Table 1. P. brasiliensis identified proteins with increased expression during iron starvation.
Spot1 | Time2 | GenBank gi3 | Protein identification | PMF score | MS/MS score | MW4 | pI 5 | ≥fold change6 |
METABOLISM | ||||||||
Nucleotide metabolism | ||||||||
1 | 24 h | gi|226280544 | Adenosine kinase | 193 | 49 | 36.6/41.3 | 5.4/5.5 | 1.3 |
2 | 24 h | gi|226283962 | GMP synthase | 133 | - | 60.3/55.2 | 6.2/7.4 | 3.6 |
C-compound and carbohydrate metabolism | ||||||||
3 | 6 h | gi|295664927 | ATP-citrate-lyase | 159 | 303 | 52.8/46.6 | 5.9/6.9 | 1.2 |
Amino acid, nitrogen and sulfur metabolism | ||||||||
4 | 24 h | gi|226280080 | 2-nitropropane dioxygenase | 163 | 107 | 38.8/41.9 | 5.4/5.1 | ** |
5 | 24 h | gi|27368050 | Formamidase | 108 | 100 | 46.1/46.1 | 6.1/7.1 | 1.3 |
6 | 24 h | gi|226284927 | Hydroxyacylglutathione hydrolase | 66 | 86 | 28.9/33.1 | 6.1/7.1 | 1.7 |
7 | 24 h | gi|226282479 | L-threonine 3-dehydrogenase | 105 | 129 | 38.0/40.3 | 5.8/6.4 | 1.9 |
8 | 24 h | gi|226293104 | Spermidine synthase | 93 | 32 | 33.6/36.0 | 5.3/5.1 | 1.6 |
Lipid, fatty-acid and isoprenoid metabolism | ||||||||
9 | 24 h | gi|226279101 | Carbonic anhydrase | 90 | 104 | 32.6/27.4 | 9.1/8.2 | 1.8 |
Phosphate metabolism | ||||||||
10 | 6 h | gi|295672504 | Inorganic pyrophosphatase | 141 | 67 | 33.3/38.0 | 5.1/4.8 | 1.3 |
ENERGY | ||||||||
Electron transport and membrane-associated energy conservation | ||||||||
11 | 24 h | gi|226282053 | ATP synthase subunit beta | 199 | 118 | 55.1/33.3 | 5.2/5.0 | 2.5 |
Glycolysis and gluconeogenesis | ||||||||
12 | 24 h | gi|146762537 | Enolase | 110 | 173 | 47.4/63.4 | 5.6/6.2 | ** |
13 | 24 h | gi|29826036 | Fructose 1,6-biphosphate aldolase | 163 | 174 | 39.7/41.1 | 6.1/7.1 | 2.6 |
14 | 6 h | PAAG_01995 | Fructose 1,6-biphosphate aldolase | 77 | - | 39.6/40.3 | 6.0/6.8 | 1.4 |
15 | 24 h | gi|226279559 | Glucokinase | 113 | 49 | 55.7/52.2 | 5.3/5.0 | 2.8 |
16 | 24 h | gi|226285327 | Phosphoglycerate kinase | 108 | 72 | 45.3/43.4 | 6.4/7.3 | 1.6 |
17 | 24 h | gi|295669690 | Phosphoglycerate kinase | 149 | 72 | 45.3/44.1 | 6.4/7.3 | 1.8 |
18 | 6 h | gi|295669690 | Phosphoglycerate kinase | 82 | 53 | 45.3/42.9 | 7.8/7.7 | 1.2 |
19 | 6 h | gi|295670663 | Triosephosphate isomerase (Tpi) | 185 | 87 | 27.1/30.3 | 5.3/5.6 | 1.4 |
Tricarboxylic-acid pathway | ||||||||
20 | 24 h | gi|295673931 | Pyruvate dehydrogenase protein X component | 110 | 41 | 52.7/50.6 | 6.4/5.4 | 1.5 |
21 | 24 h | gi|226280161 | Pyruvate dehydrogenase protein X component | 100 | 131 | 52.7/50.3 | 6.4/5.3 | 1.4 |
CELL CYCLE AND DNA PROCESSING | ||||||||
22 | 24 h | gi|225683196 | Tubulin alpha-2 chain | 105 | - | 50.5/52.4 | 5.0/4.7 | 1.2 |
23 | 24 h | gi|225683196 | Tubulin alpha-2 chain | 117 | 57 | 50.5/53.2 | 5.0/4.9 | ** |
