This table describes all known Arabidopsis genes involved in ROS-scavenging, as well as a group of genes involved in ROS production (i.e., NADPH oxidases).

Enzyme and Reaction a Gene Name Localization d AGI code c Affymetrix Gene Probe b
Superoxide Dismutase (SOD) FeSOD (FSD1) chl At4g25100.3 254098_at
O2- + O2- + 2H+ → H2O2 +O2 FeSOD (FSD2) chl At5g51100.1 248493_at
Expression FeSOD (FSD3)  chl At5g23310.1 249826_at
Cu/ZnSOD (CSD1)  cyt At1g08830.1 264809_at
Cu/ZnSOD (CSD2) chl At2g28190.1 266165_at
Cu/ZnSOD (CSD3) per At5g18100.1 250016_at
MnSOD (MSD1) mit At3g10920.1 256439_at
MnSOD-like sec At3g56350.1 251731_at
Ascorbate Peroxidase (APX) APX1 cyt At1g07890.1 261412_at
2 Asc + H2O2 → 2 MDA + 2H2O APX2 cyt At3g09640.1 258695_at
Expression APX3 per/chl At4g35000.1 253223_at
APX4 chl At4g09010.1 255078_at
APX5 per At4g35970.1 253112_at
APX6 cyt/chl/mit At4g32320.1 253477_at
APX7 mit At1g33660.1 261990_at
stromal-APX chl/mit At4g08390.2 255142_at
thylakoid-APX chl At1g77490.1 259707_at
Monodehydroascorbate Reductase (MDAR) MDAR1 chl/mit At1g63940.4 260325_at
MDA + NAD(P)H+H+ → Asc + NAD(P)- MDAR2  cyt At3g09940.1 258941_at
MDAR3 cyt/mit At3g27820.1 257227_at
MDAR4 cyt At3g52880.1 252024_at
MDAR5 cyt At5g03630.1 250916_at
Dehydroascorbate Reductase (DHAR) DHAR1 chl/mit At5g16710.1 246454_at
DHA + 2 GSH → Asc + GSSG DHAR2 cyt At5g36270.1 246617_at
DHAR3 cyt/chl At1g75270.1 256453_at
DHAR4  cyt/chl At1g19550.1  /
DHAR5 cyt/chl At1g19570.1  261149_s_at
Glutathione Reductase (GR) GR1  cyt At3g24170.1 257252_at
GSSG + NAD(P)H → 2 GSH + NAD(P)- GR2 chl/mit At3g54660.1 251860_at
Catalase (Cat) Cat1 per At1g20630.1 259517_at
2H2O2 → 2H2O + O2 Cat2 per At4g35090.1 253174_at
Cat3 per At1g20620.1 259544_at
Glutathione Peroxidase (GPX) GPX1 chl At2g25080.1 264383_at
H2O2 + 2 GSH → 2H2O + GSSG GPX2 cyt/chl At2g31570.1 263426_at
GPX3 mit At2g43350.1 260545_at
GPX4 cyt At2g48150.1 262350_at
GPX5 er At3g63080.1 251205_at
GPX7 chl At4g31870.1 253496_at
GPX8 cyt/chl At1g63460.1 261530_at
Phospholipid GPX6 chl/mit At4g11600.1 254890_at
Ferritin Ferritin 1  chl At5g01600.1 251109_at
Fe + P → P-Fe  Ferritin 2 chl/mit At3g56090.1 251735_at
Ferritin 3  chl/mit At2g40300.1 263831_at
Ferritin 4 chl At3g11050.1 256416_at
Blue copper protein Blue copper binding protein  sec At5g20230.1 246099_at
Cu + P → P-Cu  Blue copper protein, putative  sec At1g72230.1 259801_at
Blue copper protein, putative  sec At3g27200.1 257151_at
Blue copper-binding protein III  sec At3g60280.1 251410_at
Blue copper-binding protein, 15K (lamin)  sec At4g12880.1 254789_at
Copper binding - like protein  sec/mit At5g26330.1 246827_at
Copper-binding protein CUTA  chl/mit At2g33740.1 267405_at
Copper-binding protein-like  sec/mit At4g28365.1  /
putative blue copper-binding protein  sec/mit At2g31050.1 267204_at
NADPH oxidase NADPH oxidase (RbohA)  mem At5g07390.1 250629_at
NADPH + e- + O2 → NADP- + O2- + H+ NADPH oxidase (RbohB) mem At1g09090.2 264647_at
NADPH oxidase (RbohC) mem At5g51060.1 248486_at
NADPH oxidase (RbohD) mem At5g47910.1 248719_at
NADPH oxidase (RbohE) mem At1g19230.1 256011_at
NADPH oxidase (RbohF)  mem At1g64060.1 262344_at
NADPH oxidase (RbohG) mem At4g25090.1 254092_at
NADPH oxidase (RbohH) mem At5g60010.1 247647_at
NADPH oxidase (RbohI) mem At4g11230.1 254912_at
NADPH oxidase (RbohJ) mem At3g45810.1 252544_at
NADPH oxidase-like Acyltransferase At5g23980.1 /
NADPH + e- + O2 → NADP- + O2- + H+ (?) Ferric reductase-like (NADPH oxidase like) mem At5g49730.1 248566_s_at
Ferric reductase-like (NADPH oxidase like) mem At5g50160.1 248540_at
Ferric-chelate reductase At1g01580.1 /
Ferric-chelate reductase At5g49740.1 /
Ferric-chelate reductase At5g23990.1 /
Ferric-chelate reductase At1g01590.1 /
NADH-ubiquinone oxidoreductase At5g67590.1 /
putative NADPH oxidase flavocytochrome mem/mit At1g23020.1 264751_at
