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Molecular cloning and characterization of aldehyde oxidases in Arabidopsis thaliana

Archive ouverte | Sekimoto, Hiroyuki | CCSD

6 illus.. International audience

The Arabidopsis ABA-deficient mutant aba4 demonstrates that the major route for stress-induced ABA accumulation is via neoxanthin isomers

Archive ouverte | North, Helen | CCSD

International audience. A novel abscisic acid (ABA)-deficient mutant, aba4, was identified in a screen for paclobutrazol-resistant germination. Compared with wild-type, the mutant showed reduced endogenous ABA level...

The Arabidopsis aba4-1 mutant reveals a specific function for neoxanthin in protection against photooxidative stress

Archive ouverte | Dall'Osto, Luca | CCSD

International audience. The aba4-1 mutant completely lacks neoxanthin but retains all other xanthophyll species. The missing neoxanthin in light-harvesting complex (Lhc) proteins is compensated for by higher levels ...

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