Cited by 117Fungal and yeast genetics researchAutophagy in Disease and TherapyCellular transport and secretion

Peroxisomes are juxtaposed to strategic sites on mitochondria

Cohen, Yifat, Klug, Yoel Alexander, Dimitrov, Lazar, Erez, Zohar, Chuartzman, Silvia G, Elinger, Dalia, Yofe, Ido, Soliman, Kareem +6 more·2014·Molecular BioSystems

Abstract

Peroxisomes are ubiquitous and dynamic organelles that house many important pathways of cellular metabolism. In recent years it has been demonstrated that mitochondria are tightly connected with peroxisomes and are defective in several peroxisomal diseases. Indeed, these two organelles share metabolic routes as well as resident proteins and, at least in mammals, are connected via a vesicular transport pathway. However the exact extent of cross-talk between peroxisomes and mitochondria remains unclear. Here we used a combination of high throughput genetic manipulations of yeast libraries alongside high content screens to systematically unravel proteins that affect the transport of peroxisomal proteins and peroxisome biogenesis. Follow up work on the effector proteins that were identified revealed that peroxisomes are not randomly distributed in cells but are rather localized to specific mitochondrial subdomains such as mitochondria-ER junctions and sites of acetyl-CoA synthesis. Our approach highlights the intricate geography of the cell and suggests an additional layer of organization as a possible way to enable efficient metabolism. Our findings pave the way for further studying the machinery aligning mitochondria and peroxisomes, the role of the juxtaposition, as well as its regulation during various metabolic conditions. More broadly, the approaches used here can be easily applied to study any organelle of choice, facilitating the discovery of new aspects in cell biology.

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Crossref · 10.1039/c4mb00001c

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Authors
Cohen, Y., Klug, Y. A., Dimitrov, L., Erez, Z., Chuartzman, S. G., Elinger, D., Yofe, I., Soliman, K., Gärtner, J., Thoms, S., Schekman, R., Elbaz-Alon, Y., Zalckvar, E., & Schuldiner, M.
Affiliations
  • Weizmann Institute of Science (IL)
  • University of California System (US)
  • Universitätsmedizin Göttingen (DE)
  • Department of Molecular Genetics, Weizmann Institute of Science a , Rehovot 7610001, Israel yael.elbaz@weizmann.ac.il einat.zalckvar@weizmann.ac.il maya.schuldiner@weizmann.ac.il
Corresponding author
  • Zalckvar, Einat
  • Schuldiner, Maya
Venue
Molecular BioSystems
Published
2014-03-25
Volume
10
Issue
7
Pages
1742-1748
ISSN
  • 1742-2051 (ISSN-L)
  • 1742-206X
OpenAlex
W2061764676
Cited by
117
References
32
Citations by year
2026: 5 · 2025: 7 · 2024: 11 · 2023: 6 · 2022: 11 · 2021: 5 · 2020: 12 · 2019: 10 · 2018: 15 · 2017: 11 · 2016: 11 · 2015: 11 · 2014: 2
FWCI
4.79
Type
journal article
Language
en
Open access
closed
Locations
  • Molecular BioSystems (publishedVersion)
  • PubMed (publishedVersion)
Funders
European Research Council (StG 260395)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fungal and yeast genetics research
  • Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Cellular transport and secretion
Keywords
peroxisomes, mitochondria, peroxisome biogenesis, acetyl-CoA biosynthesis, peroxisomal disorders, organelle localization, yeast genetic screen, high-content screening
MeSH terms
Acetyl Coenzyme A, Endoplasmic Reticulum, Mitochondria, Saccharomyces cerevisiae, Mutagenesis, Peroxisomes, Protein Transport, Saccharomyces cerevisiae Proteins

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