General information

Mutant name sax1
Mutant/Transgenic plant mutant
Ecotype Col-0
Mutagenesis type other
Dominant/Recessive/Semi-dominant recessive
PMID 10377996
CommentNo comment

Mutated genes

Locus name Alias Hormone Mutated site Paper description
SAX1 SAX1 abscisic acid Uncloned--chromosome 1, lower arm; ; dwarf mutant; hypersensitive to ABA and auxin
SAX1 SAX1 brassinosteroid Uncloned--chromosome 1, lower arm; ; dwarf mutant; hypersensitive to ABA and auxin
SAX1 SAX1 ethylene Uncloned--chromosome 1, lower arm; ; dwarf mutant; hypersensitive to ABA and auxin

Phenotype information

Organ AttributeNo hormoneethyleneabscisic acid
Root Lateral rootreduced--
Primary rootshort-short
Root hairsmore--
otherhypersensitive elongation in ABA--
Cotyledon/Leaf Epinastic or hyponastic cotyledonepinastic cotyledon--
Hyponastic or epinastic leavesepinastic leaves--
Leaf colordark green leaf--
Leaf senescencedelayed--
Leaf sizesmall leaves--
Petioleshortened petiole--
Rounded or narrow leavesrounded leaves--
Stomata aperture--smaller
Vasculature patternreduced leaf vasculature--
othersmall,round ,dark-green cotyledons--
Hypocotyl/Stem Hypocotyl lengthshort hypocotylslong hypocotyls in GA and ethylene-
Internode lengthshort internode, reduced stem elongation--
Plant heightdwarf, reduced height--
Shoot apical dominancereduced shoot apical dominance--
Silique/Seed Seed yieldfewer seeds--
Silique lengthshort silique--
Flower Anther developmentabnormal--
Fertilitysemisterile--
Flowering time under long daylate flowering--
Pollen developmentabnormal--