Basic mutant information
Mutant name	pub4-6
Mutant/Transgenic	mutant
Ecotype	Col-0
Mutagenesis type	T-DNA
(Semi-)Dominant/Recessive	recessive
Description	pub4-6 mutants senesced early
References	1: Woodson JD, Joens MS, Sinson AB, Gilkerson J, Salome PA, Weigel D, Fitzpatrick JA, Chory J. Ubiquitin facilitates a quality-control pathway that removes damaged chloroplasts. Science. 2015 Oct 23;350(6259):450-4. doi: 10.1126/science.aac7444. Epub 2015 Oct 22.
Mutated genes
Locus name	AT2G23140
Alias	PUB4
Organism	Arabidopsis thaliana
Description	PLANT U-BOX 4 (PUB4) encodes a functional ubiquitin-protein ligase. The gene is expressed in most plant tissues and the protein localizes to the nucleus.
Phenotype information
Natural senescence Chlorophyll content low