Table 2 Cluster 1, 2, 5, 7 and 19 identified from salt stress data of Arabidopsis roots containing root growth and development

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