Table 4 A comparison of vacuum infiltration and separation by centrifugation on GUSPlus expression in sonicated switchgrass seedlings.

Total, n*

Mean ± SE†

%

Control-1 (no vacuum; no separation by centrifugation)

17

4.2 ± 0.6^b

8.5

Control-2 (no vacuum; separation by centrifugation)

43

10.8 ± 2.6^a

21.5

Vacuum (1 minute); separation by centrifugation

43

10.8 ± 1.6^a

21.5

Vacuum (2 minutes); separation by centrifugation

44

11.0 ± 2.1^a

22.0

Vacuum (4 minutes); separation by centrifugation

49

12.2 ± 3.2^a

24.5

Vacuum (8 minutes); separation by centrifugation

50

12.5 ± 0.5^a

25.0

Vacuum (16 minutes); separation by centrifugation

55

13.8 ± 1.4^a

27.5