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Table 2 Response to exogenous NAA is not changed by loss of SPT function

From: The bHLH transcription factor SPATULA regulates root growth by controlling the size of the root meristem

Genotype

Concentration of NAA (nM)

Root length (mm)

% of mock

Col-0

   
 

0

24.7 ± 6.7

NAa

 

1

17.1 ± 4.2

69%

 

20

4.6 ± 1.1

19%

 

40

3.4 ± 1.0

16%

 

60

3.1 ± 0.7

13%

 

80

2.7 ± 0.7

11%

 

100

2.2 ± 0.6

9%

spt-11

   
 

0

26.2 ± 3.7

NA

 

1

17.7 ± 3.0

68%

 

20

5.2 ± 1.7

20%

 

40

4.8 ± 1.6

18%

 

60

3.5 ± 0.9

13%

 

80

3.2 ± 1.0

12%

 

100

2.7 ± 1.4

11%

  1. Values are means ± standard deviation. aNA, not applicable.