The peroxisome: an update on mysteries

M Islinger, S Grille, HD Fahimi, M Schrader - Histochemistry and cell …, 2012 - Springer
Peroxisomes contribute to several crucial metabolic processes such as β-oxidation of fatty
acids, biosynthesis of ether phospholipids and metabolism of reactive oxygen species …

ATP-Dependent Steps in Peroxisomal Protein Import

HW Platta, J Jeske, N Schmidt… - Annual Review of …, 2024 - annualreviews.org
Peroxisomes are organelles that play a central role in lipid metabolism and cellular redox
homeostasis. The import of peroxisomal matrix proteins by peroxisomal targeting signal …

The peroxisomal importomer constitutes a large and highly dynamic pore

M Meinecke, C Cizmowski, W Schliebs, V Krüger… - Nature cell …, 2010 - nature.com
The peroxisomal protein import machinery differs fundamentally from known translocons
(endoplasmic reticulum, mitochondria, chloroplasts, bacteria) as it allows membrane …

Peroxisome biogenesis initiated by protein phase separation

R Ravindran, IOL Bacellar, X Castellanos-Girouard… - Nature, 2023 - nature.com
Peroxisomes are organelles that carry out β-oxidation of fatty acids and amino acids. Both
rare and prevalent diseases are caused by their dysfunction. Among disease-causing …

[HTML][HTML] The peroxisomal import receptor PEX5 functions as a stress sensor, retaining catalase in the cytosol in times of oxidative stress

PA Walton, C Brees, C Lismont, O Apanasets… - … Et Biophysica Acta (BBA …, 2017 - Elsevier
Accumulating evidence indicates that peroxisome functioning, catalase localization, and
cellular oxidative balance are intimately interconnected. Nevertheless, it remains largely …

[HTML][HTML] Members of the E2D (UbcH5) family mediate the ubiquitination of the conserved cysteine of Pex5p, the peroxisomal import receptor

CP Grou, AF Carvalho, MP Pinto, S Wiese… - Journal of Biological …, 2008 - ASBMB
According to current models of peroxisomal biogenesis, newly synthesized peroxisomal
matrix proteins are transported into the organelle by Pex5p. Pex5p recognizes these …

[HTML][HTML] Identification of ubiquitin-specific protease 9X (USP9X) as a deubiquitinase acting on ubiquitin-peroxin 5 (PEX5) thioester conjugate

CP Grou, T Francisco, TA Rodrigues, MO Freitas… - Journal of Biological …, 2012 - ASBMB
Peroxin 5 (PEX5), the peroxisomal protein shuttling receptor, binds newly synthesized
peroxisomal matrix proteins in the cytosol and promotes their translocation across the …

[HTML][HTML] The mammalian peroxisomal membrane is permeable to both GSH and GSSG–Implications for intraperoxisomal redox homeostasis

MJ Ferreira, TA Rodrigues, AG Pedrosa, L Gales… - Redox Biology, 2023 - Elsevier
Despite the large amounts of H 2 O 2 generated in mammalian peroxisomes, cysteine
residues of intraperoxisomal proteins are maintained in a reduced state. The biochemistry …

Protein transport into peroxisomes: Knowns and unknowns

T Francisco, TA Rodrigues, AF Dias… - …, 2017 - Wiley Online Library
Peroxisomal matrix proteins are synthesized on cytosolic ribosomes and rapidly transported
into the organelle by a complex machinery. The data gathered in recent years suggest that …

[HTML][HTML] Insights into the structure and function of the Pex1/Pex6 AAA-ATPase in peroxisome homeostasis

RM Judy, CJ Sheedy, BM Gardner - Cells, 2022 - mdpi.com
The AAA-ATPases Pex1 and Pex6 are required for the formation and maintenance of
peroxisomes, membrane-bound organelles that harbor enzymes for specialized metabolism …