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Table 2 Spots differentially abundant for either time or between challenge and control birds. The p-values for each variable: time and litter are given for each spot, and a list of proteins identified by mass spectrometry, together with theoretical molecular weights, isoelectric points, accession number and Mascot score

From: The effect of microbial challenge on the intestinal proteome of broiler chickens

Spot

Protein

P- value

Litter

P-value

Time

Accession

Theoretical MW (kDa)/ Pi

Mascot score

Spots that showed significant differential abundance over time

190

Actin cytoplasmic type 5

Actin, aortic smooth muscle

0.079

0.003

gi|56119084

gi|71895043

42.2/5.3

42.35.23

629

559

198

Actin, cytoplasmic type 5

Actin, alpha skeletal muscle

0.083

0.003

gi|56119084

gi|71894831

42.1/5.3

42.3/5.23

512

471

512

Heat shock protein HSP 90-alphad

Heat shock cognate protein HSP 90beta

0.113

0.006

gi|157954047

gi|47604960

84.4/5.01

83.7/4.95

268

112

503

Apolipoprotein A-I

Alpha-tropomyosin 2

0.161

0.006

gi|211159

27465053

30.6/5.58

32.8/4.65

589

168

194

Dermcidin preproprotein [Homo sapiens] actin, cytoplasmic type 5

0.275

0.007

gi|16751921

gi|56119084

11.3/6.08

42.1/5.3

108

98

106

Actin, aortic smooth muscle

Actin, cytoplasmic type 5

Adenosine deaminase

Alpha-enolase

0.260

0.008

gi|71895043

gi|56119084

gi|57529377

gi|46048768

42.3/5.23

42.1/5.3

41.0/5.82

47.66.17

610

539

364

113

182

Actin, cytoplasmic type 5

Actin, aortic smooth muscle

0.468

0.008

gi|56119084

gi|71895043

42.1/5.3

42.3/5.23

611

446

99

Hypothetical protein RCJMB04_22i13 (succinyl-CoA ligase [ADP-forming] subunit beta, mitochondrial-like

Beta-actin

0.211

0.009

gi|60099069

gi|63018

50.3/6.92

42.0/5.29

694

287

553

Heat shock protein 70

Heat shock cognate 71 kDa protein

0.120

0.011

gi|30962014 gi|45384370

70.0/5.66

71.0/5.47

373

304

242

Actin-related protein 2/3 complex subunit 5

0.126

0.012

gi|71896007

16.5/5.43

337

142

PREDICTED: protein SEC13 homolog

0.162

0.012

gi|363738753

35.6/5.07

151

46

Desmin

Vimentin

0.301

0.013

gi|2959450 gi|14326309

51.6/5.30

53.1/5.09

2155

209

555

78 kDa glucose-regulated protein precursor

0.068

0.013

gi|45382769

72.0/5.12

1947

153

PREDICTED: inorganic pyrophosphatase

Beta-actin

Smooth muscle gamma actin

0.160

0.013

gi|118092623

gi|63018

gi|2967678

33.1/5.53

42.0/5.29

42.1/5.31

526

205

198

13

Plastin-2

Actin, alpha skeletal muscle

0.300

0.017

gi|56605886

gi|71894831

70.2/ 5.16

42.3/5.23

936

190

130

Actin, cytoplasmic type 5

Actin, aortic smooth muscle

0.310

0.018

gi|56119084

gi|71895043

42.1/5.3

42.3/5.23

879

816

138

PREDICTED: pyridoxal kinase

0.376

0.023

gi|363728772

35.1/5.93

387

128

Actin, cytoplasmic type 5

Actin, aortic smooth muscle

0.300

0.031

gi|56119084

gi|71895043

42.1/5.3

42.3/5.23

806

744

557

Tubulin beta-7 chain

Tubulin beta-3 chain

Tubulin beta-4 chain

Tubulin beta-2 chain

0.359

0.036

gi|45384338

gi|153792017

gi|71896203 gi|52138699

50.0/4.78

50.2/4.78

50.8/4.86

50.3/4.78

614

470

416

399

166

Coatomer subunit delta

Annexin A6

0.370

0.042

gi|118405190 gi|45382029

57.5/5.8

75.6/5.42

281

163

58

Alpha-enolase

Hypothetical protein RCJMB04_24e12

0.440

0.042

gi|46048768 gi|53135040

47.6/6.17

23.8/6.97

490

305

146

Beta-actin

Smooth muscle gamma actin

0.068

0.042

gi|63018 gi|2967678

42.0/5.29

42.2/5.31

230

174

Spots that showed significant differential abundance between challenged and control birds

525

Villin-1

0.042

0.050

gi|45382125

92.8/5.88

87

526

Villin-1

0.046

0.065

gi|45382125

92.8/5.88

513

135

Actin, cytoplasmic type 5

PREDICTED: actin, alpha skeletal muscle B isoform 2

0.049

0.118

gi|56119084 gi|50803534

42.1/5.3

42.3/5.16

364

300

17

T-complex protein 1 subunit eta

0.048

0.239

gi|71895883

60.8/5.96

716

157

Actin, aortic smooth muscle

Proliferating cell nuclear antigen

0.046

0.330

gi|71895043 gi|45383776

42.3/5.23

29.1/4.6

618

593

104

Adenosine deaminase

Actin, aortic smooth muscle

0.042

0.358

gi|57529377 gi|71895043

41.0/5.82

42.3/5.23

620

329