Table 1.
Fractiona) | Protein name | Protein description | Mr (kDa)b) | pIb) | Vs cell cult.c) | No. gelsd) | CVe) | Vs pig #1c) | No. gelsd) | CVe) | Vs pig #2c) | No. gelsd) | Ratio pig #1/ccf) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Energy metabolism | |||||||||||||
CL 4.5 – 5.4 | YfiD | putative formate acetyltransferase | 14374 | 4.96 | NA | 1.9 | 2 | 1.399 | 1 | ||||
CL 5.4 – 6.2 | AcnB | aconitate hydrase B | 94038 | 5.27 | 2.891 | 3 | 27.53% | 0.72 | 4 | 16.98% | 1.393 | 2 | 0.249 |
CL 5.4 – 6.2 | Pta | phosphotransacetylase | 77480 | 5.52 | 1.61 | 3 | 23.34% | 0.959 | 4 | 33.35% | 0.762 | 2 | 0.596 |
CL 5.4 – 6.2 | AspA | aspartate ammonia-lyase | 54714 | 5.54 | 3.279 | 3 | 35.45% | 6.127 | 2 | 5.039 | 2 | 1.869 | |
CL 5.4 – 6.2 | IcdA | isocitrate dehydrogenase | 46069 | 5.28 | 4.306 | 3 | 21.87% | 0.607 | 4 | 43.48% | 0.619 | 2 | 0.141 |
CL 5.4 – 6.2 | SucC | succinyl-CoA synthetase, beta subunit | 41610 | 5.37 | 1.999 | 3 | 36.57% | 0.519 | 4 | 37.10% | 0.369 | 2 | 0.260 |
CL 5.4 – 6.2 | SucB | dihydrolipoamide acetyltransferanse | 43990 | 5.58 | 4.125 | 3 | 31.42% | 2.31 | 4 | 78.41% | 1.018 | 2 | 0.560 |
CL 5.4 – 6.2 | AnsB | periplasmic L-asparaginase II | 36942 | 5.68 | 0.581 | 3 | 6.70% | 1.41 | 4 | 9.90% | 0.862 | 2 | 2.427 |
CL 5.4 – 6.2 | LdhA | fermentative D-lactate dehydrogenase, NAD-dependent | 36869 | 5.37 | 0.554 | 3 | 33.63% | 0.13 | 4 | 48.35% | NA | 0.235 | |
CL 5.4 – 6.2 | Mdh | malate dehydrogenase | 32477 | 5.61 | 3.907 | 3 | 28.69% | 2.174 | 4 | 34.52% | 1.473 | 2 | 0.556 |
CL 5.4 – 6.2 | NuoE | NADH dehydrogenase I chain E | 18879 | 5.4 | 0.24 | 3 | 38.36% | 0.078 | 4 | 30.36% | 0.019 | 2 | 0.325 |
CL 6.2 – 7 | NuoG | NADH dehydrogenase I chain G | 101514 | 5.89 | 0.757 | 4 | 8.11% | 0.927 | 2 | NA | 1.225 | ||
CL 6.2 – 7 | PflB | formate acetyltransferase 1, pyruvate formate lyase | 85581 | 5.69 | 1.551 | 4 | 17.48% | 8.5 | 2 | NA | 5.480 | ||
CL 6.2 – 7 | PykA | pyruvate kinase II | 51583 | 6.24 | 0.679 | 4 | 19.62% | 0.998 | 2 | NA | 1.470 | ||
CL 6.2 – 7 | GltA | citrate synthase | 48384 | 6.06 | 5.938 | 4 | 16.23% | 1.328 | 2 | NA | 0.224 | ||
CL 6.2 – 7 | AckA | acetate kinase | 43593 | 5.85 | 0.745 | 4 | 33.93% | 2.394 | 2 | NA | 3.213 | ||
CL 6.2 – 7 | PflA | pyruvate formate lyase activating enzyme 1 | 28528 | 6 | 0.18 | 4 | 31.76% | 0.689 | 2 | NA | 3.828 | ||
CL 6.2 – 7 | PykF | pyruvate kinase I, fructose stimulated | 51027 | 5.77 | 2.966 | 4 | 6.19% | 3.89 | 2 | NA | 1.312 | ||
CL 6.2 – 7 | PoxB | pyruvate oxidase | 62541 | 5.89 | 3.722 | 4 | 12.92% | 2.451 | 2 | NA | 0.659 | ||
CL 7 – 10 | NapA | probable nitrate reductase 3, periplasmic | 93682 | 7.85 | NA | 2.551 | 2 | 1.634 | 1 | ||||
CL 7 – 10 | NuoF | NADH dehydrogenase I chain F | 49774 | 6.44 | 1.404 | 3 | 9.86% | 0.16 | 2 | NA | 0.114 | ||
hs-MBR | AdhE | bifunctional acetaldehyde-CoA/alcohol dehydrogenase | 96580 | 6.32 | 7.387 | 2 | 10.56 | 2 | 12.82 | 1 | 1.429 | ||
