ArticleCurrent biology : CB2024
Photoperiod-1 regulates the wheat inflorescence transcriptome to influence spikelet architecture and flowering time.
Article in Current biology : CB, 2024. 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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13 citing papers in PubMed.
- Temporal GWAS and QTL mapping of UAV-derived digital canopy height reveals stage-specific genetic effects in bread wheat.Plant phenomics (Washington, D.C.) · 2026Article
- Spatial transcriptomics identifies distinct domains regulating yield-component traits of the wheat ear.Science advances · 2026Article
- VERNALIZATION2 alters early tiller development in a facultative spring hexaploid bread wheat.The New phytologist · 2026Article
- Scaling law links plant growth variation to grain yield in wheat stands.The New phytologist · 2026Article
- CATION AMINO ACID TRANSPORTER1 encodes an arginine transporter whose expression is influenced by daylength and Photoperiod-1.Annals of botany · 2026Article
- Grass inflorescence morphodynamics guides yield improvement in wheat.Nature plants · 2026Article
- A circadian repressor promotes flowering via dual repression: PtTOC suppresses the floral inhibitor PtTFL2 in Pinus tabuliformis.BMC plant biology · 2026Article
- Delayed sowing limits grain number per spike in wheat by restricting young spike differentiation through reduced photothermal resources.Frontiers in plant science · 2026Article
- Population-scale gene expression analysis reveals the contribution of expression diversity to the modern wheat improvement.Nature communications · 2025Article
- Fine-tuning wheat development for the winter to spring transition.Plant communications · 2025Article
- Transcriptome Profiling of Spike Development Reveals Key Genes and Pathways Associated with Early Heading in Wheat-Plants (Basel, Switzerland) · 2025Article
- Molecular genetic regulation of the vegetative-generative transition in wheat from an environmental perspective.Annals of botany · 2025Review
- Historic rewiring of grass flowering time pathways and implications for crop improvement under climate change.The New phytologist · 2025Review
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8 authors.
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Abstract
Photoperiod insensitivity has been selected by breeders to help adapt crops to diverse environments and farming practices. In wheat, insensitive alleles of Photoperiod-1 (Ppd-1) relieve the requirement of long daylengths to flower by promoting expression of floral promoting genes early in the season; however, these alleles also limit yield by reducing the number and fertility of grain-producing florets through processes that are poorly understood. Here, we performed transcriptome analysis of the developing inflorescence using near-isogenic lines that contain either photoperiod-insensitive or null alleles of Ppd-1, during stages when spikelet number is determined and floret development initiates. We report that Ppd-1 influences the stage-specific expression of genes with roles in auxin signaling, meristem identity, and protein turnover, and analysis of differentially expressed transcripts identified bZIP and ALOG transcription factors, namely PDB1 and ALOG1, which regulate flowering time and spikelet architecture. These findings enhance our understanding of genes that regulate inflorescence development and introduce new targets for improving yield potential.
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