[HTML][HTML] Peroxiredoxins wear many hats: Factors that fashion their peroxide sensing personalities

J Bolduc, K Koruza, T Luo, JM Pueyo, TN Vo, D Ezeriņa… - Redox Biology, 2021 - Elsevier
Peroxiredoxins (Prdxs) sense and assess peroxide levels, and signal through protein
interactions. Understanding the role of the multiple structural and post-translational …

Stress-activated chaperones: a first line of defense

W Voth, U Jakob - Trends in biochemical sciences, 2017 - cell.com
Proteins are constantly challenged by environmental stress conditions that threaten their
structure and function. Especially problematic are oxidative, acid, and severe heat stress …

Antioxidant enzymes that target hydrogen peroxide are conserved across the animal kingdom, from sponges to mammals

OH Hewitt, SM Degnan - Scientific Reports, 2023 - nature.com
Oxygen is the sustenance of aerobic life and yet is highly toxic. In early life, antioxidants
functioned solely to defend against toxic effects of reactive oxygen species (ROS). Later, as …

Analyses of the three 1-Cys Peroxiredoxins from Aspergillus fumigatus reveal that cytosolic Prx1 is central to H2O2 metabolism and virulence

MC Rocha, KF de Godoy, R Bannitz-Fernandes… - Scientific reports, 2018 - nature.com
Standing among the front defense strategies against pathogens, host phagocytic cells
release various oxidants. Therefore, pathogens have to cope with stressful conditions at the …

Computational approaches to predict protein functional families and functional sites

C Rauer, N Sen, VP Waman, M Abbasian… - Current Opinion in …, 2021 - Elsevier
Understanding the mechanisms of protein function is indispensable for many biological
applications, such as protein engineering and drug design. However, experimental …

Substrate promiscuity and hyperoxidation susceptibility as potential driving forces for the co-evolution of Prx5-Type and Prx6-Type 1-Cys peroxiredoxin mechanisms

L Lang, AC Wolf, M Riedel, L Thibol, F Geissel… - ACS …, 2023 - ACS Publications
So-called 1-Cys peroxiredoxins (Prx) employ only one cysteine residue for the reduction of
hydroperoxides and require an external thiol for the reduction of a reactive sulfenic acid …

Structural determinants of multimerization and dissociation in 2-Cys peroxiredoxin chaperone function

L Troussicot, BM Burmann, M Molin - Structure, 2021 - cell.com
Peroxiredoxins (PRDXs) are abundant peroxidases present in all kingdoms of life. Recently,
they have been shown to also carry out additional roles as molecular chaperones. To …

Peroxiredoxins in cancer and response to radiation therapies

TE Forshaw, R Holmila, KJ Nelson, JE Lewis, ML Kemp… - Antioxidants, 2019 - mdpi.com
Peroxiredoxins have a long-established cellular function as regulators of redox metabolism
by catalyzing the reduction of peroxides (eg, H2O2, lipid peroxides) with high catalytic …

Chaperone activation and client binding of a 2-cysteine peroxiredoxin

F Teixeira, E Tse, H Castro, KAT Makepeace… - Nature …, 2019 - nature.com
Abstract Many 2-Cys-peroxiredoxins (2-Cys-Prxs) are dual-function proteins, either acting as
peroxidases under non-stress conditions or as chaperones during stress. The mechanism …

Peroxiredoxin asp f3 is essential for Aspergillus fumigatus to overcome iron limitation during infection

V Brantl, JM Boysen, A Yap, E Golubtsov, D Ruf… - Mbio, 2021 - Am Soc Microbiol
Aspergillus fumigatus is an important fungal pathogen that causes allergic reactions but also
life-threatening infections. One of the most abundant A. fumigatus proteins is Asp f3. This …