scholarly journals Redox Processes in the Blue Light Response of Guard Cell Protoplasts of Commelina communis L

1992 ◽  
Vol 98 (1) ◽  
pp. 34-38 ◽  
Author(s):  
Hélène Gautier ◽  
Alain Vavasseur ◽  
Gérard Lascève ◽  
Alain M. Boudet
Keyword(s):  
Blue Light ◽  
Guard Cell ◽  
Light Response ◽  
Redox Processes ◽  
Commelina Communis ◽  
Blue Light Response ◽  
Guard Cell Protoplasts

Modulation of the blue light response of stomata of Commelina communis by CO2

1993 ◽  
Vol 88 (3) ◽  
pp. 453-459 ◽  
Author(s):  
Gerard Lasceve ◽  
Helene Gautier ◽  
Jocelyne Jappe ◽  
Alain Vavasseur
Keyword(s):  
Blue Light ◽  
Light Response ◽  
Commelina Communis ◽  
Blue Light Response

Modulation of the blue light response of stomata of Commelina communis by CO2

1993 ◽  
Vol 88 (3) ◽  
pp. 453-459 ◽  
Author(s):  
Gerard Lasceve ◽  
Helene Gautier ◽  
Jocelyne Jappe ◽  
Alain Vavasseur
Keyword(s):  
Blue Light ◽  
Light Response ◽  
Commelina Communis ◽  
Blue Light Response

Blue light-dependent proton extrusion by guard-cell protoplasts of Vicia faba

Nature ◽  
1986 ◽  
Vol 319 (6051) ◽  
pp. 324-326 ◽  
Author(s):  
K. Shimazaki ◽  
M. Iino ◽  
E. Zeiger
Keyword(s):  
Vicia Faba ◽  
Blue Light ◽  
Guard Cell ◽  
Proton Extrusion ◽  
Guard Cell Protoplasts

scholarly journals Role of blue and red light in stomatal dynamic behaviour

2019 ◽  
Vol 71 (7) ◽  
pp. 2253-2269 ◽  
Author(s):  
Jack S A Matthews ◽  
Silvere Vialet-Chabrand ◽  
Tracy Lawson
Keyword(s):  
Blue Light ◽  
Red Light ◽  
Light Response ◽  
Early Morning ◽  
Stomatal Opening ◽  
Carbon Gain ◽  
Blue Light Response ◽  
Order Of Magnitude ◽  
Photosynthetic Responses ◽  
Novel Target

Abstract Plants experience changes in light intensity and quality due to variations in solar angle and shading from clouds and overlapping leaves. Stomatal opening to increasing irradiance is often an order of magnitude slower than photosynthetic responses, which can result in CO2 diffusional limitations on leaf photosynthesis, as well as unnecessary water loss when stomata continue to open after photosynthesis has reached saturation. Stomatal opening to light is driven by two distinct pathways; the ‘red’ or photosynthetic response that occurs at high fluence rates and saturates with photosynthesis, and is thought to be the main mechanism that coordinates stomatal behaviour with photosynthesis; and the guard cell-specific ‘blue’ light response that saturates at low fluence rates, and is often considered independent of photosynthesis, and important for early morning stomatal opening. Here we review the literature on these complicated signal transduction pathways and osmoregulatory processes in guard cells that are influenced by the light environment. We discuss the possibility of tuning the sensitivity and magnitude of stomatal response to blue light which potentially represents a novel target to develop ideotypes with the ‘ideal’ balance between carbon gain, evaporative cooling, and maintenance of hydraulic status that is crucial for maximizing crop performance and productivity.

Effects of Silicon on Stomatal Blue–Light Response in Rice (Oryza sativaL.)

1999 ◽  
Vol 2 (4) ◽  
pp. 232-234 ◽  
Author(s):  
Sakae Agarie ◽  
Hideki Uchida ◽  
Waichi Agata ◽  
Peter B. Kaufman
Keyword(s):  
Blue Light ◽  
Light Response ◽  
Blue Light Response

The occurrence of functional non-chlorophyllous guard cells in Paphiopedilum spp.

1975 ◽  
Vol 53 (1) ◽  
pp. 1-7 ◽  
Author(s):  
Sherman D. Nelson ◽  
James M. Mayo
Keyword(s):  
Fluorescence Microscopy ◽  
Blue Light ◽  
Guard Cell ◽  
Direct Evidence ◽  
Light Response ◽  
Guard Cells ◽  
Epidermal Cells ◽  
Stomatal Response ◽  
Intact Leaves ◽  
Stomatal Functioning

Hypostomatous lady slipper orchids, Paphiopedilum spp., were found to have non-chlorophyllous epidermal cells, including guard cells. The lack of chlorophyll within the guard cells was demonstrated by fluorescence microscopy. A "normal" chlorophyllous mesophyll was present. The leaf resistances of intact leaves were about 5–10 s cm−1 in the light and were greater than 100 s cm−1 in the dark, indicating light opening and dark closure of the stomata. A CO2-dependent stomatal response (i.e., a tendency to close at elevated CO2 levels) was demonstrated, as was a CO2-independent light response (i.e., greater opening in blue light than in red). This provides direct evidence to support the idea that guard cell chlorophyll is not necessary for stomatal functioning.

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