Table 1 Classification of genes of interest

Constitutive

Genes constitutively expressed

Always DE between Col and Col-NS, and never DE through time in any genotype

134

38%

59

44%

75

56%

Early

Genes putatively involved in the early resistance response

DE at 2 DPI between Col and Col-NS, but not at 0 DPI unless DE at 2 DPI, compared to 0 DPI

85

24%

36

42%

49

58%

Late

Genes putatively involved in the late resistance response

DE at 5 DPI between Col and Col-NS, but not at 0 DPI unless DE at 5 DPI, compared to 0 DPI

78

22%

32

41%

46

59%

Pathogen

Genes putatively from the pathogen

Not expressed at 0 DPI in any genotype, highly up-regulated in Col at 5 DPI

4

1%

4

100%

0

0%

Miscellaneous

Remaining genes

77

22%

9

12%

18

23%

Origin

Genes that map at the origin of the resistance (i.e. possible R gene)

DE between both Col-NS and Col at 0 DPI, and on chromosome 7L

27

8%

7

26%

20

74%