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Table 2 Homologies of differentially expressed cDNA-AFLP fragments with known gene sequences in database using BLASTN algorithm along their expression patterns in B-toxic leaves of Citrus grandis and Citrus sinensis

From: cDNA-AFLP analysis reveals the adaptive responses of citrus to long-term boron-toxicity

TDF #

Size(bp)

Homology

Organism origin

E-value

Similarity (%)

Genebank ID

Ratio of BT/CK

CG

CS

Carbohydrate and energy metabolism

      

143_2

280

Ribulose-1,5-bisphosphate carboxylase/oxygenase small subunit precursor

Citrus reticulata

6.00E-49

93%

AAG49562.1

0

 

251_1

329

Photosystem II 32 kDa protein (psbA)

Dumortiera hirsuta

1.00E-64

97%

AEI72217.1

0

 

112_2

173

Chloroplast photosystem II oxygen-evolving complex 23 kDa polypeptide

Cucumis sativus

1.00E-18

75%

ABK55671.1

0

2.9

239_4

223

NifU-like protein

Medicago truncatula

3.00E-17

87%

XP_003594958.1

0

 

23_2

253

Glyceraldehyde-3-phosphate dehydrogenase B

Arabidopsis thaliana

3.00E-06

84%

NP_174996.1

 

+

6_4

222

Rubisco activase

A. thaliana

1.00E-33

94%

BAF01986.1

 

0

249_3

313

Sedoheptulose-1 7-bisphosphatase

M. truncatula

2.00E-48

97%

XP_003600853.1

+

+

235_2

305

ADP-glucose pyrophosphorylase

Pisum sativum

5.00E-39

82%

CAA69978.1

 

0

42_1

193

Starch branching enzyme I

Ipomoea batatas

1.00E-27

90%

BAE96953.1

0

 

59_2

287

Glucose-1-phosphate adenylyltransferase large subunit 1

A. thaliana

2.00E-32

77%

NP_197423.1

0

0

75_2

221

Citrate synthase

Citrus maxima

4.00E-34

97%

ADZ05826.1

2.8

 

87_1

224

Pyruvate dehydrogenase E1 component subunit beta

M. truncatula

1.00E-26

83%

XP_003620963.1

+

 

33_2

289

Aconitate hydratase 3

Citrus clementina

7.00E-50

94%

CBE71057.1

+

 

161_3

257

2,3-bisphosphoglycerate- independent phosphoglycerate mutase

Vitis amurensis

1.00E-40

91%

ACI96093.1

 

+

35_1

160

Plastidial pyruvate kinase 3

A. thaliana

6.00E-21

96%

NP_564402.1

 

0

130_1

272

Aconitate hydratase 1

Citrus clementina

2.00E-31

98%

CBE71056.1

 

0

171_2

328

Protochlorophyllide oxidoreductase C (PORC, AT1G03630)

A. thaliana

1.00E-43

89%

BAH57125.1

0

0

5_1

192

Cytochrome P450

Citrus sinensis

2.00E-16

63%

AAL24049.1

+

 

76_1

261

Cytochrome P450 like protein

A. thaliana

3.00E-29

68%

BAE99553.1

+

 

237_2

258

1,3-beta-D-glucanase GH17_65

Populus tremula ± Populus tremuloides

2.00E-31

78%

ADW08745.1

 

0

233_5

216

Alpha-glucan water dikinase 1

A. thaliana

4.00E-14

82%

NP_563877.1

+

0

57_3

176

UDP-D-glucuronate 4-epimerase 3

A. thaliana

1.00E-21

90%

NP_191922.1

0.3

+

117_2

242

Rubredoxin family protein

A. thaliana

8.00E-24

81%

NP_568342.1

 

0

121_1

179

Rieske iron-sulphur protein precursor

Pinellia ternata

6.00E-20

86%

CAM57108.1

+

 

Lipid metabolism

      

10_1

282

Fatty acid hydroperoxide lyase

Citrus aurantium

2.00E-41

100%

ABI64149.1

 

