Basic mutant information   
Mutant name sgr2-1
Mutant/Transgenic mutant
Ecotype Col-0
Mutagenesis type T-DNA
(Semi-)Dominant/Recessive recessive
Description SGR2-overexpressing plants stayed green and the sgr2-1 knockout mutant exhibited early leaf yellowing under age-, dark-, and stress-induced senescence conditions.
References
1: Sakuraba Y, Park SY, Kim YS, Wang SH, Yoo SC, H_rtensteiner S, Paek NC.
Arabidopsis STAY-GREEN2 is a negative regulator of chlorophyll degradation during leaf senescence.
Mol Plant. 2014 Aug;7(8):1288-1302. doi: 10.1093/mp/ssu045. Epub 2014 Apr 9.

Mutated genes   
Locus name At4g11910
Alias SGR2
Organism Arabidopsis thaliana
Description Staygreen2
Phenotype information   
Natural senescenceChlorophyll contentlow