Pks63787, a Polyketide Synthase Gene Responsible for the Biosynthesis of Benzenoids in the Medicinal Mushroom Antrodia cinnamomea

Po Wei Yu, Ya Chih Chang, Ruey Fen Liou, Zong-Huei Li, Shean Shong Tzean

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Antrodia cinnamomea, a unique resupinate basidiomycete endemic to Taiwan, has potent medicinal activities. The reddish basidiocarps and mycelia generally exhibit abundant metabolites and higher biological activity. To investigate the pigments of A. cinnamomea, polyketide synthase (PKS) genes were characterized based on its partially deciphered genome and the construction of a fosmid library. Furthermore, a gene disruption platform was established via protoplast transformation and homologous recombination. Of four putative polyketide synthase genes, pks63787 was selected and disrupted in the monokaryotic wild-type (wt) strain f101. Transformant Δpks63787 was deficient in the synthesis of several aromatic metabolites, including five benzenoids and two benzoquinone derivatives. Based on these results, a biosynthetic pathway for benzenoid derivatives was proposed. The pks63787 deletion mutant not only displayed a reduced red phenotype compared to the wt strain but also displayed less 1,1-biphenyl-2-picrylhydrazyl free radical scavenging activity. This finding suggests that PKS63787 is responsible for the biosynthesis of pigments and metabolites related to the antioxidant activity of A. cinnamomea. The present study focuses on the functional characterization of the PKS gene, the fluctuations of its profile of secondary metabolites, and interpretation of the biosynthesis of benzenoids.

Original languageEnglish
Pages (from-to)1485-1491
Number of pages7
JournalJournal of Natural Products
Volume79
Issue number6
DOIs
Publication statusPublished - Jun 24 2016
Externally publishedYes

Fingerprint

Antrodia
Polyketide Synthases
Agaricales
Biosynthesis
Metabolites
Genes
Fungal Fruiting Bodies
Pigments
Basidiomycota
Protoplasts
Homologous Recombination
Mycelium
Biosynthetic Pathways
Derivatives
Taiwan
Libraries
Free Radicals
Scavenging
Bioactivity
Antioxidants

ASJC Scopus subject areas

  • Drug Discovery
  • Pharmacology
  • Pharmaceutical Science
  • Analytical Chemistry
  • Organic Chemistry
  • Molecular Medicine
  • Complementary and alternative medicine

Cite this

Pks63787, a Polyketide Synthase Gene Responsible for the Biosynthesis of Benzenoids in the Medicinal Mushroom Antrodia cinnamomea. / Yu, Po Wei; Chang, Ya Chih; Liou, Ruey Fen; Li, Zong-Huei; Tzean, Shean Shong.

In: Journal of Natural Products, Vol. 79, No. 6, 24.06.2016, p. 1485-1491.

Research output: Contribution to journalArticle

Yu, Po Wei ; Chang, Ya Chih ; Liou, Ruey Fen ; Li, Zong-Huei ; Tzean, Shean Shong. / Pks63787, a Polyketide Synthase Gene Responsible for the Biosynthesis of Benzenoids in the Medicinal Mushroom Antrodia cinnamomea. In: Journal of Natural Products. 2016 ; Vol. 79, No. 6. pp. 1485-1491.
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