Table 2. Proteins from WT and YX-1 anthers of wolfberry analyzed by DIGE and MALDI-TOF/TOF, and identified by searching against NCBInr and Viridiplantae EST databases.
aSpot No. | bAcc. No. | cProtein name (Species) | dMr/pI | eScore | fS.C. (%) | gS.V.R. (YX-1/WT) | h p-value |
Photosynthesis-related | |||||||
1 | gi|170320 | ribulose-1,5-bisphosphate carboxylase (NS) | 10.3/5.37 | 100 | 80 | −1.57 | 0.0083 |
2 | gi|445628 | RuBisCO activase(NT) | 42.9/5.52 | 100 | 85 | −2.76 | 0.0013 |
3 | gi|230922 | unactivated form Of ribulose-1,5- bisphosphatecarboxylase(NT) | 14.7/5.19 | 100 | 80 | −2.20 | 0.0048 |
4 | gi|170320 | ribulose-1,5-bisphosphate carboxylase (NS) | 10.3/5.37 | 100 | 77 | −1.70 | 0.00015 |
Carbohydrate and energy metabolism | |||||||
5 | gi|1781348 | homologous to plastidic aldolases (ST) | 38.6/5.89 | 100 | 17 | −1.65 | 0.0011 |
6 | gi|4539543 | glyceraldehyde-3-phosphate dehydrogenase (NT) | 36.8/7.7 | 100 | 42 | −2.52 | 0.00024 |
7 | gi|4539543 | glyceraldehyde-3-phosphate dehydrogenase (NT) | 36.8/7.7 | 100 | 42 | −2.38 | 0.0066 |
8 | gi|21592495 | fructokinase-like protein (AT) | 35.2/5.12 | 100 | 27 | −2.65 | 0.0027 |
9 | gi|21388550 | malate dehydrogenase(ST) | 36.4/8.48 | 100 | 22 | −1.88 | 0.0076 |
10 | gi|48209968 | ATP synthase D chain, mitochondrial (ST) | 29.8/5.34 | 100 | 60 | −2.61 | 0.0011 |
11 | gi|9652289 | putative ATP synthase subunit E (SL) | 27.4/6.63 | 100 | 47 | −2.73 | 0.00024 |
12 | gi|56784991 | putative ATP synthase beta subunit (OS) | 45.9/5.33 | 100 | 22 | −1.72 | 0.00078 |
Nucleic acid metabolism | |||||||
13 | gi|8272416 | nucleoside diphosphate kinase 3(BR) | 21.5/7.98 | 100 | 36 | −1.83 | 0.0012 |
Amino acid metabolism | |||||||
14 | gi|28393681 | putative glutamine synthetase(AT) | 38.9/5.59 | 97.2 | 14 | −2.97 | 0.00023 |
15 | gi|18414289 | ARD(AT) | 23.5/4.99 | 99.9 | 14 | −2.48 | 0.0033 |
16 | gi|4049354 | glycine hydroxymethyltransferase-like protein (AT) | 50.9/8.13 | 100 | 22 | −2.67 | 0.0052 |
Protein metabolism | |||||||
17 | gi|19851 | cysteine protease (NT) | 40.8/6.0 | 96.2 | 26 | −2.42 | 0.0017 |
18 | gi|415833 | 5B protein (SL) | 11.6/8.16 | 100 | 29 | −1.95 | 0.00005 |
19 | gi|37805883 | putative S-phase Kinase association Protein 1(SKP1) (OS) | 35.5/5.57 | 98.6 | 9 | 2.42 | 0.0039 |
20 | gi|18424049 | 26S proteasome regulatory subunit (AT) | 24.4/5.08 | 99.5 | 27 | 2.59 | 0.0054 |
21 | gi|30693656 | ubiquitin-protein ligase (AT) | 16.8/6.2 | 100 | 46 | −2.89 | 0.0024 |
*22 | gi|309372357 | NT2C-EST-0809 (NT) similar to aspartic protease gi|226503984(ZM) | 18.7/6.64 | 99.9 | 10 | 2.23 | 0.011 |
23 | gi|20137686 | cysteine protease inhibitor 5(ST) | 17.1/8.63 | 98 | 16 | 2.10 | 0.0052 |
24 | gi|30692346 | ribosomal protein S1(AT) | 45.3/5.13 | 100 | 19 | −2.88 | 0.00026 |
25 | gi|1848212 | protein disulfide-isomerase (NT) | 40.1/5.99 | 100 | 14 | 2.74 | 0.0089 |
