Table 2.
Cluster 1, 2, 5, 7 and 19 identified from salt stress data of Arabidopsis roots containing root growth and development
| Gene | Symbol | Description | Evidence |
|---|---|---|---|
| Cluster 1: TFs control the root hair growth | |||
| AT5G58010 | LRL3 | Roothairless1 | [58] |
| AT5G19790 | RAP2.11 | Ethylene response factor controlling root growth | [62] |
| AT1G27740 | RSL4 | Postmitotic cell growth in root-hair cells | [59] |
| AT1G66470 | RHD6 | Early root hair formation | [60,61] |
| AT5G25810 | TINY | ERF/AP2 TF control cell expansion in root | [63] |
| AT2G28160 | FRU | Regulates iron uptake responses in outer cells of root | [64,65] |
| Cluster 2: TFs control root cap development (stem cells of roots) | |||
| AT1G33280 | BRN1 | BRN1, SMB control root cap maturation | [66] |
| AT4G10350 | BRN2 | BRN2, SMB control root cap maturation | [66] |
| AT1G79580 | SMB | FEZ and SMB control root stem cells | [67] |
| AT5G39820 | ANAC094 | Apical meristem protein, function unknown | [59] |
| AT1G26870 | FEZ | FEZ and SMB control root stem cells in cap | [67] |
| AT1G74500 | TOM7 | Embryonic root initiation | [68] |
| AT3G27010 | TCP20 | Postembryonic cell division in root | [70] |
| AT2G30340 | LBD13 | Expressed in cells at the adaxial base of lateral roots | [104] |
| AT2G40470 | LBD15 | Expressed in cells at the adaxial base of lateral roots | [104] |
| AT1G51190 | PLT2 | Control root stem cell activity near cap | [69] |
| AT1G66350 | RGL1 | Root epidermal differentiation | [105] |
| AT2G37260 | TTG2 | Differentiation of trichomes and root hairless cells | [106] |
| AT5G57420 | IAA33 | IAA is involved in root development | [107,108] |
| AT2G29060 | scarecrow transcription factor family protein | ||
| AT5G07580 | DNA binding/transcription factor | ||
| AT1G21340 | Dof-type zinc finger DNA-binding protein | ||
| AT1G75710 | C2H2-like zinc finger protein | ||
| AT1G77200 | DREB subfamily A-4 of ERF/AP2 transcription factor | ||
| Cluster 5: TFs control root vascular development, second wall growth development | |||
| AT1G71930 | VND7 | Regulates xylem vessel formation | [72] |
| AT5G12870 | MYB46 | Target of SND1, control second wall biosynthesis | [76] |
| AT1G01780 | LIM | LIM domain-containing protein | |
| AT1G12260 | VND4 | Switches for protoxylem and metaxylem vessel formation | [72] |
| AT1G17950 | MYB52 | Second wall growth | [109] |
| AT1G63910 | MYB103 | Second wall growth | [109] |
| AT1G66230 | MYB20 | Second wall growth | [109] |
| AT1G68810 | bHLH | Root vascular initial | [110] |
| AT1G73410 | MYB54 | Second wall growth | [109] |
| AT2G39830 | DAR2 | DA-1 related, control organ size | [111] |
| AT2G45420 | LBD18 | Lateral root and tracheary element formation | [75] |
| AT3G21270 | ADOF2 | Early stages of vascular development | [74] |
| AT4G00220 | JLO | A central regulator of auxin distribution and signaling in root | [112] |
| AT4G28500 | SND2 | Vascular cell differentiation | [73] |
| AT5G66610 | DAR7 | DA-1 related, control organ size | [111] |
| Cluster 7: TFs control root cell cycle & growth | |||
| AT5G24330 | AtXR6 | Cell cycle regulation of late G1 to S phase | [77] |
| AT3G01330 | DEL3 | Cyclin D/retinoblastoma/E2F pathway | [78] |
| AT2G22840 | AtGRF1 | Growth factor expressed in root | [80,81] |
| AT2G36400 | AtGRF3 | Growth factor expressed in root | [80,81] |
| AT4G37740 | AtGRF2 | Growth factor expressed in root | [80,81] |
| AT3G50870 | MNP | GATA transcription factor | [113] |
| AT1G34355 | PS1 | Parallel spindle 1 involved in meiosis | [83] |
| AT4G23800 | HMG1/HMG2 | High mobile group 1, 2 | [79] |
| AT5G25475 | Transcription factor B3 family | ||
| TFs control drought stress in response to ABA | |||
| AT2G46270 | GBF3 | induced by ABA under water deprivation | [84] |
| AT3G19290 | ABF4 | Regulate ABRE-dependent ABA signaling involved in drought stress | [114] |
| AT1G21000 | Zinc | zinc-binding family protein | |
| AT1G51140 | bHLH | Drought stress | [115] |
| AT1G52890 | ANAC019 | Bind to drought-responsive cis-element in response to ABA | [85,87] |
| AT1G73730 | EIL3 | Ethylene signaling | [116] |
| AT2G18550 | HB-2 | DNA binding/transcription factor | |
| AT2G46680 | ATHB7 | Growth regulator in response to ABA | [86] |
| AT3G12980 | HAC5 | H3/H4 histone acetyltransferase/histone acetyltransferase | |
| AT3G61890 | ATHB12 | Growth regulator in response to ABA | [86] |
| AT4G21440 | MYB102 | ABA-induced protein | [88] |
| AT4G25480 | DREB1A | Drought stress genes responsive to ABA | |
| AT4G27410 | RD26 | Transcriptional activator in ABA-mediated dehydration response | [87] |
| AT4G34000 | ABF3 | Regulate ABRE-dependent ABA-mediated dehydration response | [114] |
| AT4G37180 | MYB | myb family transcription factor | |
| AT5G04760 | MYB | myb family transcription factor | |
| AT5G47640 | NF-YB2 | NF-YB2 (NUCLEAR FACTOR Y, SUBUNIT B2); transcription factor | |