Alternative Oxidase (AOX) AOX putative mit At1g32350.1 260706_at
2e- + 2H+ + O2 → H2O  AOX1A mit At3g22370.1 258452_at
AOX1B mit At3g22360.1 258451_at
AOX1C mit At3g27620.1 258235_at
AOX2 mit At5g64210.1 247269_at
Immutans chl At4g22260.1 254335_at
Peroxiredoxin (PrxR) 1-Cys PrxR nuc At1g48130.1 260716_at
2P-SH + H2O2 → P-S-S-P + 2H2O 2-cys PrxR A chl At3g11630.1 259237_at
2-cys PrxR B chl At5g06290.1 250733_at
2-cys PrxR F mit At3g06050.1 258469_at
PrxR Q chl At3g26060.1 258087_at
Type 2 PrxR A  mem/chl At1g65990.1 261971_at
Type 2 PrxR B cyt At1g65980.1 261919_at
Type 2 PrxR C cyt At1g65970.1 /
Type 2 PrxR D cyt At1g60740.1 264923_s_at
Type 2 PrxR E chl/mit At3g52960.1 251993_at
Type 2 PrxR -related cyt At3g03405.1 /
Thioredoxins (Trx) Ferredoxin-thioredoxin reductase  chl At2g04700.1 263624_at
P-S-S-P + 2H+  →  2P-SH  Phosphoadenylyl-sulfate reductase  chl At1g62180.1 264745_at
similar to thioredoxin  sec/chl At1g43560.1 262721_at
Thioredoxin family mit At1g31020.1 265104_at
Thioredoxin family sec/mit At1g52990.1 261374_at
Thioredoxin family mit At1g53300.1 260645_at
Thioredoxin family chl At1g76760.1 259868_at
Thioredoxin family chl At2g33270.1 255847_at
Thioredoxin family mit/chl At2g42580.1 263499_at
Thioredoxin family chl/mit At3g06730.1 258534_at
Thioredoxin family cyt At3g08710.1 258665_at
Thioredoxin family er/mit At3g20560.1 257095_at
Thioredoxin family cyt/mit At3g56420.1 /
Thioredoxin family cyt At4g04950.1 255279_at
Thioredoxin family cyt At3g56420.1 /
Thioredoxin family chl/mit At4g29670.2 253693_at
Thioredoxin family cyt At4g32580.1 /
Thioredoxin family chl/mit At4g37200.1 246226_at
Thioredoxin H -related cyt/mit At2g40790.1 266048_at
Thioredoxin H-type 1 (TRX-H-1) cyt At3g51030.1 252119_at
Thioredoxin H-type 2  cyt At5g39950.1 249385_at
Thioredoxin H-type 3  cyt At5g42980.1 249176_at
Thioredoxin H-type 4 (TRX-H-4) cyt At1g19730.1 261145_at
Thioredoxin H-type 5 (TRX-H-5) cyt At1g45145.1 260943_at
Thioredoxin M-type 1 (TRX-M1) chl/mit At1g03680.1 264845_at
Thioredoxin M-type 2 chl At4g03520.1 255379_at
Thioredoxin M-type 3 chl At2g15570.1 265476_at
Thioredoxin M-type 4 chl At3g15360.1 258398_at
Thioredoxin reductase 1  cyt At4g35460.1 /
Thioredoxin reductase 2  cyt/mit At2g17420.1 264904_s_at
Thioredoxin reductase, putative chl At2g41680.1 245118_at
Thioredoxin x chl/mit At1g50320.1 262418_at
Glutaredoxin (GLR) Glutaredoxin family cyt At1g03020.1 263168_at
DHA + 2 GSH → Asc + GSSG Glutaredoxin family chl/mit At1g03850.2 265067_at
Glutaredoxin family sec/mit At1g06830.1 260831_at
Glutaredoxin family cyt/mit At1g28480.1 261443_at
Glutaredoxin family chl At2g20270.1 265288_at
Glutaredoxin family sec/mit At2g30540.1 267497_at
Glutaredoxin family sec At2g47870.1 /
Glutaredoxin family sec/mit At2g47880.1 266516_at
Glutaredoxin family cyt At3g02000.1 259002_at
Glutaredoxin family cyt At3g62930.1 251195_at
Glutaredoxin family sec/mit At3g62950.1 251196_at
Glutaredoxin family sec/mit At3g62960.1 251197_at
Glutaredoxin family er/sec/mit At4g15660.1 245504_at
Glutaredoxin family cyt/mit At4g15660.1 /
Glutaredoxin family er/sec/mit At4g15680.1 245392_at
Glutaredoxin family er/sec/mit At4g15690.1 245505_at
Glutaredoxin family er/sec/mit At4g15700.1 245506_at
Glutaredoxin family chl/mit At4g28730.1 /
Glutaredoxin family cyt At4g33040.1 253382_at
Glutaredoxin family chl/mit At5g11930.1 250344_at
Glutaredoxin family cyt At5g14070.1 250223_at
Glutaredoxin family cyt/mit At5g18600.1 249996_at
Glutaredoxin putative sec At1g77370.1 246384_at
Glutaredoxin putative sec At5g20500.1 246092_at
Glutaredoxin putative er/sec/chl At5g40370.1 249380_at
Glutaredoxin putative cyt At5g63030.1 247418_at
  Glutaredoxin-related cyt At3g11920.1 258754_at
Peptide Methionine Sulfoxide Reductase(PMSR) PMSR1 cyt At5g61640  
  PMSR2 cyt At5g07460  
  PMSR3 cyt At5g07470  
  PMSR4 chl At4g25130  
PMSR5 sec At2g18030  

Table taken from www.ag.unr.edu/ROS/