24 | 24 h | gi|226285902 | Tubulin beta chain | 146 | 65 | 50.3/51.1 | 4.8/4.5 | 1.8 |
25 | 24 h | gi|154705473 | Septin-1 | 123 | 87 | 44.1/44.3 | 5.2/5.1 | 2.0 |
26 | 24 h | gi|226294796 | Actin | 78 | 59 | 38.1/43.5 | 7.1/5.7 | 1.6 |
27 | 24 h | gi|38569374 | 14-3-3-like protein 2 | 120 | 84 | 29.7/37.1 | 4.6/4.4 | 1.7 |
28 | 24 h | gi|226282286 | DNA damage protein rad24 (14-3-3 protein) | 147 | 252 | 32.4/40.1 | 4.7/4.2 | 1.4 |
TRANSCRIPTION | ||||||||
29 | 24 h | gi|226280907 | mRNA binding post-transcriptional regulator (Csx1) | 92 | 44 | 42.6/44.2 | 6.3/6.9 | 2.0 |
30 | 24 h | gi|226284577 | Type 2A phosphatase activator tip41 | 90 | - | 35.9/27.9 | 5.3/4.9 | 2.3 |
31 | 6 h | PAAG_06891 | mRNA binding post-transcriptional regulator (Csx1) | 96 | - | 42.4/43.4 | 6.3/7.1 | 2.0 |
PROTEIN SYNTHESIS | ||||||||
32 | 24 h | gi|226280659 | 60S ribosomal protein L5 | 104 | - | 34.3/39.7 | 9.0/9.7 | ** |
33 | 24 h | gi|226282202 | ATP-dependent RNA helicase eIF4a | 130 | 60 | 45.0/45.1 | 5.1/4.8 | 1.3 |
34 | 24 h | gi|226280705 | Elongation factor 2 | 103 | 110 | 92.6/37.8 | 6.4/7.2 | ** |
35 | 24 h | gi|226283670 | Translation initiation factor eIF3 | 84 | 56 | 66.0/62.3 | 5.1/5.2 | ** |
PROTEIN FATE (folding, modification, destination) | ||||||||
36 | 6 h | PAAG_05417 | Mitochondrial-processing peptidase | 140 | - | 53.0/45.2 | 5.8/7.1 | 1.3 |
37 | 6 h | gi|295661059 | G-protein complex beta subunit cpcb | 102 | 228 | 35.4/38.5 | 6.5/7.9 | 3.3 |
CELL RESCUE, DEFENSE AND VIRULENCE | ||||||||
38 | 24 h | gi|60656557 | Heat shock protein 90 | 148 | 91 | 80.3/73.7 | 4.9/5.0 | 1.4 |
39 | 24 h | gi|226285144 | Hsp90 co-chaperone AHA1 | 150 | 48 | 36.5/42.0 | 5.4/5.7 | 1.4 |
40 | 24 h | gi|31324921 | Heat shock protein SSC1 (70 kDa) | 135 | 225 | 73.8/67.1 | 5.9/5.1 | 1.5 |
41 | 24 h | gi|295659116 | Hsp70-like protein | 244 | 126 | 70.9/42.7 | 5.0/5.7 | 1.6 |
42 | 24 h | gi|226286087 | Mitochondrial peroxiredoxin PRX1 | 197 | 97 | 24.8/29.2 | 5.2/4.8 | 1.2 |
43 | 24 h | gi|17980998 | Y20 protein | 92 | 82 | 21.6/15.5 | 6.0/8.5 | 2.2 |
UNCLASSIFIED PROTEINS | ||||||||
44 | 24 h | gi|226278304 | Conserved hypothetical protein | 103 | 40 | 38.0/38.5 | 6.0/7.2 | 1.4 |
45 | 24 h | gi|226286114 | Conserved hypothetical protein | 92 | 114 | 34.7/40.6 | 5.3/4.9 | 1.6 |
46 | 24 h | gi|226279849 | Conserved hypothetical protein | 86 | 75 | 11.8/13.0 | 5.0/4.3 | ** |
47 | 6 h | PAAG_06617 | Conserved hypothetical protein | 113 | - | 30.5/34.9 | 6.2/7.1 | 1.3 |
**Spots visualized only in iron-depleted condition;
Spots numbers refers to Figure 3;
Time in iron starvation condition;
GenBank general information identifier;
Molecular weight (theoretical/experimental);
pI (theoretical/experimental).
≥fold in iron depletion.