Reference: Wanders RJ, et al. (2007) The peroxisomal ABC transporter family. Pflugers Arch 453(5):719-34

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Abstract


This review describes the current state of knowledge about the ABCD family of peroxisomal half adenosine-triphosphate-binding cassette (ABC) transporters. ABCDs are predicted to be present in a variety of eukaryotic organisms, although at present, only ABCDs in the yeast Saccharomyces cerevisiae, the plant Arabidopsis thaliana, and different mammalian species have been identified and characterized to any significant extent. The functional role of none of these ABCDs has been established definitively and awaits successful reconstitution of ABCDs, either as homo- or heterodimers into liposomes, followed by transport studies. Data obtained in S. cerevisiae suggest that the two ABCDs, which have been identified in this organism, form a heterodimer, which actually transports acyl coenzyme A esters across the peroxisomal membrane. In mammals, four ABCDs have been identified, of which one [adrenoleukodystrophy protein (ALDP)] has been implicated in the transport of the coenzyme A esters of very-long-chain fatty acids. Mutations in the gene (ABCD1) encoding ALDP are the cause of a severe X-linked disease, called X-linked adrenoleukodystrophy. The availability of mutant mice in which Abcd1, Abcd2, or Abcd3 have been disrupted will help to resolve the true role of the peroxisomal half-ABC transporters.

Reference Type
Journal Article | Research Support, Non-U.S. Gov't | Review
Authors
Wanders RJ, Visser WF, van Roermund CW, Kemp S, Waterham HR
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