ArticleThe New phytologist2020
Divergent gene expression networks underlie morphological diversity of abscission zones in grasses.
Article in The New phytologist, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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21 citing papers in PubMed.
- Seed shattering habit in millets and the secrets of the abscission layer - a comprehensive review.Protoplasma · 2026Review
- GhNAC47 activates GhSKS6-mediated cell wall remodeling to promote cotton chemical defoliation.The New phytologist · 2026Article
- Dissecting morphological changes during floral abscission inAoB PLANTS · 2026Article
- A hierarchical abscission program regulates reproductive allocation inHorticulture research · 2026Article
- Practical RNA-Seq with Spike-Ins: A Bench-to-Bioinformatics Guide.Methods in molecular biology (Clifton, N.J.) · 2026Article
- Seed shattering in common buckwheat (Fagopyrum esculentum): insights from RNA-seq and morphological analysis.BMC plant biology · 2025Article
- Abscission zones: cellular interfaces for the programmed separation of organs.Annals of botany · 2025Review
- Transcriptome Analysis of the Seed Shattering Mechanism inPlants (Basel, Switzerland) · 2024Article
- SynGAP: a synteny-based toolkit for gene structure annotation polishing.Genome biology · 2024Article
- Phenotypic screening of seed retention and histological analysis of the abscission zone in Festuca pratensis and Lolium perenne.BMC plant biology · 2024Article
- Phylogenomic analysis reveals five independently evolved African forage grass clades in the genus Urochloa.Annals of botany · 2024Article
- Melica as an emerging model system for comparative studies in temperate Pooideae grasses.Annals of botany · 2023Article
- Transcriptomic approach to uncover dynamic events in the development of mid-season sunburn in apple fruit.G3 (Bethesda, Md.) · 2023Article
- Grain shattering by cell death and fracture in Eragrostis tef.Plant physiology · 2023Article
- Pleiotropic and nonredundant effects of an auxin importer in Setaria and maize.Plant physiology · 2022Article
- The unique disarticulation layer formed in the rachis of Aegilops longissima probably results from the spatial co-expression of Btr1 and Btr2.Annals of botany · 2021Article
- The rachis cannot hold, plants fall apart. A commentary on: 'The unique disarticulation layer formed in the rachis of Aegilops longissima likely results from the spatial co-expression of Btr1 and Btr2'.Annals of botany · 2021Article
- A genome resource for green millet Setaria viridis enables discovery of agronomically valuable loci.Nature biotechnology · 2020Article
- Environmental and trophic determinism of fruit abscission and outlook with climate change in tropical regions.Plant-environment interactions (Hoboken, N.J.) · 2020Article
- The anatomy of abscission zones is diverse among grass species.American journal of botany · 2020Article
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Abstract
Abscission is a process in which plants shed their parts, and is mediated by a particular set of cells, the abscission zone (AZ). In grasses (Poaceae), the position of the AZ differs among species, raising the question of whether its anatomical structure and genetic control are conserved. The ancestral position of the AZ was reconstructed. A combination of light microscopy, transmission electron microscopy, RNA-Seq analyses and RNA in situ hybridisation were used to compare three species, two (weedy rice and Brachypodium distachyon) with the AZ in the ancestral position and one (Setaria viridis) with the AZ in a derived position below a cluster of flowers (spikelet). Rice and Brachypodium are more similar anatomically than Setaria. However, the cell wall properties and the transcriptome of rice and Brachypodium are no more similar to each other than either is to Setaria. The set of genes expressed in the studied tissues is generally conserved across species, but the precise developmental and positional patterns of expression and gene networks are almost entirely different. Transcriptional regulation of AZ development appears to be extensively rewired among the three species, leading to distinct anatomical and morphological outcomes.
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