Mutations in the PTS1 receptor gene, PXR1, define complementation group 2 of the peroxisome biogenesis disorders

G. Dodt, N. Braverman, C. Wong, Ann B. Moser, H. W. Moser, Paul A Watkins, David Valle, Stephen J Gould

Research output: Contribution to journalArticle

Abstract

The peroxisome biogenesis disorders (PBDs) are lethal recessive diseases caused by defects in peroxisome assembly. We have isolated PXR1, a human homologue of the yeast P. pastoris PASS (peroxisome assembly) gene. PXR1, like PAS8, encodes a receptor for proteins with the type-1 peroxisomal targeting signal (PTS1). Mutations in PXR1 define complementation group 2 of PBDs and expression of PXR1 rescues the PTS1 import defect of fibroblasts from these patients. Based on the observation that PXR1 exists both in the cytosol and in association with peroxisomes, we propose that PXR1 protein recognizes PTS1 -containing proteins in the cytosol and directs them to the peroxisome.

Original languageEnglish (US)
Pages (from-to)115-125
Number of pages11
JournalNature Genetics
Volume9
Issue number2
StatePublished - 1995

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Peroxisomes
Mutation
Cytosol
Genes
Proteins
Fibroblasts
Yeasts
peroxisome-targeting signal 1 receptor
Peroxisome biogenesis disorders

ASJC Scopus subject areas

  • Genetics
  • Genetics(clinical)

Cite this

Mutations in the PTS1 receptor gene, PXR1, define complementation group 2 of the peroxisome biogenesis disorders. / Dodt, G.; Braverman, N.; Wong, C.; Moser, Ann B.; Moser, H. W.; Watkins, Paul A; Valle, David; Gould, Stephen J.

In: Nature Genetics, Vol. 9, No. 2, 1995, p. 115-125.

Research output: Contribution to journalArticle

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