ArticlePlant physiology2023
Compartmentation of photosynthesis gene expression in C4 maize depends on time of day.
Article in Plant physiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 19 citations in OpenAlex.
- Diurnal dynamics of maize gene expression is associated with phyllosphere microbiome composition.International microbiology : the official journal of the Spanish Society for Microbiology · 2026Article
- A milestone in C4 carbon concentration mechanism evolution: structural remodeling of NADP-malic enzyme in Poaceae.Molecular biology and evolution · 2026Article
- Intercellular compartmentation of trehalose 6-phosphate metabolism in Setaria viridis leaves.Journal of experimental botany · 2025Article
- Single-nuclei sequencing of Moricandia arvensis reveals bundle sheath cell function in the photorespiratory shuttle of C3-C4 intermediate Brassicaceae.Journal of experimental botany · 2025Article
- Quantitative genetics of photosynthetic trait variation in maize.Journal of experimental botany · 2025Article
- Adaptability of Foxtail Millet Varieties Based on Photosynthetic Performance and Agronomic Traits.Plants (Basel, Switzerland) · 2025Article
- Article
- Investigating theProceedings of the National Academy of Sciences of the United States of America · 2024Article
- Investigating thebioRxiv : the preprint server for biology · 2024Article
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Authors and funding
11 authors at 2 institutions in 2 countries.
Funding
Abstract
Compared with the ancestral C3 state, C4 photosynthesis occurs at higher rates with improved water and nitrogen use efficiencies. In both C3 and C4 plants, rates of photosynthesis increase with light intensity and are maximal around midday. We determined that in the absence of light or temperature fluctuations, photosynthesis in maize (Zea mays) peaks in the middle of the subjective photoperiod. To investigate the molecular processes associated with these temporal changes, we performed RNA sequencing of maize mesophyll and bundle sheath strands over a 24-h time course. Preferential expression of C4 cycle genes in these cell types was strongest between 6 and 10 h after dawn when rates of photosynthesis were highest. For the bundle sheath, DNA motif enrichment and gene coexpression analyses suggested members of the DNA binding with one finger (DOF) and MADS (MINICHROMOSOME MAINTENANCE FACTOR 1/AGAMOUS/DEFICIENS/Serum Response Factor)-domain transcription factor families mediate diurnal fluctuations in C4 gene expression, while trans-activation assays in planta confirmed their ability to activate promoter fragments from bundle sheath expressed genes. The work thus identifies transcriptional regulators and peaks in cell-specific C4 gene expression coincident with maximum rates of photosynthesis in the maize leaf at midday.
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