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Table 1 Selected proteins differentially expressed during X. a. pv. citri biofilm formation

From: Insights into xanthomonas axonopodis pv. citri biofilm through proteomics

Spot no.

Protein name

MOWSE score

Accession no.

Species

Gene ID in Xaca

Predicted MW/pI

Observed MW/pI

Peptide match/

coverage

Fold changeb

01 Metabolism

01.02 Nitrogen, sulfur and selenium metabolism

01.02.02 Nitrogen metabolism

60

NAD(PH) nitroreductase

111

Y587_XANC5

X. c. pv. vesicatoria

XAC0554

21.0/5.83

20.0/4.6

7/31%

−5.6

01.05 C-compounds and carbohydrate metabolism

220

UDP-glucose dehydrogenase

125

Q8PGN5_XANAC

X. a. pv. citri

XAC3581

43.1/6.18

68.0/6.7

13/25%

+2.6

01.06 Lipid, fatty acid and isoprenoid metabolism

01.06.02 Membrane lipid metabolism

609

Outer membrane protein (FadL)

1070

Q8PRE4_XANAC

X. a. pv. citri

XAC0019

47.3/5.18

54.0/6.0

54/40%

+2.6

01.20 Secondary metabolism

533

Coproporphyinogen-III oxidase, aerobic

191

HEM6_XANAC

X. a. pv. citri

XAC4109

34.6/5.81

48.0/5.4

11/30%

−1.5

434

Short chain dehydrogenase

141

Q8PME5_XANAC

X. a. pv. citri

XAC1484

26.0/5.97

29.0/4.5

14/34%

−5.1

02 Energy

02.04 Glyoxylate cycle

331

KDPG and KHG aldolase

163

Q8PKU5_XANAC

X. a. pv. citri

XAC2067

22.9/5.24

23.0/4.8

7/31%

−2.0

02.10 Tricarboxylic-acid pathway

98

Malate dehydrogenase

905

MDH_XANAC

X. a. pv. citri

XAC1006

34.9/5.37

48.0/4.3

46/51%

+1.5

121

Dihydrolipoamide S-succinyltransferase

136

Q3BVA5_XANC5

X. c. pv. vesicatoria

XAC1534

42.4/5.87

69.0/6.5

9/10%

+1.8

235

Citrate synthase

218

Q3BPS8_XANC5

X. c. pv. vesicatoria

XAC3388

47.9/5.97

68.0/6.6

8/20%

+2.6

591

Succinate dehydrogenase flavoprotein subunit

206

Q3BTD_XANC5

X. c. pv. vesicatoria

XAC2077

65.8/5.89

55.0/4.4

18/22%

−7.4

02.45 Energy conversion and regeneration

02.45.15 Energy generation

76

ATP synthase beta chain

72

Q2P7Q4_XANOM

X. o. pv. oryzae

XAC3649

51.0/5.18

32.0/6.1

3/8%

−10.7

442

Phosphoglycerate kinase

688

AAM38190

X. a. pv. citri

XAC3347

40.9/4.91

45.0/6.0

47/43%

−1.9

422

NADH-ubiquinone oxidoreductase

40

Q3BRN4_XANC5

X. c. pv. vesicatoria

XAC2699

48.8/6.32

33.0/4.4

8/18%

−3.9

11 Transcription

11.04 RNA processing

153

Polynucleotide phosphorylase

137

PNP_XANAC

X. a. pv. citri

XAC2683

75.5/5.47

28.0/5.9

6/3%

−1.5

12 Protein synthesis

12.01 Ribosome biogenesis

79

50S ribosomal protein L4

133

AAM35856

X. a. pv. citri

XAC0973

21.8/9.68

14.0/5.9

4/15%

+5.1

12.04 Translation

26

Elongation factor Tu

294

Q3BWY6_XANC5

X. c. pv. vesicatoria

XAC0957

43.3/5.45

67.0/6.2

25/24%

+2.2

173

Elongation factor Tu

329

Q3BWY6_XANC5

X. c. pv. vesicatoria

XAC0957

43.3/5.45

48.0/5.9

20/42%

+4.4

14 Protein fate (folding, modification and destination)

14.01 Protein folding and stabilization

416

Chaperone protein DnaK

98

DNAK_XANOM

X. o. pv. oryzae

XAC1522

68.9/5.02

