Table 2 Overview of the signalling component genes up-regulated by drought, heat and combined stress and belonging to cluster 1, 4, 8, 10, 17, 18, 23, 40 and 47

Ca²⁺ binding protein

RD20

At2g33380

Ta.9830.2.S1_at

4

Phosphatidic acid

PLD

At3g15730

Ta.11144.1.A1_at

1

At3g15730

Ta.3908.1.S1_at

1

DAG kinase

At5g07920

Ta.3010.1.A1_at

4

At2g20900

Ta.3876.1.A1_at

8

Phosphatidylinositol

PI3K

At1g60490

Ta.22091.1.A1_at

1

Ta.28795.1.S1_at

1

PI(3,4)K

At1g13640

TaAffx.110494.1.S1_x_at

1

PI4p5K

At4g33240

Ta.5574.1.S1_a_at

23

TaAffx.86994.1.S1_at

1

At3g14270

Ta.5574.3.S1_at

1

AtVPS15

At4g29380

Ta.8384.1.S1_at

8

Chromatin condensation

Histone 4

At5g59970

Ta.10329.23.S1_at

1

Ta.10329.8.S1_x_at

1

Histone 1.2

At2g30620

Ta.23485.1.S1_at

1

Histone 2A

At4g27230

Ta.644.1.S1_at

1

At1g54690

Ta.6538.2.S1_at

4

Histone 2B

At2g37470

Ta.7378.28.S1_x_at

4

Histone 3

At5g10400

Ta.27101.7_S1_at

40

At5g10400

Ta.27101.7_S1__xat

40

HDAC

At3g44680

TaAffx.93321.1.S1_at

1

At5g61060

Ta.1597.1.S1_at

1

HAT

At5g64610

Ta.5414.1.S1_at

1

Ta.5414.2.S1_a_at

8

RCC1

At3g02300

Ta.15822.1.S1_at

1

At5g48330

TaAffx.53414.1.S1_at

8

SMC2-like condensin

At5g62410

Ta.20443.1.A1_at

17

AtMSI1

At5g58230

Ta.13849.1.S1_at

1

Stomatal closure

OST1

At4g33950

Ta.991.1.S1_a_at

1

Ta.991.1.S1_at

1

Ta.991.1.S1_x_at

1

Ta.2551.1.S1_at

4

Ta.6040.1.S1_a_at

18

Temperature signaling

CHY

At5g65940

Ta.6750.2.S1_a_at

1

Ta.6750.3.S1_a_at

1

Ta.6750.3.S1_x_at

1

TaAffx.108337.1.S1_s_at

1

BCKDH

At3g06850

Ta.12252.1.S1_s_at

4

Ta.8293.1.A1_at

4

HSF

At3g22830

Ta.28772.1.S1_at

1

At2g26150

TaAffx.105519.1.S1_at

4

HSPs

45 different probe sets ID