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Appl Environ Microbiol. 1990 Sep;56(9):2944-5.

Selection of Astaxanthin-Overproducing Mutants of Phaffia rhodozyma with beta-Ionone.

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  • 1Department of Food Science and Technology, University of California, Davis, California 95616.

Abstract

beta-Ionone, an end ring analog of beta-carotene, inhibits astaxanthin production in the red yeast Phaffia rhodozyma. Astaxanthin-overproducing mutants of this yeast are easily spotted on beta-ionone-containing yeast malt agar plates. beta-Ionone appears to block astaxanthin synthesis at the beta-carotene level.

PMID:
16348304
[PubMed]
PMCID:
PMC184874
Free PMC Article
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