66.0/6.3

10/12%

+2.9

20 Cellular transport, transport facilities and transport routes

20.03 Transport facilities

151

Regulator of pathogenicity factors

104

Q8PJM6_XANAC

X. a. pv. citri

XAC2504

41.3/5.98

41.0/4.3

8/21%

+3.2

429

Regulator of pathogenecity factors

729

Q8PJM6_XANAC

X. a. pv. citri

XAC2504

41.3/5.98

47.0/4.5

55/61%

+2.7

486

Regulator of pathogenecity factors

231

Q8PJM6_XANAC

X. a. pv. citri

XAC2504

41.3/5.98

48.0/5.2

16/30%

+2.2

526

*Regulator of pathogenecity factors

183

Q3BS50_XANC5

X. c. pv. vesicatoria

XAC2504

46.4/7.10

48.0/5.3

16/21%

+1.8

555

*Regulator of pathogenecity factors

148

Q3BS50_XANC5

X. c. pv. vesicatoria

XAC2504

46.4/7.10

42.0/4.9

11/12%

+2.8

30 Cellular communication/Signal transduction mechanism

103

OmpA-related protein

371

Q8PER6_XANAC

X. a. pv. citri

XAC4274

110.1/5.29

75.0/5.9

28/16%

+2.9

1

TonB-dependent receptor

1406

Q8PI48_XANAC

X. a. pv. citri

XAC3050

105.8/4.76

42.0/4.1

89/34%

+2.9

2

TonB-dependent receptor

1441

Q8PI48_XANAC

X. a. pv. citri

XAC3050

105.8/4.76

58.0/6.7

85/35%

+2.9

74

TonB-dependent receptor

597

Q8PI48_XANAC

X. a. pv. citri

XAC3050

105.8/4.76

20.0/4.7

27/15%

+3.4

219

TonB-dependent receptor

356

Q8PI48_XANAC

X. a. pv. citri

XAC3050

105.8/4.76

68.0/6.4

23/23%

+2.2

466

TonB-dependent receptor-precursor

113

Q8PI27_XANAC

X. a. pv. citri

XAC3071

97.3/5.14

54.0/6.8

7/4%

+3.6

55

*TonB-dependent receptor

166

Q2HPF0_9XANT

X. a. pv. glycines

XAC3489

88.9/4.93

58.0/6.4

8/9%

+2.8

168

TonB-dependent receptor

636

Q8PGX3_XANAC

X. a. pv. citri

XAC3489

89.0/5.00

55.0/6.0

38/29%

+4.9

38

*TonB-dependent receptor

594

Q8PHT1_XANAC

X. a. pv. citri

XAC3168

87.3/5.20

48.0/6.0

44/21%

−1.8

15

TonB-dependent receptor

229

Q8PH16_XANAC

X. a. pv. citri

XAC3444

103.2/4.79

66.0/6.4

20/14%

−3.5

30.01.05.01 Protein kinase

49

Adenylate kinase

93

Q3BPM9_XANC5

X. c. pv. vesicatoria

XAC3437

19.9/5.33

18.0/5.9

8/24%

−2.4

420

Histidine kinase- 2 component sensor system

40

Q3BTZ4_XANC5

X. c. pv. vesicatoria

XAC1991

45.9/5.33

48.0/5.5

10/13%

−2.2

34 Interaction with the environment

86

YapH protein

51

Q8PKM0_XANAC

X. a. pv. citri

XAC2151

306.9/4.15

68.0/5.5

1/0%

+4.1

42 Biogenesis of cellular components

42.27 Extracellular/secretion protein

432

OmpW family outer memb. prot. precursor

151

Q3BP00_XANC5

X. c. pv. vesicatoria

XAC3664

23.8/4.97

17.0/6.1

5/13%

+2.2

  1. a Gene accession number in X. axonopodis pv. citri genome of the identified protein.
  2. b Fold change in biofilm compared to planktonic cultures.
  3. * Protein spots 55 and 38 were previously identified as “outer membrane active sucrose transporter” and “ferric enterobactin receptor” are now classified as TonB-dependent receptor, while protein spots 526 and 555 were previously identified as “carbohydrate selective porin” and is now classified as Regulator of pathogenecity factors.