Table 2.
A list of major protein functional groups revealing differential protein abundance under salinity in glycophytes and halophytes. References to the papers providing cited data are given in brackets.
| Protein functional group | Glycophytes | Halophytes | ||
|---|---|---|---|---|
| Increased protein | Decreased protein | Increased protein | Decreased protein | |
| Signalling | Annexin [22], calmodulin, OsRPK1 [91], calreticulin [51,84] MAPK [56,76], large GTP binding protein; β subunit of heterotrimeric G protein, OsRac2 [22,23,51,52,59], 14-3-3 [23,56,79,89] | Ras GTPase, 14-3-3 [52] | Annexin [22,27], β subunit of heterotrimeric G protein [23], phototropin [89], alpha-SNAP [28] | CBL-interacting protein kinase [27], 14-3-3 [28] |
| Gene expression regulation, cell growth and division | NAC-α, HB1B, OSAP1 RNA helicase [30,62,65,80] |
NAC-α, polyA-binding protein [51] | CRT/DREB [16], Cell division protein fts homolog [89] | SKP1-like protein [89], MorR homolog [90], TF APFI [27] |
| Protein biosynthesis and degradation | eIF, eEF, eIF5A3, ribosomal proteins L12, L31, S29 [22], Proteasome 20S [60], 26S [70], GS [62] | eIF-4E2, eEF [52], L10, L12, S3a, S12 [84], L29, S5 [22], GS [81] | eIF3A, S7, S24, S15a [22] Alpha type 6, Beta type 1, GS [22,27] | 20S, Proteasome subunit alpha type 2, 4, 6 [28] |
| Protein folding | DnaK chaperone, HSP70, small HSP [80], RubisCO binding protein subunit β (CPN60-β) [30,65,66] | HSP90 [57] | Small HSP [88], HSP70 [89], CPN60-α [28], HSP60 [27] | HSP90 [28] |
| Photosynthesis | 23 kDa (PsbP), ferredoxin-NADPH reductase [78], OEE2 [65,66], RubisCO activase [61,65,92], TPI, GAPDH, Glucose-6-P dehydrogenase [56,58,73] | LHC, PC, OEE1, OEE2, RubisCO LSU and SSU, RubisCO activase [22,56,71,73,81], carbonic anhydrase; GAPDH, SBP, PGK, PRK, TK [61,71,92] | LHC, OEE2, RubisCO LSU and SSU, RubisCO activase [16,89], D2 protein PSII [26], CP24, CP47, PSI subunit IV [16], carbonic anhydrase; SBP, PGK [29,87] | LHC, OEE1, RubisCO LSU and SSU, RubisCO activase [28], PsbO [90], SBP [26,86] |
| Respiratory pathway and sucrose matabolism | FBP aldolase, GAPDH, TPI, ENO [61], Succinyl-CoA ligase β subunit, MDH (NAD), cytochrome c oxidase subunit 6b-1 [22], ATP synthase CF1β,δ,ɛ ; ADK, NDPK1 [22,63,74,78], ADH [73] | ATP synthase CF1α,β-3, mtATP β-3 [77] | FBP aldolase [35], ATP synthase CF1β,ɛ, ADK, NDPK1 [86], Fructokinase-like protein [89], GAPDH, MDH [27] | ATP synthase CF1α,β [89], MDH [27], sucrose synthase [28] |
| Redox metabolism | GST, APX, Cu/Zn-SOD, Mn-SOD, PRX, Trx h, protein disulfide isomerase (practically all papers) | APX, MDAR [51] | GST, APX, Cu/Zn–SOD, 2-Cys PRX, MDAR (practically all papers) | APX chain A [86], MDAR [27], GST-I, Thioredoxin [28] |
| Metal binding proteins | Ferritin, IDI2, IDS2, IDS3 [68], magnesium chelatase [66], metallothionein [70] | Ferritin, Voltage-dependent anion channel protein [27], transferrin-like [31], FutA1, FutA2 [90] | Ferritin [27] | |
| Defence-related proteins | PR5, PR10 [22,25,67,72,74,75,82,84,92], β-1,3- glucanase, cyanogenic β-glucosidase dhurrinase [77], (1–3)-b-Glucanase GV [68], Jacalin lectin, mannose-binding RICE lectin [59], lectin-like [56,76], Germin-like [51,65], SAMS [68] | Lectin-like [72], 23 kDa jasmonate-induced protein, F23N19.10 stressinducible protein [68], SAMS [73], TSI-1 [34] | NBS-LRR disease resistance [27], SAMS [27,28], Lipocalin-like protein [89] | Disease resistance protein [27] |
| Transport | PM H+- ATPase, V-ATPase subunit β (VHA-B), PPase, NHX [22–24,51,57,82], ABC [23] | V-ATPase subunit β (VHA-B) [34] | HKT, V-ATPase subunit β (VHA-B), PPase, NHX [22,23], ABC [86,90] | V-ATPase subunit β [28], Putative porin [90] |
| Cytoskeleton-related | Profilin [65], β-tubulin [22,51] | Tubulin, actin [83] | Profilin [26] | |
| Structural proteins | Myosin VIII, remorin [91], OSR40c1, β-d-glucan exohydrolase, GRP [57,60,82] | XET [84] | PM coat proteins [32], cellulose synthase [16] | |
| Lipid metabolism | 3-ketoacyl-acyl carrier protein synthase I, phospholipase/carboxyesterase family protein, dihydrolipoamide dehydrogenase, ENR [60], UDP-sulfoquinovose synthase [57] | Monogalactosyl diacylglycerol synthase [78] | Long-chain-fatty-acid-CoA ligase [22] | Glycerophosphodiesterase [22] |
| Phytohormone metabolism | JA biosynthesis (AOC, LOX) [22,51] | ABA biosynthesis (NCED) [19], GA biosynthesis (DWARF3) [23,64] | ||
| Lignin biosynthesis | COMT, CCOMT [34,67,70] | COMT, CCOMT [73] | COMT, CCOMT [27,28] | |