Article
TRANSPARENT TESTA10 encodes a laccase-like enzyme involved in oxidative polymerization of flavonoids in Arabidopsis seed coat.
The Plant cell - 1 Nov 2005
Pourcel Lucille, Routaboul Jean-Marc, Kerhoas Lucien, Caboche Michel, Lepiniec Loïc, Debeaujon Isabelle
Abstract excerpt
The Arabidopsis thaliana transparent testa10 (tt10) mutant exhibits a delay in developmentally determined browning of the seed coat, also called the testa. Seed coat browning is caused by the oxidation of flavonoids, particularly proanthocyanidins, which are polymers of flavan-3-ol subunits such as epicatechin and catechin. The tt10 mutant seeds accumulate more epicatechin monomers and more soluble...
Topics
- Amino Acid Sequence
- Arabidopsis
- Arabidopsis Proteins
- Base Sequence
- Catechol Oxidase
- DNA, Complementary
- Flavonoids
- Gene Expression Regulation, Enzymologic
- Gene Expression Regulation, Plant
- Laccase
- Molecular Sequence Data
- Mutation
- Oxidation-Reduction