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Botanical Studies

Table 1 Cell pressure probe measurements of root cortex cells and leaf epidermal cells of control plants and virus induced PsPIP2;1 silencing plants (VIGS-PsPIP2;1)

From: Virus-induced plasma membrane aquaporin PsPIP2;1 silencing inhibits plant water transport of Pisum sativum

 

Control

VIGS-PsPIP2;1

Root cortical cell

 Turgor pressure, P (MPa)

0.38 ± 0.08 a

0.37 ± 0.06 a

 Cell volume, V (m3)

1.7 ± 0.3E−13 a

1.6 ± 0.2E−13 a

 Cell surface area, A (m2)

2.2 ± 0.4E−08 a

2.1 ± 0.3E−08 a

 ε (MPa)

4.0 ± 1.0 a

3.9 ± 1.2 a

 T1/2 (s)

1.8 ± 0.1 a

2.6 ± 0.6 b

Leaf epidermal cell

 Turgor pressure, P (MPa)

0.34 ± 0.05 a

0.32 ± 0.08 a

 Cell volume, V (m3)

1.1 ± 0.2E−13 a

1.2 ± 0.1E−13 a

 Cell surface area, A (m2)

1.7 ± 0.5E−08 a

1.6 ± 0.4E−08 a

 ε (MPa)

2.2 ± 1.1 a

2.3 ± 1.2 a

 T1/2 (s)

1.2 ± 0.2 a

1.7 ± 0.4 b

  1. Results are presented as mean ± SD (n = 30–60 cells). Different letters indicate significant differences (P < 0.05)
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