0

233_3

217

3-oxoacyl-reductase

Zea mays

2.00E-05

85%

NP_001167684.1

 

0

195_1

321

Sugar-dependent1

Arabidopsis lyrata subsp. lyrata

3.00E-28

86%

XP_002871068.1

 

+

8_1

232

Acyl carrier protein 1, chloroplastic-like

Vitis vinifera

6.4

42%

XP_003631979.1

0.4

 

194_1

256

Alpha/beta-hydrolase domain-containing protein

A. thaliana

2.00E-34

72%

NP_181474.2

+

 

186_4

276

Phospholipase-like protein (PEARLI 4) domain-containing protein

A. thaliana

7.00E-10

35%

NP_973499.1

+

 

Nucleic acid metabolism

      

52_1

248

Spliceosomal protein U1A

A. thaliana

1.00E-24

69%

NP_182280.1

+

 

49_1

337

Heat stress transcription factor B-2b

M. truncatula

8.00E-32

78%

XP_003611134.1

+

 

72_4

171

Global transcription factor gro + A2

A. thaliana

2.00E-04

69%

NP_192575.3

+

 

120_1

257

IAA13

Solanum lycopersicum

3.00E-30

67%

AEX00356.1

3.3

 

44_1

307

Elongator complex protein 3

A. thaliana

4.00E-53

89%

NP_568725.1

+

 

159_2

366

Flowering time control protein FPA (AT2G43410)

A. thaliana

0.14

32%

BAH56948.1

+

 

164_1

285

ABA responsive element-binding protein

Solanum torvum

3.00E-10

84%

AFA37978.1

+

0

73_2

255

Regulator of ribonuclease-like protein

M. truncatula

2.00E-08

83%

XP_003593378.1

+

+

250_3

305

RNA recognition motif-containing protein

A. thaliana

7.00E-31

70%

NP_563946.1

0.4

2.7

157_2

256

RNA recognition motif-containing protein

A. thaliana

3.00E-28

76%

NP_188119.1

0

+

11_1

353

Putative RNA helicase MTR4

A. thaliana

1.00E-44

82%

NP_176185.1

0

 

71_3

209

RNA helicase SDE3

A. thaliana

7.00E-24

71%

AAK40099.1

0

0

186_1

395

Chromodomain-helicase-DNA-binding protein

M. truncatula

9.00E-56

73%

XP_003625728.1

 

0

108_1

317

Receptor for activated C kinase 1B

A. thaliana

3.00E-40

87%

NP_175296.1

 

0

67_4

195

Sequence-specific DNA binding transcription factor

A. thaliana

5.2

47%

NP_566386.1

0

 

60_1

333

AT5g24120/MLE8_4

A. thaliana

9.00E-37

63%

AAK74018.1

 

+

10_4

114

GRAS family transcription factor

Populus trichocarpa

2.00E-04

78%

XP_002310226.1

0

 

22_3

248

MAF1-like protein

Citrus sinensis

2.00E-24

96%

AEV43358.1

0

 

131_1

270

RNA-binding (RRM/RBD/RNP motifs) family protein

A. thaliana

7.00E-23

62%

NP_171616.1

 

7.3

104_1

234

Zinc finger CCCH domain-containing protein

M. truncatula

1.00E-04

43%

XP_003605843.1

0

 

68_2

217

F14N23.20

A. thaliana

3.00E-27

83%

AAD32882.1

0.3

 

Protein and amino acid metabolism

      

236_1

312

Translation initiation factor IF-2, chloroplastic (AT1G17220)

A. thaliana

4.00E-45

85%

BAH20402.1

0

 

117_4

174

Eukaryotic release factor 1-3

Brassica oleracea var.botrytis

3.00E-22

94%

ACZ71035.1

0

 

93_3

193

EMB1241

A.s lyrata subsp. lyrata

5.00E-09

69%

XP_002873846.1

0.4

 

73_3

201

Ankyrin repeat domain-containing protein

M. truncatula

5.00E-19

66%

XP_003614004.1

0.2

 