hs-MBR | SucD | succinyl-CoA synthetase, alpha subunit | 30128 | 6.18 | 12.164 | 2 | 0.45 | 2 | 0.615 | 1 | 0.037 | ||
hs-MBR | NuoB | NADH dehydrogenase I chain B | 25339 | 5.58 | 1.338 | 2 | 0.398 | 2 | 0.562 | 1 | 0.297 | ||
hs-MBR | FrdB | fumarate reductase, iron-sulfur protein subunit | 27735 | 6.07 | 1.177 | 2 | 0.958 | 2 | 0.913 | 1 | 0.814 | ||
hs-MBR | SdhB | succinate dehydrogenase, iron sulfur protein | 27452 | 5.97 | 7.432 | 2 | 0.198 | 2 | 0.248 | 1 | 0.027 | ||
hs-MBR | NuoI | NADH dehydrogenase I chain I | 21067 | 5.4 | 1.264 | 2 | NA | NA | |||||
usb-MBR | SdhA | succinate dehydrogenase, flavoprotein subunit | 65024 | 5.85 | 8.067 | 2 | 0.389 | 2 | 0.743 | 1 | 0.048 | ||
usb-MBR | NuoC | NADH dehydrogenase I chain C, D | 68909 | 5.98 | 0.739 | 4 | 6.54% | 0.293 | 2 | NA | 0.396 | ||
usb-MBR | FumA | fumarase A | 60744 | 6.11 | 3.497 | 4 | 3.41% | 0.581 | 2 | NA | 0.166 | ||
usb-MBR | LldD | L-lactate dehydrogenase | 42899 | 6.33 | 4.661 | 4 | 4.19% | 2.402 | 2 | NA | 0.515 | ||
Acid resistance | |||||||||||||
CL 4.5 – 5.4 | HdeA | Hypoth. protein SDY_3543, acid resistance chaperone | 11964 | 5.06 | 23.858 | 2 | 48.96 | 2 | 65.16 | 1 | 2.052 | ||
CL 4.5 – 5.4 | HdeB | Hypoth. protein SDY_3544, acid resistance chaperone | 12610 | 6.55 | 2.206 | 2 | 5.929 | 2 | 2.773 | 1 | 2.688 | ||
CL 5.4 – 6.2 | AdiA | biodegradative arginine decarboxylase | 85071 | 5.09 | 0.128 | 3 | 50.89% | 9.111 | 2 | NA | 71.180 | ||
CL 5.4 – 6.2 | ClpB | protein disaggregation chaperone | 95725 | 5.37 | 1.686 | 3 | 25.34% | 7.259 | 4 | 25.31% | 5.716 | 2 | 4.305 |
CL 5.4 – 6.2 | GadB | glutamate decarboxylase isozyme | 53220 | 5.28 | 9.42 | 3 | 28.92% | 14.74 | 4 | 5.14% | 17.01 | 2 | 1.564 |
hs-MBR | AdiA | biodegradative arginine decarboxylase | 85071 | 5.09 | NA | 2 | 3.618 | 2 | 0.575 | 1 | |||
hs-MBR | ClpB | protein disaggregation chaperone | 95725 | 5.37 | 0.992 | 2 | 6.245 | 2 | 4.791 | 1 | 6.295 | ||
hs-MBR | GadB | glutamate decarboxylase isozyme | 53220 | 5.28 | 0.254 | 2 | 5.082 | 2 | 7.561 | 1 | 20.008 | ||
usb-MBR | AdiA | biodegradative arginine decarboxylase | 85071 | 5.09 | NA | 4 | 11.85% | 11.48 | 2 | NA | |||
usb-MBR | ClpB | protein disaggregation chaperone | 95725 | 5.37 | 0.165 | 4 | 29.63% | 8.74 | 2 | NA | 52.970 | ||
usb-MBR | GadB | glutamate decarboxylase isozyme | 53220 | 5.28 | 0.641 | 4 | 21.81% | 10.29 | 2 | NA | 16.055 | ||
Host cell invasion and subversion of host immune response | |||||||||||||
CL 4.5 – 5.4 | IpgC | cytoplasmic chaperone for IpaB and IpaC | 17916 | 4.58 | NA | 1.324 | 2 | 4.156 | 1 | ||||
CL 5.4 – 6.2 | IpaD | invasion plasmid antigen IpaD | 36738 | 5.69 | 0.08 | 2 | 0.199 | 4 | 19.49% | 0.012 | 1 | 2.488 | |
CL 5.4 – 6.2 | PhoN2 | periplasmic ATP diphosphohydrolase PhoN2/Apy | 27728 | 5.46 | 0.377 | 3 | 36.02% | NA | NA | ||||
CL 5.4 – 6.2 | StxB | Shiga toxin subunit B precursor | 9851 | 7.77 | 0.267 | 3 | 6.74% | NA | NA | ||||
CL 6.2 – 7 | IpaD | invasion plasmid antigen IpaD | 36738 | 5.69 | NA | 0.634 | 2 | NA | |||||
