General information

Mutant name axr2-1
Mutant/Transgenic plant mutant
Ecotype Col-0
Mutagenesis type EMS
Dominant/Recessive/Semi-dominant dominant
PMID 2148800
CommentAuxin-resistant root growth;Resistant to ABA and ethylene

Mutated genes

Locus name Alias Hormone Mutated site Paper description
AT3G23050 AXR2 auxin C to T missense mutation for Pro to Ser at codon 87 repressor of transcription factor ARFs in auxin signaling. Belongs to the Aux/IAA protein family.
AT3G23050 AXR2 abscisic acid C to T missense mutation for Pro to Ser at codon 87 repressor of transcription factor ARFs in auxin signaling. Belongs to the Aux/IAA protein family.

Phenotype information

Organ AttributeNo hormoneauxin
Root Agravitropic rootyesyes
Lateral rootreducedreduced
Primary rootshortlong
Root hairsno root hairsfewer
Cotyledon/Leaf Hyponastic or epinastic leavesepinastic leaves-
Leaf colordark green leaf-
Leaf growth in darkleaves in dark-
Petioleshortened petiole-
Rumpled or serrated leavesrumpled leaves-
Hypocotyl/Stem Agravitropic hypocotylsyes-
Hypocotyl lengthshort hypocotyls-
Internode lengthshort internode, reduced stem elongation-
Plant heightdwarf, reduced height-
Silique/Seed Silique lengthshort silique-
Flower Flower sizeenlarged flower-
Stress otherresistant to ABA and ethylene-