ArticleFrontiers in plant science2013
Early inflorescence development in the grasses (Poaceae).
Article in Frontiers in plant science, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 43 papers.
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Who cites it
43 citing papers in PubMed.
- Chromosome-level Streptochaeta genome elucidates the ancestral karyotype and allopolyploid origin of grasses.Nature communications · 2026Article
- Morphological basis for the development of pistillate and staminate florets in a dioecious species of Poa (Poeae, Pooideae, Poaceae).Plant reproduction · 2026Article
- Imputation integrates single-cell and spatial gene expression data to resolve transcriptional networks in barley shoot meristem development.Nature plants · 2026Article
- Article
- Harnessing Single-Cell and Spatial Transcriptomics for Crop Improvement.Plants (Basel, Switzerland) · 2024Review
- HOMEOBOX2, the paralog of SIX-ROWED SPIKE1/HOMEOBOX1, is dispensable for barley spikelet development.Journal of experimental botany · 2024Article
- PhytoKeys · 2024Article
- SpykProps: an imaging pipeline to quantify architecture in unilateral grass inflorescences.Plant methods · 2023Article
- Delayed development of basal spikelets in wheat explains their increased floret abortion and rudimentary nature.Journal of experimental botany · 2023Article
- Transcriptome and DNA methylome divergence of inflorescence development between 2 ecotypes in Panicum hallii.Plant physiology · 2023Article
- Form follows function in Triticeae inflorescences.Breeding science · 2023Article
- Interspecies transfer of RAMOSA1 orthologs and promoter cis sequences impacts maize inflorescence architecture.Plant physiology · 2023Article
- Ontogeny and anatomy of Bouteloua (Poaceae: Chloridoideae) species display a basipetal branch formation and a novel modified leaf structure in grasses.Annals of botany · 2022Article
- Genetic control of branching patterns in grass inflorescences.The Plant cell · 2022Review
- High expression of the MADS-box gene VRT2 increases the number of rudimentary basal spikelets in wheat.Plant physiology · 2022Article
- X-ray microscopy enables multiscale high-resolution 3D imaging of plant cells, tissues, and organs.Plant physiology · 2022Article
- The barley mutant multiflorus2.b reveals quantitative genetic variation for new spikelet architecture.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Brachypodium distachyon UNICULME4 and LAXATUM-A are redundantly required for development.Plant physiology · 2022Article
- Genome-wide identification of loci modifying spike-branching in tetraploid wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Article
- Transcriptional landscapes of floral meristems in barley.Science advances · 2021Article
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The shoot apical meristem of grasses produces the primary branches of the inflorescence, controlling inflorescence architecture and hence seed production. Whereas leaves are produced in a distichous pattern, with the primordia separated from each other by an angle of 180°, inflorescence branches are produced in a spiral in most species. The morphology and developmental genetics of the shift in phyllotaxis have been studied extensively in maize and rice. However, in wheat, Brachypodium, and oats, all in the grass subfamily Pooideae, the change in phyllotaxis does not occur; primary inflorescence branches are produced distichously. It is unknown whether the distichous inflorescence originated at the base of Pooideae, or whether it appeared several times independently. In this study, we show that Brachyelytrum, the genus sister to all other Pooideae has spiral phyllotaxis in the inflorescence, but that in the remaining 3000+ species of Pooideae, the phyllotaxis is two-ranked. These two-ranked inflorescences are not perfectly symmetrical, and have a clear "front" and "back;" this developmental axis has never been described in the literature and it is unclear what establishes its polarity. Strictly distichous inflorescences appear somewhat later in the evolution of the subfamily. Two-ranked inflorescences also appear in a few grass outgroups and sporadically elsewhere in the family, but unlike in Pooideae do not generally correlate with a major radiation of species. After production of branches, the inflorescence meristem may be converted to a spikelet meristem or may simply abort; this developmental decision appears to be independent of the branching pattern.
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