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Table 2 Differential protein species in paper mulberry leaves during cold treatment identified by MALDI-TOF/TOF MS

From: The cold responsive mechanism of the paper mulberry: decreased photosynthesis capacity and increased starch accumulation

Spot no.

Expression pattern 0, 6, 12, 24, 48, 72 (h)

Accession no.

Protein name

Organism

La

Theor. Mr (kDa)/pI

Exp. Mr (kDa)/pI

Score

SCb(%)

NPc

Anti-oxidation and defense

6

BAD27393

Glutathione reductase

Zinnia violacea

CP

53.4/6.49

53/5.98

127

4

1

21

EXC33221

L-ascorbate peroxidase

Morus notabilis

CP

27.4/5.43

27/6.16

242

11

3

28

XP_004501840

Methionine sulfoxide reductase

Cicer arietinum

-

22.3/5.38

25/6.69

306

22

4

34

EXB55011

Peroxiredoxin

Morus notabilis

-

22.6/8.91

20/6.33

117

5

1

35

ABK22037

Peroxiredoxin

Picea sitchensis

C

25.7/9.11

16/4.67

187

12

2

38

EXB51369

Thioredoxin M4

Morus notabilis

C

20.2/9.14

14/4.50

135

10

4

Calvin cycle

10

EXC10712

Rubisco activase

Morus notabilis

C

52.1/6.39

43/5.12

476

14

3

2

AAN63283

Rubisco LSU

Broussonetia papyrifera

C

51.5/5.83

65/4.91

264

12

2

4

AAN63283

Rubisco LSU

Broussonetia papyrifera

C

51.5/5.83

59/4.89

333

15

3

7

AAN63283

Rubisco LSU

Broussonetia papyrifera

C

51.5/5.83

51/6.41

598

20

8

3

P34794

RuBisCO LSU-binding protein

Brassica napus

C

61.7/5.14

61/4.85

144

4

1

Citrate cycle

8

AAB39989

Fumarase

Arabidopsis thaliana

M

53.4/7.98

50/6.99

239

8

3

15

EXC01795

Malate dehydrogenase

Morus notabilis

M

35.9/6.11

37/6.33

279

18

4

37

EXC35650

Nucleoside diphosphate kinase group1

Morus notabilis

-

16.3/6.84

15/7.00

338

32

4

16

EXB51441

Solute inorganic pyrophosphatase

Morus notabilis

-

33.4/6.61

33/5.01

380

22

3

Glycolysis

5

XP_002267091

Enolase

Vitis vinifera

CP

48.3/6.17

58/6.06

230

8

1

12

EXC04020

GAPDH

Morus notabilis

CP

38.4/7.68

39/7.0

179

12

3

Photosynthesis

20

EXC20796

PsbP domain-containing protein 5

Morus notabilis

C

30.5/7.72

28/6.94

162

11

2

33

XP_002300858

oxygen-evolving complex protein 2

Populus trichocarpa

C

28.3/7.68

19/5.63

105

10

1

22

EXB93720

Plastid lipid-associated protein 6

Morus notabilis

C

30.7/8.53

27/4.96

175

18

1

24

EXB93720

Plastid lipid-associated protein 6

Morus notabilis

C

30.7/8.53

26/5.16

155

18

2

27

EXC34900

Chlorophyll a/b binding protein

Morus notabilis

C

28.5/5.46

25/4.79

92

9

1

30

EXB80094

Chlorophyll a/b binding protein

Morus notabilis

C

26.7/6.10

21/5.56

489

15

5

Protein processing

1

XP_007033710

heat shock protein 70 isoform 1

Theobroma cacao

C

71.6/5.67

70/4.88

1094

18

7

18

EXB97663

Heat shock protein 90

Morus notabilis

-

83.7/4.82

30/4.54

780

11

7

31

ACG38358

Prefoldin subunit 2

Zea mays

-

16.3/5.84

20/5.28

136

19

1

13

XP_007223366

Proteasome subunit

Prunus persica

-

40.4/8.10

37/5.00

227

13

3

25

EXC32303

Proteasome subunit

Morus notabilis

-

33.7/8.83

26/6.20

713

32

8

9

EXC10716

Protein TIC 62

Morus notabilis

C

51.1/7.68

43/4.90

153-

3

1

Transcription and Translation

23

EXB94487

Elongation factor Tu

Morus notabilis

C

52.2/6.30

38/5.09

108

3

1

11

EXB94487

Elongation factor Tu

Morus notabilis

C

52.2/6.30

39/5.12

397

15

4

14

EXB39373

mRNA-binding protein

Morus notabilis

C

44.5/7.11

38/6.41

292

12

4

19

EXC31412

Ribonucleoprotein

Morus notabilis

C

38.1/4.68

29/4.52

118

9

1

36

AEW08900

RNA binding protein

Pinus taeda

C

5.3/4.89

15/4.93

49

19

1

  1. aSubcellular location; C: chloroplast; CP: cytoplasm; M: mitochondria; −: no site information
  2. bProtein sequence coverage
  3. cNumber of matched peptides with significant scores identified by MALDI-TOF/TOF MS