ArticleJournal of experimental botany2018
Mesophyll conductance in cotton bracts: anatomically determined internal CO2 diffusion constraints on photosynthesis.
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 13 papers.
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Who cites it
13 citing papers in PubMed.
- Elevated COPlants (Basel, Switzerland) · 2026Article
- Suppressing GhCKX optimizes the trade-off between photosynthesis and water use efficiency in cotton mature leaves under drought.The Plant journal : for cell and molecular biology · 2026Article
- Boundary-line trade-off in bryophytes between UV photoprotection and photosynthetic capacity, but not desiccation tolerance.Annals of botany · 2026Article
- COPlanta · 2023Review
- Article
- Leaf trait covariation and controls on leaf mass per area (LMA) following cotton domestication.Annals of botany · 2022Article
- Desiccation tolerance in bryophytes relates to elasticity but is independent of cell wall thickness and photosynthesis.Physiologia plantarum · 2022Article
- Higher COFrontiers in plant science · 2022Article
- Boll-leaf system gas exchange and its application in the analysis of cotton photosynthetic function.Photosynthesis research · 2021Article
- Physiological and Transcriptomic Analyses Revealed the Implications of Abscisic Acid in Mediating the Rate-Limiting Step for Photosynthetic Carbon Dioxide Utilisation in Response to Vapour Pressure Deficit inFrontiers in plant science · 2021Article
- Effects of nitrogen additions on mesophyll and stomatal conductance in Manchurian ash and Mongolian oak.Scientific reports · 2020Article
- Cellular perspectives for improving mesophyll conductance.The Plant journal : for cell and molecular biology · 2020Review
- A Method to Quantify Relative Stomatal, Mesophyll, and Biochemical Limitations to CPhysiologia plantarumArticle
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7 authors.
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Abstract
Mesophyll conductance (gm) has been shown to affect photosynthetic capacity and thus the estimates of terrestrial carbon balance. While there have been some attempts to model gm at the leaf and larger scales, the potential contribution of gm to the photosynthesis of non-leaf green organs has not been studied. Here, we investigated the influence of gm on photosynthesis of cotton bracts and how it in turn is influenced by anatomical structures, by comparing leaf palisade and spongy mesophyll with bract tissue. Our results showed that photosynthetic capacity in bracts is much lower than in leaves, and that gm is a limiting factor for bract photosynthesis to a similar extent to stomatal conductance. Bract and the spongy tissue of leaves have lower mesophyll conductance than leaf palisade tissue due to the greater volume fraction of intercellular air spaces, smaller chloroplasts, lower surface area of mesophyll cells and chloroplasts exposed to leaf intercellular air spaces and, perhaps, lower membrane permeability. Comparing bracts with leaf spongy tissue, although bracts have a larger cell wall thickness, they have a similar gm estimated from anatomical characteristics, likely due to the cumulative compensatory effects of subtle differences in each subcellular component, especially chloroplast traits. These results provide the first evidence for anatomical constraints on gm and photosynthesis in non-leaf green organs.
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