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Updated: Jul 19, 2026

Peroxisome Staining in Mammalian Cells Using Peroxisome-Specific Probes
Published on: December 19, 2025
The peroxisomal ABC transporter family
Ronald J A Wanders1, Wouter F Visser, Carlo W T van Roermund
1Department of Clinical Chemistry and Pediatrics, Emma Children's Hospital, Laboratory Genetic Metabolic Diseases, University of Amsterdam, Academic Medical Center, Amsterdam, The Netherlands. r.j.wanders@amc.uva.nl
The ABCD family of peroxisomal transporters is crucial for cellular function. Research is ongoing to define their exact roles, particularly in yeast and mammals, with implications for diseases like X-linked adrenoleukodystrophy.
Area of Science:
- Biochemistry
- Molecular Biology
- Genetics
Background:
- The ABCD family comprises peroxisomal half adenosine-triphosphate-binding cassette (ABC) transporters.
- ABCDs are found in various eukaryotic organisms, including yeast, plants, and mammals.
- Their precise functions remain largely uncharacterized.
Purpose of the Study:
- To review the current knowledge of the ABCD family of peroxisomal ABC transporters.
- To highlight the challenges in definitively establishing their functional roles.
- To discuss the implications of ABCD gene mutations in human diseases.
Main Methods:
- Literature review of existing studies on ABCD transporters.
- Analysis of data from Saccharomyces cerevisiae, Arabidopsis thaliana, and mammalian models.
- Discussion of proposed experimental approaches, such as liposome reconstitution and transport studies.
- Consideration of insights from genetically modified mouse models.
Main Results:
- Evidence suggests yeast ABCDs form a heterodimer transporting acyl-CoA esters across the peroxisomal membrane.
- Mammalian ABCD1 (adrenoleukodystrophy protein, ALDP) is linked to very-long-chain fatty acid transport.
- Mutations in ABCD1 cause X-linked adrenoleukodystrophy (X-ALD).
Conclusions:
- Definitive functional characterization of ABCDs requires successful reconstitution and transport assays.
- Understanding ABCD functions is critical for elucidating peroxisomal transport mechanisms.
- Mutant mouse models are essential tools for resolving the roles of peroxisomal half-ABC transporters.
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