ArticleJournal of experimental botany2018
The response of mesophyll conductance to short-term variation in CO2 in the C4 plants Setaria viridis and Zea mays.
Article in Journal of experimental botany, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
10 citing papers in PubMed, 29 citations in OpenAlex.
- Rapid dehydration drives a nondiffusional drop in CThe New phytologist · 2026Article
- Fast dehydration reduces bundle sheath conductance in CThe New phytologist · 2024Article
- Exploring the potential of Δ17O in CO2 for determining mesophyll conductance.Plant physiology · 2023Article
- Mesophyll conductance response to short-term changes in pCOThe New phytologist · 2022Article
- LeafamineInternational journal of molecular sciences · 2022Article
- Multi-omics intervention inFrontiers in plant science · 2022Review
- Photosynthesis research under climate change.Photosynthesis research · 2021Review
- High light and temperature reduce photosynthetic efficiency through different mechanisms in the CCommunications biology · 2021Article
- Leaf scale quantification of the effect of photosynthetic gas exchange on ΔScientific reports · 2021Article
- The carbon isotopic signature of CTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Review
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Mesophyll conductance (gm) limits rates of C3 photosynthesis but little is known about its role in C4 photosynthesis. If gm were to limit C4 photosynthesis, it would likely be at low CO2 concentrations (pCO2). However, data on C4-gm across ranges of pCO2 are scarce. We describe the response of C4-gm to short-term variation in pCO2, at three temperatures in Setaria viridis, and at 25 °C in Zea mays. Additionally, we quantified the effect of finite gm calculations of leakiness (ϕ) and the potential limitations to photosynthesis imposed by stomata, mesophyll, and carbonic anhydrase (CA) across pCO2. In both species, gm increased with decreasing pCO2. Including a finite gm resulted in either no change or increased ϕ compared with values calculated with infinite gm depending on whether the observed 13C discrimination was high (Setaria) or low (Zea). Post-transitional regulation of the maximal PEP carboxylation rate and PEP regeneration limitation could influence estimates of gm and ϕ. At pCO2 below ambient, the photosynthetic rate was limited by CO2 availability. In this case, the limitation imposed by the mesophyll was similar or slightly lower than stomata limitation. At very low pCO2, CA further constrained photosynthesis. High gm could increase CO2 assimilation at low pCO2 and improve photosynthetic efficiency under situations when CO2 is limited, such as drought.
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