179_4

274

50S ribosomal protein L15

A. thaliana

1.00E-18

80%

NP_189221.1

0

 

105_1

216

30S ribosomal protein S17

M. truncatula

0.005

89%

XP_003604547.1

0

0

99_6

165

60S ribosomal protein L6, putative

A. thaliana

2.00E-18

93%

AAM65875.1

0

 

186_2

224

60S ribosomal protein L4-1

A. thaliana

3.00E-52

90%

NP_001030663.1

0

 

129_2

253

60S ribosomal protein L23

A. thaliana

2.00E-74

97%

NP_001189805.1

+

 

161_1

221

60S ribosomal protein L10B

Hevea brasiliensis

3.00E-27

83%

ADR71273.1

+

 

93_2

210

SHEPHERD

A. thaliana

2.00E-26

86%

BAB86368.1

+

 

98_1

272

Chaperonin 20

A. thaliana

2.00E-37

81%

NP_197572.1

 

0

69_3

174

AT5G47880

A. thaliana

3.00E-20

92%

BAH19602.1

 

0

23_4

208

MAP kinase

A. thaliana

1.00E-20

98%

CAB63149.1

0

 

139_4

300

Putative leucine-rich repeat receptor-like protein kinase

A. thaliana

4.00E-25

55%

NP_200956.1

0

 

72_1

238

CBL-interacting protein kinase 19

Populus trichocarpa

8.7

89%

ABJ91226.1

0

 

39_3

200

At1g25390/F2J7_14

A. thaliana

3.00E-23

81%

AAK97715.1

0

 

12_2

250

CDK activating kinase

Nicotiana tabacum

3.7

46%

BAF75824.1

+

 

22_2

252

Serine/threonine protein kinase ATR

M. truncatula

6.00E-30

83%

XP_003592675.1

+

 

235_3

285

Receptor-like protein kinase

M. truncatula

9.00E-11

57%

XP_003621121.1

+

 

110_1

408

Receptor-like protein kinase

A. thaliana

2.00E-31

55%

BAA96958.1

 

0

99_1

342

Protein phosphatase 2C (PP2C)

Fagus sylvatica

6.00E-30

71%

CAB90633.1

2.6

3.7

99_2

273

C3H4 type zinc finger protein

A. thaliana

7.00E-28

64%

NP_194986.2

+

 

54_1

318

AT5g57360/MSF19_2

A. thaliana

1.00E-45

75%

AAK64006.1

+

 

57_1

246

E3 ligase SAP5

A. thaliana

2.00E-37

84%

NP_566429.1

+

 

234_1

306

Root phototropism protein 2

A. thaliana

9.00E-29

60%

NP_001031446.1

2.8

3.4

96_1

229

E3 ubiquitin-protein ligase BRE1-like protein

M. truncatula

2.8

29%

XP_003637493.1

0

 

187_1

314

Skp1-like protein 1

Prunus avium

4.00E-51

85%

AFJ21662.1

0

 

120_2

227

Polyubiquitin

Cicer arietinum

8.00E-39

100%

BAA76429.1

0.1

 

158_2

313

Putative E3 ubiquitin-protein ligase XBAT31 isoform 2

Vitis vinifera

2.00E-18

63%

XP_002283974.1

 

+

73_1

327

F-box family protein

Citrus trifoliata

4.00E-64

98%

ACL51019.1

 

0

112_1

202

F-box with WD-40 2

A. thaliana

1.00E-04

81%

NP_567343.1

 

0

38_3

212

Drought-inducible cysteine proteinase RD19A precursor

A. thaliana

1.00E-15

86%

BAD94010.1

6.0

0.3

81_1

234

Metalloendopeptidase/zinc ion binding protein

A. thaliana

1.00E-31

84%

NP_568608.2

+

 

38_4

261

Serine carboxypeptidase II-3

M. truncatula

7.00E-21

74%

XP_003589243.1

5.9

 

73_4

143

Proteasome component (PCI) domain protein

A. thaliana

2.00E-07

69%

NP_850994.1

 

