Screening and characterization of red yeast Xanthophyllomyces dendrorhous mutants

Jeong Hwan Kim, Chan Wha Kim, Hyo-Ihl Chang

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Three different strains of carotenoid accumulating Xanthophyllomyces dendrorhous mutants, JH1, JH2, and JH3, were isolated by NTG (N-methyl-N′-nitro-N-nitrosoguanidine) mutagenesis, which might potentially be useful for animal feed as well as for studies on the regulation and biosynthesis of astaxanthin. Mutants were selected based on the capability of growth and carotenoid production on the YM agar plate containing chemical inhibitor, β-ionone. Astaxanthin-overproducing mutant JH1 produced 4.032 mg astaxanthin/g dry cell weight, and this value was about 15-folds higher than that of wild-type. β-Carotene-overproducing mutant JH2 produced 0.273 mg β-carotene/g dry cell weight, and this was 4-folds increase from that of wild-type. In contrast, JH3 was a white-colored mutant that was unable to produce carotenoid pigment.

Original languageEnglish
Pages (from-to)570-575
Number of pages6
JournalJournal of Microbiology and Biotechnology
Volume14
Issue number3
Publication statusPublished - 2004 Jun 1

Fingerprint

Carotenoids
Yeast
Screening
Yeasts
Norisoprenoids
Weights and Measures
Methylnitronitrosoguanidine
Mutagenesis
Biosynthesis
Pigments
Agar
Animals
Growth
astaxanthine

Keywords

  • β-carotene
  • β-ionone
  • Astaxanthin
  • Mutagenesis
  • NGT (N-methyl-N′-nitro-N-nitrosoguanidine)
  • Xanthophyllmoyces dendrorhous

ASJC Scopus subject areas

  • Biotechnology
  • Applied Microbiology and Biotechnology
  • Microbiology
  • Bioengineering

Cite this

Screening and characterization of red yeast Xanthophyllomyces dendrorhous mutants. / Kim, Jeong Hwan; Kim, Chan Wha; Chang, Hyo-Ihl.

In: Journal of Microbiology and Biotechnology, Vol. 14, No. 3, 01.06.2004, p. 570-575.

Research output: Contribution to journalArticle

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