Table 1.

List of genes involved in H₂O₂ detoxification or signaling were more upregulated in Cu-chl NaCl compared to NaCl. AtPrx, arabidopsis thaliana Class III peroxidase; Trx, thioredoxin superfamily protein; Rboh, respiratory burst oxidase homolog/riboflavin synthase-like superfamily protein; Dox, alpha dioxygenase Tpx, thioredoxin-dependent peroxidase; GSTU, glutathione S-transferase class tau; GSTL, glutathione S-transferase lambda; GSTF, glutathione S-transferase class phi.

Function	Gene ID	Gene Name	log2Fold Change	Previously Reported	References
H2O2 detoxification	Peroxidases
	Class III peroxidases
	AT1G05260	AtPrx3	1.93	Cold inducible tolerance, Stamen abscission	[44,45]
	AT1G14550	AtPrx5	3.50
	AT1G30870	AtPrx7	5.33	TNT treatment	[46]
	AT1G49570	AtPrx10	3.90
	AT1G68850	AtPrx11	1.88	Cuticle metabolism regulation in response to abiotic stress	[47]
	AT2G18980	AtPrx16	2.75
	AT2G37130	AtPrx21	1.43	Stamen abscission, aluminum stress	[45,48]
	AT2G38380	AtPrx22	2.02	potassium deficiency	[49]
	AT2G38390	AtPrx23	2.52
	AT2G39040	AtPrx24	3.42
	AT3G01190	AtPrx27	4.11	Aluminum stress, TNT treatment	[46,48]
	AT3G03670	AtPrx28	2.87
	AT3G21770	AtPrx30	1.42	Cell elongation, Stamen abscission, Monolignin polymerization	[45,50,51]
	AT3G32980	AtPrx32	1.69	Cell elongation	[50]
	AT4G26010	AtPrx44	1.65
	AT4G30170	AtPrx45	2.35	Cell elongation, aluminum stress, TNT treatment, Stamen abscission	[45,48,50,52]
	AT4G37520	AtPrx50	1.34	Low oxygen response, phosphate starvation, Stamen abscission	[45,53,54]
	AT5G06730	AtPrx54	2.07
	AT5G14130	AtPrx55	2.82
	AT5G15180	AtPrx56	1.42	Aluminum stress	[48]
	AT5G17820	AtPrx57	4.38	Arsenic stress, TNT treatment, cell elongation	[46,50,55]
	AT5G19890	AtPrx59	4.22	Aluminum stress, Mechanical stimulus	[48,51]
	AT5G24070	AtPrx61	3.46
	AT5G64100	AtPrx69	2.67	Phosphate starvation, sulphur deficiency	[52,53]
	AT5G66390	AtPrx72	1.33	Cell elongation	[50]
	AT5G67400	AtPrx73	2.56	Aluminum stress	[48]
H2O2 detoxification and signaling	Other peroxidases
	AT1G60740	Trx	4.66
	AT5G07390	RbohA	2.94	Lateral root emergence, salinity and cold stress	[54,55]
	AT1G09090	RbohB	3.26	Nitrogen fixation, lateral root emergence	[56,57]
	AT5G51060	RbohC	1.99	Lateral root emergence, salinity and cold stress	[58,59]
	AT4G25090	RbohG	2.96	Lateral root emergence	[60]
	AT4G11230	RbohI	1.12	Drought stress	[61]
	AT3G01420	Dox1	2.93
	AT1G65970	Tpx2	1.27
H2O2 detoxification	Glutathione S-transferase
	AT2G29490	GSTU1	2.79	Herbicide treatment, phytoremediation, oxidative stress response (SO2), salinity, drought and cold stress	[62,63,64,65,66]
	AT2G29480	GSTU2	2.63	Herbicide treatment, salinity and drought stress	[65,67]
	AT2G29470	GSTU3	2.64	Oxidative stress response (SO2)	[64]
	AT2G29460	GSTU4	1.76	Oxidative stress response (SO2), salinity	[64,68]
	AT2G29420	GSTU7	1.37	Seed germination, ABA response and osmotic stress	[69]
	AT3G09270	GSTU8	1.40	Cadmium treatment	[70]
	AT1G69920	GSTU12	1.68	Salinity stress	[71]
	AT1G27140	GSTU14	4.32
	AT1G78340	GSTU22	2.89
	AT1G17170	GSTU24	1.61	TNT treatment, herbicide treatment, phytoremediation, oxidative stress response (SO2)	[62,63,64]
	AT5G02780	GSTL1	1.27	Increased tolerance to salinity stress	[72]