Table 2 Number of unigenes related to secondary metabolites in P. notoginseng

Anthocyanin biosynthesis

ko00942

10

7

14

Caffeine metabolism

ko00232

12

12

20

Carotenoid biosynthesis

ko00906

15

5

32

Cutin, suberin and wax biosynthesis

ko00073

14

12

15

Diterpenoid biosynthesis

ko00904

8

3

12

Flavone and flavonol biosynthesis

ko00944

3

2

5

Flavonoid biosynthesis

ko00941

23

21

33

Indole alkaloid biosynthesis

ko00901

8

13

11

Isoquinoline alkaloid biosynthesis

ko00950

57

32

51

Limonine and pinene degradation

ko00903

13

10

15

Monoterpenoid biosynthesis

ko00902

4

6

6

Nicotinate and nicotinamide metabolism

ko00760

37

39

48

Phenylpropanoid metabolism

ko00940

88

100

154

Sesquiterpenoid and triterpenoid biosynthesis

ko00909

19

15

13

Steroid biosynthesis

ko00100

27

18

42

Stibenoid diarylhepatanoid and gingerol biosynthesis

ko00945

2

1

2

Terpenoid backbone biosynthesis

ko00900

91

56

56

Tropane, piperidine and pyridine alkaloid biosynthesis

ko00960

57

47

66

Ubiquinone and other terpenoid-quinone biosynthesis

ko00130

45

20

31

Zeatin biosynthesis

ko00908

10

6

14