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Role of anthocyanidin reductase, encoded by BANYULS in plant flavonoid biosynthesis.
- Source :
-
Science (New York, N.Y.) [Science] 2003 Jan 17; Vol. 299 (5605), pp. 396-9. - Publication Year :
- 2003
-
Abstract
- Condensed tannins (CTs) are flavonoid oligomers, many of which have beneficial effects on animal and human health. The flavanol (-)-epicatechin is a component of many CTs and contributes to flavor and astringency in tea and wine. We show that the BANYULS (BAN) genes from Arabidopsis thaliana and Medicago truncatula encode anthocyanidin reductase, which converts anthocyanidins to their corresponding 2,3-cis-flavan-3-ols. Ectopic expression of BAN in tobacco flower petals and Arabidopsis leaves results in loss of anthocyanins and accumulation of CTs.
- Subjects :
- Amino Acid Sequence
Anthocyanins chemistry
Arabidopsis genetics
Catechin metabolism
Circular Dichroism
Genes, Plant
Magnetic Resonance Spectroscopy
Medicago genetics
Molecular Sequence Data
NAD metabolism
NADH, NADPH Oxidoreductases genetics
NADP metabolism
Oxidation-Reduction
Oxygenases metabolism
Plants, Genetically Modified
Recombinant Proteins metabolism
Seeds metabolism
Stereoisomerism
Tannins chemistry
Nicotiana genetics
Anthocyanins biosynthesis
Anthocyanins metabolism
Arabidopsis enzymology
Arabidopsis Proteins
Medicago enzymology
NADH, NADPH Oxidoreductases metabolism
Proanthocyanidins
Tannins biosynthesis
Subjects
Details
- Language :
- English
- ISSN :
- 1095-9203
- Volume :
- 299
- Issue :
- 5605
- Database :
- MEDLINE
- Journal :
- Science (New York, N.Y.)
- Publication Type :
- Academic Journal
- Accession number :
- 12532018
- Full Text :
- https://doi.org/10.1126/science.1078540