+

240_1

359

RHOMBOID-like protein 3

A. thaliana

8.00E-38

65%

NP_196342.1

 

+

39_1

248

Clp protease proteolytic subunit

Citrus sinensis

2.00E-29

100%

YP_740501.1

0

 

145_1

319

Subtilase family protein

A. thaliana

3.00E-32

62%

NP_199378.1

 

0

67_1

315

Aminopeptidase family protein

A. thaliana

2.00E-45

85%

NP_179997.1

 

0

75_1

251

Papain family cysteine protease

A. thaliana

3.00E-26

85%

NP_567489.1

 

0

138_4

320

AT4G01850

A. thaliana

3.00E-59

93%

BAH20274.1

 

+

245_1

270

Methionine synthase

Carica papaya

2.00E-45

98%

ABS01352.1

0

 

231_4

216

N-carbamoylputrescine amidase

A. thaliana

6.00E-10

76%

NP_565650.1

0.1

 

61_2

289

2-oxoglutarate-dependent dioxygenase

P. trichocarpa

1.00E-07

74%

XP_002313083.1

+

 

251_3

276

Cystathionine beta-synthase domain-containing protein

A. thaliana

8.00E-45

89%

NP_195409.1

 

0

Stress responses

      

118_1

207

Inorganic pyrophosphatase 1

A. thaliana

2.00E-16

83%

NP_565052.1

0

3.3

148_2

317

Nudix hydrolase 19

A. thaliana

2.00E-48

78%

NP_197507.1

0

+

59_1

346

Fe (II)/ascorbate oxidase family protein SRG1

A. thaliana

2.00E-16

71%

NP_173145.1

 

0

137_2

156

Thioredoxin superfamily protein

A. thaliana

3.00E-10

58%

NP_198706.1

+

 

68_3

146

Thioredoxin superfamily protein

A. thaliana

3.00E-07

59%

NP_201385.2

0.1

 

2_1

276

Group 5 late embryogenesis abundant protein (LEA5)

Citrus unshiu

1.00E-35

94%

ABD93882.1

3.0

 

125_1

389

Thaumatin-like protein 1

Apple tree

9.00E-48

69%

JC7201

+

 

99_5

190

Protein sodium-and lithium-tolerant 1

A. thaliana

1.00E-23

92%

NP_973625.1

0

 

104_3

171

Transducin/WD40 domain-containing protein (AtATG18a, AT3G62770)

A. thaliana

3.00E-20

94%

NP_001030918.4

 

0

109_1

257

Cold regulated 314 thylakoid membrane 2

A. thaliana

1.00E-19

56%

NP_564327.1

 

0

150_2

238

Universal stress protein A-like protein

M. truncatula

4.00E-27

71%

XP_003591417.1

0.2

 

Signal transduction

     

182_2

117

Signal recognition particle 54 kDa protein 2

Solanum lycopersicum

7.00E-07

93%

NP_001234428.1

0

 

108_2

257

14-3-3 protein

Dimocarpus longan

6.00E-38

93%

ACK76233.1

0

 

200_1

240

Heterotrimeric GTP-binding protein subunit beta 1

Nicotiana tabacum

3.00E-39

94%

AAG12330.1

0

 

70_2

252

Pseudo-response regulator 5

Castanea sativa

5.00E-12

86%

ABV53464.1

 

+

Cell transport

       

26_1

342

H+-ATPase 6, plasma membrane-type

A. thaliana

1.00E-38

97%

NP_178762.1

+

 

124_3

166

Calcium-transporting ATPase 1, endoplasmic reticulum-type (ECA1)

A. thaliana

2.00E-14

83%

NP_172259.1

3.1

 

66_1

177

Heavy metal ATPase

P. trichocarpa

4.00E-15

78%

XP_002303580.1

+

 

97_1

201

Proton pump-interactor 1 (PPI1, AT4G27500)

A. thaliana

3.00E-12

56%

BAH19433.1

+

 

53_1

340

ABC transporter G family member 40

A. thaliana

9.00E-35

67%

NP_173005.1

+

 

