General information

Mutant name aba1
Mutant/Transgenic plant mutant
Ecotype Ler
Mutagenesis type EMS
Dominant/Recessive/Semi-dominant recessive
PMID 11607209
CommentABA deficient; wilty;decreased stress or ABA induction of gene expression;sugar-resistent seedling growth.

Mutated genes

Locus name Alias Hormone Mutated site Paper description
AT5G67030 ABA1/LOS6/ZEP abscisic acid In aba1-1,a G at position 2129 was mutated to A encodea a Zeaxanthin epoxidase in first step of the biosynthesis of the abiotic stress hormone abscisic acid

Phenotype information

Organ AttributeNo hormoneabscisic acid
Cotyledon/Leaf Leaf senescenceearlier-
Stomata aperturelarger-
Silique/Seed Germination rate-increased
Loss of seed dormancya reduced dormancy-