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Table 3 N source effect on individual glucosinolate content (μg . g FW−1) of roots and leaves of B. napus

From: Leaves play a central role in the adaptation of nitrogen and sulfur metabolism to ammonium nutrition in oilseed rape (Brassica napus)

  

Root

Leaf

  

N0.5

A0.5

N1

A1

N0.5

A0.5

N1

A1

Aliphatic glucosinolates

 Glucoraphanin

4MSOB

5.9 ± 1.1 a

6.4 ± 0.9 a

4.8 ± 0.3 a

4.9 ± 1.2 a

5.7 ± 0.6 a

5.6 ± 0.8 a

4.0 ± 0.4 ab

3.6 ± 0.3 b

 Glucoalyssin

5MSOP

3.9 ± 0.1 a

3.7 ± 0.5 a

3.9 ± 0.5 a

4.2 ± 0.8 a

37.8 ± 3.7 a

74.7 ± 6.6 b

41.3 ± 9.8 a

78.3 ± 5.0 b

 Glucoiberverin

3MTP

0.4 ± 0.1 a

0.3 ± 0.1 a

0.4 ± 0.0 a

0.3 ± 0.0 a

n.d.

n.d.

n.d.

n.d.

 Glucoerucin

4MTB

129.8 ± 18.9 a

129.1 ± 12.6 a

114.7 ± 5.4 a

86.7 ± 11.5 a

n.d.

n.d.

n.d.

n.d.

 Glucoberteroin

5MTP

70.3 ± 3.3 a

61.4 ± 6.7 bc

67.6 ± 3.2 bc

52.9 ± 5.3 c

0.8 ± 0.2 a

1.7 ± 0.2 b

0.6 ± 0.1 a

1.5 ± 0.2 b

 Gluconapoleiferin

2H4P

10.9 ± 0.7 a

9.6 ± 0.8 a

9.4 ± 0.4 a

6.7 ± 0.9 b

52.7 ± 3.4 a

79.7 ± 8.0 b

47.0 ± 7.8 a

49.6 ± 8.3 a

 Progoitrin

2OHB

82.7 ± 5.1 a

59.0 ± 4.3 b

64.8 ± 2.2 ab

52.1 ± 9.7 b

186.9 ± 11.7 ab

242.5 ± 25.6 b

131.1 ± 20.2 a

202.9 ± 11.6 b

 Gluconapin

3B

1.2 ± 0.2 a

0.7 ± 0.1 a

2.0 ± 0.5 a

1.6 ± 0.7 a

68.3 ± 7.3 a

115.3 ± 2.1 b

84.9 ± 15.1 ab

118.8 ± 13.3 b

 Glucobrassicanapin

4P

8.4 ± 1.1 a

6.0 ± 0.7 a

9.8 ± 1.5 a

8.4 ± 2.7 a

222.4 ± 14.1 a

425.6 ± 40.0 b

202.0 ± 17.0 a

390.2 ± 20.5 b

 C6-aliphatic GLS A (C13H24NO9S2)

 

2.8 ± 0.5 a

2.2 ± 0.3 ab

2.8 ± 0.2 a

1.6 ± 0.2 b

1.3 ± 0.1 a

1.5 ± 0.1 a

1.6 ± 0.2 a

1.4 ± 0.1 a

 C6-aliphatic GLS B (C13H24NO9S2)

 

0.4 ± 0.1 a

0.4 ± 0.0 a

0.3 ± 0.0 a

0.4 ± 0.1 a

0.9 ± 0.1 ab

1 .4 ± 0.1 c

0.8 ± 0.2 a

1.1 ± 0.0 bc

Total Aliphatic

 

316.4 ± 28.2 a

278.8 ± 21.7 ab

280.4 ± 9.5 ab

219.6 ± 31.0 b

576.6 ± 31.5 a

925.9 ± 88.3 b

513.0 ± 48.8 a

847.5 ± 44.8 b

Indolic glucosinolates

 Glucobrassicin

I3M

6.8 ± 0.9 a

12.6 ± 1.1 a

12.2 ± 2.3 a

20.4 ± 2.6 b

24.9 ± 1.8 a

52.6 ± 14.1 b

25.4 ± 1.4 a

62.1 ± 3.5 b

 Neoglucobrassicin

IMOI3M

33.9 ± 3.4 a

28.8 ± 1.7 a

31.8 ± 2.7 a

26.9 ± 3.8 a

7.8 ± 0.6 a

14.8 ± 2.2 b

8.8 ± 1.7 ab

14.1 ± 3.0 ab

 Hydroxyglucobrassicin

4OHI3M

1.0 ± 0.2 a

1.7 ± 0.1 a

1.7 ± 0.3 a

2.7 ± 0.4 a

2.9 ± 0.2 a

5.5 ± 1.2 ab

2.9 ± 0.2 a

8.6 ± 1.9 b

 Methoxyglucobrassicin

4MOI3M

16.5 ± 1.5 a

16.2 ± 1.2 a

16.9 ± 1.2 a

18.1 ± 1.3 a

2.8 ± 1.0 a

3.5 ± 0.5 a

2.1 ± 0.3 a

7.8 ± 1.4 b

 Total Indolic

 

58.2 ± 2.0 a

59.4 ± 4.2 a

62.6 ± 5.3 a

68.2 ± 7.2 a

38.4 ± 2.8 a

76.4 ± 17.8 b

39.2 ± 2.7 a

92.6 ± 6.7 b

Aromatic glucosinolates

 Gluconasturtin

2PE

261.1 ± 28.35 a

241.6 ± 26.2 a

273.2 ± 11.3 a

243.2 ± 46.2 a

42.2 ± 2.8 a

37.2 ± 1.7 a

45.5 ± 1.2 a

39.7 ± 5.7 a

Unknown GLS (C16H20N2O11S2)

 

31.9 ± 2.2 ab

26.6 ± 2.2 a

35.1 ± 1.6 b

32.2 ± 1.1 ab

8.2 ± 0.8 a

6.8 ± 0.8 a

8.6 ± 0.9 a

7.3 ± 0.3 a

  1. Plants were grown with 0.5 mM or 1 mM nitrate (N0.5, N1) or ammonium (A0.5, A1) as N source. Values represent mean ± SE (n = 4). Different letters indicate statistical differences between treatments (ANOVA analysis with Duncan’s multiple comparison test, P < 0.05). Significant nitrogen source effect within each dose (t-test, p < 0.05) is highlighted in bold