ArticleNature communications2025
CLAVATA signalling shapes barley inflorescence by controlling activity and determinacy of shoot meristem and rachilla.
Article in Nature communications, 2025. 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.
- Auxin-related regulation of barley floral organ fate: genetic and phenotypic insights from tweaky spike mutants.The New phytologist · 2026Article
- Golden Promise-rapid, a fast-cycling and transformable barley genotype.Journal of experimental botany · 2026Article
- Spatial transcriptomics identifies distinct domains regulating yield-component traits of the wheat ear.Science advances · 2026Article
- The developing leaf of the wild grass Brachypodium distachyon at single-cell resolution.The Plant cell · 2026Article
- Imputation integrates single-cell and spatial gene expression data to resolve transcriptional networks in barley shoot meristem development.Nature plants · 2026Article
- Novel genome editing approaches to manipulate apical meristem activity for crop yield.Frontiers in plant science · 2026Review
- CLE pathways in plant development: recent advances and future perspectives.Journal of experimental botany · 2025Review
- Article
- How meristems shape plant architecture in cereals-Cereal Stem Cell Systems (CSCS) Consortium.The Plant cell · 2025Review
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Authors and funding
14 authors.
Funding
Abstract
The large variety of inflorescence architectures evolved in grasses depends on shape, longevity and determinacy of meristems directing growth of the main and lateral axes. The CLAVATA pathway is known to regulate meristem size and inflorescence architecture in grasses. However, how individual meristem activities are determined and integrated to generate specific inflorescences is not yet understood. We found that activity of distinct meristems in the barley inflorescence is controlled by a signalling pathway comprising the receptor-like kinase Hordeum vulgare CLAVATA1 (HvCLV1) and the secreted CLAVATA3/EMBRYO-SURROUNDING REGION RELATED (CLE)-family peptide FON2-LIKE CLE PROTEIN1 (HvFCP1). HvFCP1 and HvCLV1 interact to promote spikelet formation, but restrict inflorescence meristem and rachilla proliferation. Hvfcp1 or Hvclv1 mutants generate additional rows of spikelets and supernumerary florets from extended rachilla activity. HvFCP1/HvCLV1 signalling coordinates meristem activity through regulation of trehalose-6-phosphate levels. Our discoveries outline a path to engineer inflorescence architecture via specific regulation of distinct meristem activities.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.