ArticleBMC plant biology2025
Pollen and anther morphological variation in rye was shaped by domestication.
Article in BMC plant biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Influence of long-term nutrient deficiency on pollen and anther morphological traits in rye.Journal of experimental botany · 2026Article
- Analyzing Pollen with Multispectral Imaging Flow Cytometry (MIFC).Methods in molecular biology (Clifton, N.J.) · 2026Article
- Population-wide single-pollen nuclei genotyping in rye sheds light on the genetic basis and environmental plasticity of meiotic recombination.The New phytologist · 2026Article
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13 authors.
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Abstract
backgroundIn plants and animals, pollen or sperm morphology differ greatly between species. Across plant species, pollen morphological diversity is broadly linked to different pollination systems. However, the extent of within-species diversity is less well understood. To address this question, we explored pollen and anther diversity in rye (Secale cereale L.), a wind-pollinating grass species.
resultsWe analysed 339 domesticated, feral and wild rye individuals of 64 diverse accessions. Population structure analysis revealed a differentiation gradient from wild to domesticated rye. We found pronounced within-species diversity of pollen and anther morphology. Genome-wide association scans uncovered a polygenic architecture of pollen and anther traits, with medium to high heritability and mostly small-effect loci. A subset of these loci overlapped with previously identified domestication loci, for which the underlying traits were unknown. A P
conclusionOur work shows that selection for larger pollen grains and longer anthers occurred throughout rye domestication. The present study extends our knowledge of the genetic architecture underlying within-species pollen and anther morphological diversity, and further unravels domestication traits in rye.
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