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Table 3 Analysis of maximal conductance (g max ), gating charge (δ), half maximal voltage (V 1/2 ) of I K,in and I K,out for the Arabidopsis lines Col-0, nia1nia2 , QC3, QL3, kc1-3, syp121, syp121ox, and dhar1-3 in both opening and non-condition

From: Protocol: optimised electrophyiological analysis of intact guard cells from Arabidopsis

Channel Parameters Average of 8 lines Col-0   nia1nia2   QC3  
   Control Pretreatment Control Pretreatment Control Pretreatment Control Pretreatment
IK,in gmax
(mS cm-2)
2.3±0.1
(103)
2.0±0.2
(67)
2.2±0.2
(26)
2.6±0.2*
(15)
0.3±0.1
(10)
0.9±0.1**
(36)
3.4±0.3
(21)
3.2±0.2
(13)
  δ 2.2±0.1
(103)
1.9±0.1*
(67)
2.4±0.1
(26)
2.0±0.1*
(15)
1.1±0.2
(10)
1.9±0.1**
(36)
2.1±0.2
(21)
1.9±0.2
(13)
  V1/2
(mV)
-186±2.1
(103)
-182±1.6
(67)
-185±3
(26)
-182±2
(15)
-180±10
(10)
-179±2.5
(36)
-185±4.3
(21)
188±2.6
(13)
IK,out gmax
(mS cm-2)
3.0±0.1
(103)
3.5±0.1*
(67)
2.6±0.2
(26)
3.8±0.6**
(15)
2.7±0.3
(10)
3.6±0.2*
(36)
3.9±0.3
(21)
3.5±0.3
(13)
  δ 1.6±0.1
(103)
1.6±0.1
(67)
1.8±0.1
(26)
1.6±0.1
(15)
1.5±0.1
(10)
1.5±0.1
(36)
1.5±0.2
(21)
1.5±0.2
(13)
  V1/2
(mV)
0.9±1.7
(103)
-3.6±1.7
(67)
6.0±2.6
(26)
0.4±2.3
(15)
-10±4.6
(10)
-2.4±2.4
(36)
-4.1±4.1
(21)
-6.5±5.7
(13)
  1. Data are means ± SE of (n) experiments.
  2. * P < 0.05; **P < 0.01 as compared with control.