General information

Mutant name aba4-1
Mutant/Transgenic plant mutant
Ecotype Ws-2
Mutagenesis type T-DNA insertion_knock out
Dominant/Recessive/Semi-dominant recessive
PMID 17470058
CommentIdentified in a screen for paclobutrazol-resistant germination; a novel protein involved in xanthophyll biosynthesis;abi4 mutant lacked neoxanthin isomers and accumlated violaxanthin.

Mutated genes

Locus name Alias Hormone Mutated site Paper description
AT1G67080 ABA4 abscisic acid the insertion of an A in the open reading frame at position 985, the frameshift. Encodes a novel chloroplast protein

Phenotype information

Organ AttributeNo hormone
Silique/Seed Loss of seed dormancyless dormant than Wt
othergermination PAC-insensitivity
Stress otheron rapid dehydration water loss rates in aba4 mutants were higher than those of Wt