ArticleDevelopment (Cambridge, England)2023
The maize preligule band is subdivided into distinct domains with contrasting cellular properties prior to ligule outgrowth.
Article in Development (Cambridge, England), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 7 citations in OpenAlex.
- A single-nucleus atlas of ligular region uncovers brassinosteroid-driven cell fate transitions controlling leaf angle in maize.Nature communications · 2026Article
- Genome-wide identification of the AINTEGUMENTA-like gene family and functional characterization of ZmANT1 in regulating leaf length in maize.BMC plant biology · 2026Article
- Cell fate acquisition at a de novo developmental boundary in the maize leaf.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- Unlocking grass leaf development: foundations for tunable cereal design.The New phytologist · 2025Review
- Constitutive down-regulation of liguleless alleles in sorghum drives increased productivity and water use efficiency.Plant biotechnology journal · 2025Article
- Roles of auxin pathways in maize biology.Journal of experimental botany · 2023Review
- Subcellular positioning during cell division and cell plate formation in maize.Frontiers in plant science · 2023Article
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Authors and funding
8 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The maize ligule is an epidermis-derived structure that arises from the preligule band (PLB) at a boundary between the blade and sheath. A hinge-like auricle also develops immediately distal to the ligule and contributes to blade angle. Here, we characterize the stages of PLB and early ligule development in terms of topography, cell area, division orientation, cell wall rigidity and auxin response dynamics. Differential thickening of epidermal cells and localized periclinal divisions contributed to the formation of a ridge within the PLB, which ultimately produces the ligule fringe. Patterns in cell wall rigidity were consistent with the subdivision of the PLB into two regions along a distinct line positioned at the nascent ridge. The proximal region produces the ligule, while the distal region contributes to one epidermal face of the auricles. Although the auxin transporter PIN1 accumulated in the PLB, observed differential auxin transcriptional response did not underlie the partitioning of the PLB. Our data demonstrate that two zones with contrasting cellular properties, the preligule and preauricle, are specified within the ligular region before ligule outgrowth.
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