Table 3

Stress-induced transcriptional changes of genes involved in starch and lipid mobilization pathways.a

Reaction

Enzyme

GenBank accession number of EST showing similarity to the enzyme

Maximal ratio of transcript abundance (multistress:standard)

Time point of maximal transcriptional differences


Starch degradation

1

Alpha-amylase (EC 3.2.1.1)

FG345587

3.1**

T1

1

Alpha-amylase (EC 3.2.1.1)

FG344655

1.9*

T1

2

Beta-amylase (EC 3.2.1.2)

FG345593

3.0*

T1

Glycolysis

4

Phosphoglucomutase (EC 5.4.2.2), cytosolic

BQ586122

2.7**

T50

8

Fructose-bisphosphate aldolase (EC 4.1.2.1), cytosolic

FG343104

1.5

Tmax

8

Fructose-bisphosphate aldolase (EC 4.1.2.1), plastidic

FG345732

2.0*

T50

9

Triosephosphate isomerase (TPI) (EC 5.3.1.1), cytosolic

FG344285

2.2

T1

12

Phosphoglycerate mutase (PGAM) (EC 5.4.2.1), cytosolic

BQ583729

2.3*

T1

14

Pyruvate kinase (PK) (EC 2.7.1.40), cytosolic

FG344735

1.5

T1

Pyruvate decarboxylation and fermentation

15

Pyruvate dehydrogenase E1 alpha subunit (EC 1.2.4.1)

FG345415

1.8*

T1

16

Alcohol dehydrogenase (EC 1.1.1.1)

FG343474

1.5

T1

Fatty acid beta-oxydation

17

Acyl-CoA synthetase (EC 6.2.1.3)

FG344059

1.9*

T50

19a

Enoyl-CoA hydratase (EC 4.2.1.17)

FG345194

0.4**

Tmax

20

Thiolase (EC 2.3.1.9)

FG344716

0.5***

Tmax

Glyoxylate cycle

21

ATP citrate synthase (EC 2.3.3.8)

FG345121

0.7*

Tmax

23

Isocitrate lyase, glyoxysomal (EC 4.1.3.1)

FG345539

0.5**

Tmax

Gluconeogenesis

26

Phosphoenolpyruvate carboxykinase (EC 4.1.1.49)

FG343814

0.5**

Tmax


a The transcripts are arranged according the metabolic scheme shown in Figures 4 and 5.

* P ≤ 0.05; ** P ≤ 0.01; *** P ≤ 0.001

Pestsova et al. BMC Plant Biology 2008 8:122   doi:10.1186/1471-2229-8-122

Open Data