CL 6.2 – 7 | PhoN1 | periplasmic non-specific acid phosphatase PhoN1 | 27266 | 6.43 | 2.28 | 4 | 20.56% | 0.948 | 2 | NA | 0.416 | ||
CL 7 – 10 | OspC2 | outer Shigella protein family protein OspC2 | 55775 | 6.58 | 0.467 | 4 | 28.58% | 2.262 | 2 | NA | 4.844 | ||
CL 7 – 10 | IpaC | invasion plasmid antigen IpaC | 38731 | 7.85 | 1.252 | 3 | 39.25% | 18.38 | 2 | 3.453 | 2 | 14.681 | |
CL 7 – 10 | IcsB | invasive protein IcsB | 56540 | 9.34 | NA | 2.951 | 2 | NA | |||||
CL 7 – 10 | OspF | mouse killing factor, phosphothreonine lyase | 28167 | 8.2 | NA | 1.493 | 2 | NA | |||||
CL 7 – 10 | IpgB1 | membrane ruffles-inducing protein IpgB1 | 23731 | 9.45 | 3.906 | 2 | 5.383 | 2 | 3.143 | 2 | 1.378 | ||
CL 7 – 10 | StxA | Shiga toxin subunit A precursor | 34906 | 9.63 | 1.454 | 2 | NA | NA | |||||
usb-MBR | IpaA | invasion plasmid antigen IpaA | 70223 | 6.27 | NA | 0.932 | 2 | NA | |||||
Oxidative stress response, iron storage, quorum sensing | |||||||||||||
CL 4.5 – 5.4 | Ftn | cytoplasmic ferritin | 19468 | 4.77 | 9.182 | 2 | 1.733 | 2 | 2.389 | 1 | 0.189 | ||
CL 4.5 – 5.4 | Bfr | iron storage and detoxification protein, bacterioferrin | 18326 | 4.64 | 12.636 | 2 | 1.713 | 2 | 1.155 | 1 | 0.136 | ||
CL 5.4 – 6.2 | YgaG | S-ribosylhomocysteinase, LuxS ortholog | 19575 | 5.18 | 1.491 | 3 | 16.03% | 0.209 | 4 | 77.25% | 0.117 | 2 | 0.140 |
CL 5.4 – 6.2 | SodB | superoxide dismutase, iron | 21310 | 5.58 | 3.337 | 3 | 32.21% | 6.554 | 4 | 13.95% | 5.134 | 2 | 1.964 |
CL 5.4 – 6.2 | WrbA | putative NAD(P)H:quinone oxidoreductase | 20862 | 5.59 | 1.682 | 3 | 14.05% | 3.675 | 4 | 4.96% | 3.394 | 2 | 2.185 |
CL 5.4 – 6.2 | SodC | superoxide dismutase (Cu-Zn) | 17764 | 6.04 | 1.697 | 3 | 1.11% | 0.181 | 4 | 36.38% | 0.125 | 2 | 0.107 |
CL 6.2 – 7 | SodA | superoxide dismutase, manganese | 23079 | 6.45 | 3.279 | 4 | 9.47% | 0.401 | 2 | NA | 0.122 | ||
CL 7 – 10 | SitA | iron transport protein, periplasmic-binding protein | 33565 | 8.34 | 2.108 | 3 | 10.84% | NA | NA | ||||
hs-MBR | Dps | stationary phase protection protein Dps | 18684 | 5.72 | 26.394 | 2 | 6.843 | 2 | 12.9 | 1 | 0.259 |
subcellular fraction in which the protein spot was identified; CL, cell lysate listed with the pI range for protein detection; hs-MBR, high salt-extracted membrane fraction; usb-MBR, urea/thiourea/amidosulfobetaine-14-extracted membrane fraction;
predicted molecular weight (Mr) and pI values;
normalized relative spot intensity volume (or sum of spot volumes) for a S. dysenteriae protein measured using the software Proteomweaver v.4.0; cell cult. (in vitro cell culture, stationary phase); pig #1, cells isolated from the gut of piglet #1; pig# 2, cells isolated from the gut of piglet #2;
number of gels in which the protein was quantitated;
CV, if at least 3 spot intensity measurements per group were available;
ratio of protein spot quantities: in vivo piglet #1 vs. in vitro cell culture; NA: protein was not detected in 2D gels.