210_1

247

Copper transporter

P. trichocarpa

2.00E-15

64%

XP_002298334.1

+

 

178_1

297

Cyclic nucleotide-gated ion channel 1

A. thaliana

0.002

50%

NP_200125.1

+

 

49_3

252

Vacuolar-sorting receptor 3

A. thaliana

1.00E-40

77%

NP_179081.1

+

 

137_1

249

Vacuolar protein-sorting-associated protein 37-1

A. thaliana

0.48

63%

NP_190880.1

+

 

63_1

357

Vesicle-associated membrane protein-associated protein

M. truncatula

3.00E-05

70%

XP_003608721.1

+

 

51_1

316

SecY protein transport family protein

A. thaliana

2.00E-51

87%

NP_174225.2

+

 

250_2

263

Fat-free-like protein

M. truncatula

1.00E-32

82%

XP_003591407.1

+

 

79_2

237

Non-specific lipid-transfer protein

M. truncatula

1.00E-04

53%

XP_003610781.1

2.5

 

67_3

268

Sieve element occlusion protein 1

Nicotiana tabacum

6.00E-23

65%

AFN06072.1

+

+

89_2

230

AT5g24810/F6A4_20

A. thaliana

1.00E-04

75%

AAK82520.1

0

 

6_1

368

Protein transport protein SEC61 gamma subunit

Zea mays

2.00E-04

92%

NP_001150911.1

0

 

249_2

370

Putative beta-subunit of adaptor protein complex 3, PAT2

A. thaliana

2.00E-15

42%

NP_567022.1

0

0

61_1

228

Sugar transporter ERD6-like 5

A. thaliana

7.00E-15

57%

NP_564665.3

 

0

179_2

225

Metal tolerance protein

P. trichocarpa

6.00E-26

70%

XP_002312066.1

 

0

51_4

221

Kinesin-related protein

M. truncatula

0.38

35%

XP_003612133.1

 

+

36_2

319

Bidirectional sugar transporter SWEET7

A. thaliana

5.00E-08

60%

NP_567366.1

 

+

Cell wall and cytoskeleton modification

      

49_4

210

Caffeic acid 3-O-methyltransferase

M. truncatula

9.00E-23

68%

XP_003602597.1

 

0

125_2

145

Caffeic acid O-methyltransferase 3

Gossypium hirsutum

2.00E-05

55%

ACZ06242.1

0.2

 

10_3

274

Chitinase

Citrus sinensis

3.00E-54

94%

CAA93847.1

0

0

249_4

217

Cellulose synthase

Populus tremuloides

1.00E-20

83%

AAO25581.1

0.2

 

33_3

249

O-methyltransferase 1

A. thaliana

1.00E-33

74%

AAB96879.1

+

 

241_1

326

LIM domain-containing protein

A. thaliana

1.00E-64

94%

NP_195404.6

+

 

124_2

385

UDP-glucose flavonoid 7-O-glucosyltransferase

M. truncatula

4.00E-12

73%

XP_003629628.1

+

 

3_3

225

UDP-glucosyltransferase family 1 protein

Citrus sinensis

6.00E-36

96%

ACS87993.1

+

 

70_4

176

Limonoid UDP-glucosyltransferase

Citrus sinensis

2.00E-26

98%

ACD14147.1

+

 

63_2

228

Putative glucosyltransferase

A. thaliana

2.00E-20

63%

AAM61749.1

3.9

 

Other and unknown processes

      

229_4

181

Phytoene synthase

Citrus unshiu

1.00E-26

95%

AAF33237.1

0

 

231_1

316

Strictosidine synthase family protein

A. thaliana

2.00E-28

68%

NP_191262.2

0.4

2.6

72_3

194

Calcium-dependent lipid-binding domain-containing protein

A. thaliana

8.00E-19

78%

NP_564576.1

+

+

135_2

335

Oxidoreductase family protein

Arabidopsis lyrata subsp.lyrata

3.00E-40

65%

XP_002874584.1

 

