Basic mutant information
Mutant name	s40-3a
Mutant/Transgenic	mutant
Ecotype	Col-0
Mutagenesis type	T-DNA insertion_knock out
(Semi-)Dominant/Recessive	recessive
Description	The s40-3a mutant with a T-DNA insertion in the promoter region of the gene was observed to have a staygreen phenotype.
References	1: Fischer-Kilbienski I, Miao Y, Roitsch T, Zschiesche W, Humbeck K, Krupinska K Nuclear targeted AtS40 modulates senescence associated gene expression in Arabidopsis thaliana during natural development and in darkness. Plant Mol. Biol. 2010 Jul;73(4-5):379-90
Mutated genes
Locus name	AT4G19890
Alias	AtS40-3
Organism	Arabidopsis thaliana
Description	AtS40-3 is induced during senescence and is also regulated in response to dark treatment, ABA, salicylic acid and pathogen attack.
Phenotype information
Natural senescence Chlorophyll content high Leaf color green Marker gene expression no