple prion variants can arise …

Beyond amyloid fibers: Accumulation, biological relevance, and regulation of higher-order prion architectures

WR Naeimi, TR Serio - Viruses, 2022 - mdpi.com
The formation of amyloid fibers is associated with a diverse range of disease and phenotypic
states. These amyloid fibers often assemble into multi-protofibril, high-order architectures in …

[PIN+]ing down the mechanism of prion appearance

TR Serio - FEMS yeast research, 2018 - academic.oup.com
Prions are conformationally flexible proteins capable of adopting a native state and a
spectrum of alternative states associated with a change in the function of the protein. These …

Prion replication in the mammalian cytosol: functional regions within a prion domain driving induction, propagation, and inheritance

Y Duernberger, S Liu, K Riemschoss… - … and cellular biology, 2018 - Taylor & Francis
Prions of lower eukaryotes are transmissible protein particles that propagate by converting
homotypic soluble proteins into growing protein assemblies. Prion activity is conferred by so …

Design of a New [PSI+]-No-More Mutation in SUP35 With Strong Inhibitory Effect on the [PSI+] Prion Propagation

LG Danilov, AG Matveenko, VE Ryzhkova… - Frontiers in Molecular …, 2019 - frontiersin.org
A number of [PSI+]-no-more (PNM) mutations, eliminating [PSI+] prion, were previously
described in SUP35. In this study, we designed and analyzed a new PNM mutation based …