0

5_2

262

Alkaline-phosphatase-like protein

A. thaliana

7.00E-44

89%

NP_194697.1

0

 

10_5

147

Protein tolB

M. truncatula

2.00E-06

55%

XP_003630471.1

+

 

231_2

285

Cofactor of nitrate reductase and xanthine dehydrogenase 3

A. thaliana

5.00E-35

83%

NP_171636.1

 

3.9

51_3

256

Neutral/alkaline non-lysosomal ceramidase

A. thaliana

3.00E-14

71%

NP_172218.1

 

0.5

229_2

207

PQ-loop repeat family protein

A. lyrata subsp. lyrata

2.00E-22

74%

XP_002870687.1

+

 

71_4

206

Metallo-beta-lactamase domain-containing protein

A. thaliana

9.00E-19

66%

NP_564334.1

+

 

117_3

214

Oligosaccharyltransferase complex/magnesium transporter family protein

A. thaliana

5.00E-17

60%

NP_176372.1

0

 

146_3

337

Mitochondrial protein, putative

M. truncatula

1.00E-24

74%

XP_003588355.1

0.4

0.3

20_1

287

AT1G16560

A. thaliana

2.00E-42

74%

BAH19866.1

+

 

117_1

338

At2g27385

A. lyrata subsp. lyrata

8.00E-15

91%

XP_002880912.1

0.2

 

173_1

290

SOUL heme-binding protein

A. thaliana

1.00E-40

90%

NP_197514.2

0

 

122_1

166

AT-LS1 product

A. thaliana

2.00E-21

86%

CAA41632.1

0

 

77_2

231

Alpha/beta-hydrolase family protein

A. thaliana

3.00E-36

94%

NP_196943.1

1.8

 

99_3

265

Conserved hypothetical protein

Ricinus communis

0.069

44%

XP_002511001.1

0

+

229_1

271

Conserved hypothetical protein

R. communis

2.00E-09

90%

XP_002532497.1

0

 

70_1

267

Predicted protein

Micromonas pusilla CCMP1545

3.00E-49

94%

XP_003064993.1

+

+

123_1

364

PREDICTED: exportin-4-like

Vitis vinifera

9.00E-47

81%

XP_002266608.2

+

 

23_1

308

Predicted protein

P. trichocarpa

0.062

34%

XP_002317402.1

+

 

232_2

246

Predicted protein

P. trichocarpa

5.00E-12

48%

XP_002319603.1

0.1

 

237_1

265

PREDICTED: uncharacterized protein LOC100776190

Glycine max

5.8

36%

XP_003524378.1

0

 

242_1

245

PREDICTED: uncharacterized protein LOC100789831

G. max

2.00E-07

60%

XP_003520084.1

+

 

69_2

244

PREDICTED: uncharacterized protein LOC100853355

Vitis vinifera

0.008

49%

XP_003634177.1

0

 

130_2

210

Uncharacterized protein

A. thaliana

6.00E-21

79%

NP_176682.1

 

1.7

252_1

301

Uncharacterized protein

A. thaliana

8.00E-16

56%

NP_001031080.1

0

 

97_2

163

Unnamed protein product

Vitis vinifera

0.079

42%

CBI21631.3

0

7.0

91_2

270

Hypothetical protein

A. thaliana

0.19

54%

AAD21766.1

 

3.9

9_1

255

Hypothetical protein MTR_5g051130

M. truncatula

1.00E-11

100%

XP_003614394.1

+

 
  1. Expression ratio: 0 means TDFs were only detected in control leaves; + means TDF were only detected in the B-toxic leaves. #: Number; BT: B-toxicity; CK: Control; CG: C. grandis; CS: C. sinensis. Functional classification was performed based on the information reported for each sequence by The Gene Ontology (http://amigo1.geneontology.org/cgi-bin/amigo/blast.cgi) and Uniprot (http://www.uniprot.org/). Relative expression ratio was obtained by gel image analysis, which was performed with PDQuest version 8.0.1 (Bio-Rad, Hercules, CA, USA).