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Understanding the biophysical limitations of mesophyll and hydraulic conductance in leaves
, 2017 Biophysical limitations to water and carbon dioxide movement within leaves - hydraulic resistance and mesophyll resistance - pose significant restrictions on photosynthetic capacity. Maximising the inverse of these resistances - leaf hydraulic conductance and mesophyll conductance - across a range of environmental conditions is therefore paramount for ...
Loucos, Karen
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Mesophyll conductance to CO2 in Arabidopsis thaliana
New Phytologist, 2007The close rosette growth form, short petioles and small leaves of Arabidopsis thaliana make measurements with commercial gas exchange cuvettes difficult. This difficulty can be overcome by growing A. thaliana plants in 'ice-cream cone-like' soil pots. This design permitted simultaneous gas exchange and chlorophyll fluorescence measurements from which ...
Flexas, Jaume +5 more
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Variability in mesophyll conductance to CO2 in grain legumes [PDF]
, 2017 Mesophyll conductance (gm) limits the diffusion of CO2 from sub-stomatal cavities to the carboxylation site and is a significant limitation to photosynthesis. However, there is a lack of complete understanding of gm variability and its regulation under different environmental conditions, and relevant studies in grain legumes are scarce.
Shrestha, Arjina
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Estimation of Mesophyll Conductance and Its Applications
2016CO2 travels from the atmosphere through stomata to the carboxylation sites where CO2 is fixed (Figure 4.1). During this diffusional process, CO2 travels through the leaf boundary layer, stomata, mesophyll cell wall, mesophyll plasmalemma, and cytosol and chloroplast membranes. Carbonic anhydrase catalyzes the reversible hydration of CO2 to HCO3
Kodama, Naomi, Yamori, Wataru
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Leaf hydraulic conductance and mesophyll conductance are not closely related within a single species
Plant, Cell & Environment, 2016AbstractStomata represent one resistor in a series of resistances for carbon and water exchange between the leaf and the atmosphere; the remaining resistors occurring within the leaf, commonly represented as mesophyll conductance to CO2, gm, and leaf hydraulic conductance, kLeaf.
Karen E, Loucos +2 more
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[Mesophyll conductance to CO2: Methods and current knowledge].
Ying yong sheng tai xue bao = The journal of applied ecology, 2021Mesophyll conductance (gm), the total conductance of CO2 diffusion from substomatal cavity to the site of carboxylation within chloroplast, is a major limiting factor for photosynthesis and a key parameter for improving photosynthetic resource use efficiency of crops.
Xiao-Ying, Gong +3 more
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The Plant Journal, 2022
SUMMARYAlthough mesophyll conductance (gm) is known to be sensitive to temperature (T), the mechanisms underlying the temperature response of gm are not fully understood. In particular, it has yet to be established whether interspecific variation in gm–T relationships is associated with mesophyll anatomy and vein traits.
Guanjun Huang +6 more
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SUMMARYAlthough mesophyll conductance (gm) is known to be sensitive to temperature (T), the mechanisms underlying the temperature response of gm are not fully understood. In particular, it has yet to be established whether interspecific variation in gm–T relationships is associated with mesophyll anatomy and vein traits.
Guanjun Huang +6 more
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Photosynthesis Research, 2019
The temperature response of mesophyll conductance to CO2 diffusion (gm) has been shown to vary considerably between species but remains poorly understood. Here, we tested the hypothesis that increases in chloroplast surface area with increasing temperature, due to the formation of chloroplast protrusions, caused observed positive responses of gm to ...
Arjina, Shrestha +2 more
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The temperature response of mesophyll conductance to CO2 diffusion (gm) has been shown to vary considerably between species but remains poorly understood. Here, we tested the hypothesis that increases in chloroplast surface area with increasing temperature, due to the formation of chloroplast protrusions, caused observed positive responses of gm to ...
Arjina, Shrestha +2 more
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Genetic control of mesophyll conductance in common wheat
New Phytologist, 2015Margaret M, Barbour +4 more
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