Stress related | |||||||
26 | gi|34809902 | ascorbate peroxidase(NT) | 32.3/5.96 | 98.7 | 15 | −2.76 | 0.0094 |
27 | gi|34809902 | ascorbate peroxidase(NT) | 32.3/5.96 | 100 | 26 | −1.53 | 0.0048 |
28 | gi|21039134 | ascorbate peroxidase (SL) | 42.4/8.65 | 100 | 26 | −2.44 | 0.0021 |
29 | gi|55296784 | putative peroxidase (OS) | 35.4/6.43 | 95.1 | 25 | −2.34 | 0.002 |
Transcription factor | |||||||
30 | gi|15220876 | putative transcription factor BTF3 (AT) | 17.9/6.62 | 100 | 30 | −2.17 | 0.00017 |
Signaling-related | |||||||
31 | gi|9979177 | translationally-controlled tumor protein(NT) | 18.9/4.54 | 98.9 | 20 | 2.65 | 0.000038 |
32 | gi|75319566 | calmodulin-like protein 1(OS) | 21.1/4.75 | 100 | 31 | −1.77 | 0.006 |
33 | gi|15233402 | putative calcium-binding protein (AT) | 21.2/4.59 | 100 | 40 | −1.79 | 0.000012 |
34 | gi|3766535 | 14-3-3 protein (ST) | 29.4/4.78 | 100 | 58 | −1.99 | 0.00035 |
Anther development | |||||||
35 | gi|4588012 | putative callose synthase catalytic subunit (GH) | 21.9/8.42 | 100 | 27 | −2.43 | 0.00067 |
36 | gi|2326772 | chalcone synthase -like protein(NS) | 40.7/5.59 | 100 | 30 | −2.59 | 0.0011 |
Flavonoid synthesis | |||||||
37 | gi|15217605 | chalcone synthase family protein (AT) | 43.9/6.01 | 100 | 20 | −2.78 | 0.0047 |
Fatty acid synthesis | |||||||
38 | gi|2204236 | enoyl-ACP reductase(NT) | 33.9/6.41 | 99.9 | 8 | −2.32 | 0.0003 |
Unknown proteins | |||||||
39 | gi|115474835 | Os08g0154300 (OS) | 43.1/5.18 | 100 | 18 | −1.87 | 0.0016 |
40 | gi|2673909 | hypothetical protein (AT) | 13.1/4.59 | 99 | 18 | 2.24 | 0.00073 |
41 | gi|54291158 | hypothetical protein (OS) | 14.0/7.7 | 99.8 | 21 | 2.43 | 0.0015 |
Others | |||||||
42 | gi|56562181 | formate dehydrogenase (SL) | 42.4/6.87 | 100 | 30 | 2.54 | 0.00022 |
43 | gi|15228869 | copper chaperone (AT) | 13.1/4.91 | 99.8 | 30 | −2.96 | 0.0061 |
44 | gi|15228869 | copper chaperone (AT) | 13.1/4.91 | 99.9 | 26 | −1.50 | 0.0032 |
45 | gi|30580343 | caffeoyl-CoA O-methyltransferase 6(NT) | 27.9/5.3 | 100 | 32 | 2.33 | 0.00022 |
Spot number in 2-DE gel, as shown in Fig. 2.
Accession number in NCBInr/EST database.
Protein names and species from the NCBInr/EST database. NT, Nicotiana tabacum; NS, Nicotiana sylvestris; AT, Arabidopsis thaliana; SL, Solanum lycopersicum; ST, Solanum tuberosum; BR, Brassica rapa; ZM, Zea mays; OS, Oryza sativa.GH, Gossypium hirsutum.
Theoretical molecular weight and pI of the identified proteins.
Mascot protein score for ions complemented by the percentage of the confidence index (C.I.).
Sequence Coverage.
Spot volume ratios are the average for each spot from three replicate gels.
Protein spots with a significant change in abundance (1.5-fold or above) between the WT and YX-1, and a P-value of≤0.05 were considered statistically significant.
Spots from EST database.
Unidentified differently spots not listed.