ArticleJournal of experimental botany2023
Stomatal properties of Arabidopsis cauline and rice flag leaves and their contributions to seed production and grain yield.
Article in Journal of experimental botany, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Sinapoylglucose: malate sinapoyltransferase SNG1 negatively regulates drought resistance by crosstalk with abscisic acid signaling in Arabidopsis.The Plant journal : for cell and molecular biology · 2026Article
- Analysis of Cauline Leaf Development inBio-protocol · 2026Article
- The potential of wheat spatial omics.Nature genetics · 2026Review
- Redundant functions of miR156-targeted SQUAMOSA PROMOTER BINDING PROTEIN-LIKE transcription factors in promoting cauline leaf identity.The New phytologist · 2025Article
- The near-optimal adjustment of carbon and nitrogen allocations into different organs in early-season rice cultivars with drastically different yield components under nitrogen application.Frontiers in plant science · 2025Article
- Modulation of cell differentiation and growth underlies the shift from bud protection to light capture in cauline leaves.Plant physiology · 2024Article
Corrections and comments
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Authors and funding
3 authors.
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Abstract
Cauline leaves on the inflorescence stem of Arabidopsis thaliana may play important roles in supplying photosynthetic products to sinks, such as floral organs. Flag leaves in rice (Oryza sativa) have a higher photosynthetic capacity than other leaves, and are crucial for increasing grain yield. However, the detailed properties of stomata in cauline and flag leaves have not been investigated. In Arabidopsis, stomatal conductance and CO2 assimilation rate were higher in cauline leaves under white light than in rosette leaves, consistent with higher levels of plasma membrane (PM) H+-ATPase, a key enzyme for stomatal opening, in guard cells. Moreover, removal of cauline leaves significantly reduced the shoot biomass by approximately 20% and seed production by approximately 46%. In rice, higher stomatal density, stomatal conductance, and CO2 assimilation rate were observed in flag leaves than in fully expanded second leaves. Removal of the flag leaves significantly reduced grain yield by approximately 49%. Taken together, these results show that cauline and flag leaves have important roles in seed production and grain yield through enhanced stomatal conductance and CO2 assimilation rate.
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