General information

Mutant name det2-1
Mutant/Transgenic plant mutant
Ecotype Col-0
Mutagenesis type EMS
Dominant/Recessive/Semi-dominant recessive
PMID 8602526 11161033
CommentDe-etiolated; ABA hypersensitive.

Mutated genes

Locus name Alias Hormone Mutated site Paper description
AT2G38050 DET2 brassinosteroid 5-alpha-steroid reductase; 3-oxo-5-alpha-steroid 4-dehydrogenase; dwarf mutant
AT2G38050 DET2/DWF6 abscisic acid 5-alpha-steroid reductase; 3-oxo-5-alpha-steroid 4-dehydrogenase; dwarf mutant

Phenotype information

Organ AttributeNo hormonebrassinosteroid
Cotyledon/Leaf Hyponastic or epinastic leavesepinastic leaves-
Leaf colorlight-grown: smaller and dark green leaf-
Leaf growth in darkhave short thick pigmented and expanded cotyledons-
Leaf sizesmall leaves-
Petioleshortened petiolerescued by hormone
Rounded or narrow leavesrounded leaves-
Vasculature patternreduced leaf vasculature-
Hypocotyl/Stem Hypocotyl lengthdark-grown seedlings have short thick hypocotylsrescued by hormone
Internode lengthshort internode, reduced stem elongation-
Plant heightdwarf, reduced heightrescued by hormone
Shoot apical dominancereduced shoot apical dominance-
Silique/Seed Loss of seed dormancyreduced apical dominance-
Seed yieldno seeds-
Silique lengthshort silique-
Flower Anther developmentabnormal-
Fertilitysemisterile-
Flower sizesmall flower-
Flowering time under long daylate flowering-
Pollen developmentabnormal-
Stamenreduced male fertility-