Table 2 Selection of putative As tolerance-associated genes by comparing the expression ratio between the two accessions

Transcription factor

AT3G17611

RHOMBOID-like protein 14 (RBL14)

2.84

2.12

AT1G76880

GT-like trihelix DNA-binding protein

6.41

2.11

AT2G17900

ATSDG37

3.39

2.50

AT5G62020

Heat shock transcription factor B2A

4.49

3.41

AT2G33710

ERF (ethylene response factor) transcription factor family

3.98

2.15

Responses to heat

AT5G59720

ATHSP18.2

30.66

2.18

AT1G52560

HSP20-like chaperones superfamily protein

18.23

3.16

AT5G37670

HSP20-like chaperones superfamily protein

12.70

3.06

AT4G10250

ATHSP22

8.58

3.84

AT5G15450

HSP100/ClpB

8.12

2.42

AT2G32120

ATHSP70-2

4.51

2.89

AT4G25200

AtHSP23.6

4.33

3.46

AT4G21320

Heat-stress-associated 32-kD protein

4.12

2.18

AT2G26150

Heat shock transcription factor A2

3.79

3.98

AT2G25140

HSP100/ClpB4

3.35

3.38

AT2G19310

HSP20-like chaperones superfamily protein

4.14

2.10

AT3G12050

Aha1 domain-containing protein

2.77

2.25

AT3G09350

Encodes one of the Arabidopsis Hsp70-binding protein 1

4.12

2.39

AT2G24860

DnaJ/Hsp40 cysteine-rich domain superfamily protein

6.39

2.12

Responses to oxidative, salt and other stresses

AT4G37370

CYP81D8, cytochrome P450 - like protein

13.24

2.81

AT2G34500

CYP710A1, putative cytochrome P450

5.73

2.66

AT1G73480

alpha/beta-Hydrolases superfamily protein

6.47

2.33

AT3G60140

DIN2, member of glycoside hydrolase family 1

5.49

2.22

AT5G37710

alpha/beta-Hydrolases superfamily protein

3.33

2.25

AT3G09640

ATAPX2

5.72

5.17

AT2G04040

AtDTX1, identified as a detoxifying efflux carrier

4.92

3.00

AT2G47710

Adenine nucleotide alpha hydrolases-like superfamily

2.35

2.09

Signal transduction

AT4G21390

Protein serine/threonine kinase activity

17.03

2.00

AT3G09010

Protein kinase superfamily protein (LRR-RLK VIII)

3.23

2.58

AT3G22840

Encodes an early light-inducible protein

2.38

2.05

AT2G21940

Encodes a shikimate kinase

3.62

2.37

AT2G20900

diacylglycerol kinase 5 (DGK5)

3.67

2.17

Proteasome related pathway

AT1G14200

RING/U-box superfamily protein

6.60

2.89

AT1G26800

RING/U-box superfamily protein

6.22

2.65

AT1G55530

RING/U-box superfamily protein

5.24

2.45

AT5G09800

ARM repeat superfamily protein

5.56

2.39

AT5G48655

RING/U-box superfamily protein

3.95

2.13

AT3G13430

RING/U-box superfamily protein

3.75

2.28

AT4G11370

Encodes a putative RING-H2 finger protein RHA1a

3.12

2.15

AT5G38895

RING/U-box superfamily protein

2.83

2.29

AT4G23570

AtSGT1a

3.56

2.49

AT4G15420

Ubiquitin fusion degradation UFD1 family protein

3.43

2.00

AT1G32940

ATSBT3.5, involved in proteolysis

3.65

2.05

AT3G26980

MUB4, membrane-anchored ubiquitin-fold protein 4

4.88

2.54

GTP binding

AT3G21700

ATSGP2, Monomeric G protein

4.93

2.28

AT1G72660

GTP1, Small GTP-binding protein

16.12

3.01

Mitochondria electron transport

AT5G25450

Cytochrome bd ubiquinol oxidase

3.91

2.07

AT4G28390

AAC3, ADP,ATP carrier-like protein

10.16

2.57

AT4G27940

manganese tracking factor for mitochondrial SOD2 (MTM1)

2.65

2.70

Others

AT2G03430

Ankyrin repeat family protein

2.03

2.37

AT3G25900

ATHMT-1, Homocysteine S-methyltransferase

7.68

2.04

AT2G15490

ATUGT7, putative glucosyltransferase

4.86

2.07

AT4G00550

UDP-galactose-dependent digalactosyldiacylglycerol synthase

6.22

3.29

AT4G26270

phosphofructokinase 3 (ATPFK3)

5.38

3.64

AT3G16050

Encodes a protein with pyridoxal phosphate synthase

3.64

2.14

AT1G30070

SGS domain-containing protein

3.53

2.26

AT5G64170

dentin sialophosphoprotein-related protein

3.29

2.34

AT3G57810

Cysteine proteinases superfamily protein

2.94

2.27

AT1G24090

RNase H family protein

2.90

2.24

AT2G16900

Arabidopsis phospholipase-like protein family

2.80

2.08

AT4G32440

Plant Tudor-like RNA-binding protein

2.40

2.28

AT1G67360

Rubber elongation factor protein

2.24

2.73