Alcohol oxidase assembles post-translationally into the peroxisome of Candida boidinii

J. M. Goodman, C. W. Scott, P. N. Donahue, J. P. Atherton

Research output: Contribution to journalArticlepeer-review

28 Scopus citations


Candida yeasts rapidly form peroxisomes of simple function and composition when grown on methanol. Because the induction is both massive and rapid, this system may be useful for a detailed dissection of peroxisomal biogenesis. We report procedures to express peroxisomal proteins in cells and spheroplasts of Candida boidinii to stabilize peroxisomes in a lysate of spheroplasts and to obtain an enriched peroxisomal fraction. With these techniques we have been able to study the assembly of alcohol oxidase, a homo-octomeric flavoprotein, into the organelle in vivo. The primary translation product of alcohol oxidase comigrates on sodium dodecyl sulfate-polyacrylamide gels with the mature subunit. Pulse-chase experiments indicate that the newly synthesized monomer of alcohol oxidase has a half-life of about 20 min in intact cells and 13 min in spheroplasts before conversion to octomer. The monomer first appears in a high speed supernatant of a lysate of spheroplasts and then chases into a purified peroxisomal fraction before or during its octomerization. There is no detectable intermediary organelle involved in this process.

Original languageEnglish (US)
Pages (from-to)8485-8493
Number of pages9
JournalJournal of Biological Chemistry
Issue number13
StatePublished - 1984

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Cell Biology


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