Table 2 Microarray analysis showing differentially regulated hormone pathway and stress related genes in transgenic GhNAC2 expressing Arabidopsis line L-1 compared to Col.

From: Expression of GhNAC2 from G. herbaceum, improves root growth and imparts tolerance to drought in transgenic cotton and Arabidopsis

Gene

Nature of Regulation

Status

Fold change

Abscisic acid

 AtPYL8

Positive (ABA receptor)

Up

2.79

 CYP707A3

Negative (reduction of ABA levels)

Down

4.48

 AHG3

Negative (encodes protein phosphatase that inhibits SnRKs)

Down

2.66

 AtWRKY18

Negative

Down

9.6

 AtWRKY40

Negative

Down

11.64

 AtWRKY70

Negative regulator of stomatal closure

Down

3.73

 CIPK14

Negative regulator of ABA responses

Down

3.0

Ethylene

 ACS6

Positive (Ethylene biosynthesis)

Down

8.6

 MPK3

Positive (MAPK-activator of stress ethylene)

Down

2.46

 MKK9

Positive (activator of MAPK3/6)

Down

2.3

 ERF1

Positive (Ethylene response)

Down

5.2

 ERF2

Positive (Ethylene response)

Down

2.74

 ERF6

Positive (Ethylene response)

Down

5

 ERF11

Ethylene/ABA response

Down

11.5

 EBF2

Negative (Depletion of EIN3)

Up

3.1

 WRKY33

Positive (Activator of ERF6)

Down

4.44

Jasmonic acid

 LOX3

Positive (JA biosynthesis)

Down

13.6

 LOX4

 

Down

53.3

 AOS

 

Down

2.29

 AOC3

 

Down

22

 ERD12

 

Down

3

 CYP94C1

Negative (JA catabolism)

Down

11.31

 JAZ1

Negative (JA response inhibitors)

Down

9.86

 JAZ2

 

Down

3.3

 JAZ5

 

Down

19

 JAZ6

 

Down

3

 JAZ7

 

Down

50.7

 JAZ9

 

Down

2.89

 MYC2

Positive (TF that activates JA response)

Down

6.5

Gibberellic acid

 GA2OX2

Negative (Depletion of active GA)

Down

2.72

 GASA1

Positive (GA responsive)

Up

4.11

Stress responsive genes (that reduce growth upon over-expression)

 RD26

Positive (Drought response)

Down

6.6

 NAC3

Positive (ANAC055; drought responsive)

Down

4.47

 RD29A

Positive (Drought response)

Down

4.87

 MYB44

Negative regulator of stomatal closure (Activator of WRKY70)

Down

5.38

 ZAT10/STZ

positive (Stress response)

Down

7.7

 ERD9

positive (Glutathione S Transferase)

Down

4.1

 ERD5

Positive (Proline dehydrogenase)

Up

12