ArticleAnnals of botany2021
Genome size evolution is associated with climate seasonality and glucosinolates, but not life history, soil nutrients or range size, across a clade of mustards.
Article in Annals of botany, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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19 citing papers in PubMed.
- Biogeographic cline is associated with the global plant telomere length variation.bioRxiv : the preprint server for biology · 2026Article
- Specimen-tailored 'lived' climate reveals precipitation onset and amount best predict specimen phenology, but only weakly predict estimated reproduction across a clade.The New phytologist · 2026Article
- Article
- Evolutionary history and climate-driven dynamics of transposable elements has shaped genome evolution in the Coffea genus.Scientific reports · 2026Article
- Evolution of Repetitive Genomic Content and Gene Families Over Geo-Climatic Gradients in Brassicaceae.Ecology and evolution · 2025Article
- Herbarium specimens reveal a constrained seasonal climate niche despite diverged annual climates across a wildflower clade.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Plastomic studies inform the mechanisms of edaphic adaptation in North American species in the tribe Thelypodieae (Brassicaceae).American journal of botany · 2025Article
- Repeat competition and ecological shifts drive the evolution of the mobilome in Rhynchospora Vahl (Cyperaceae), the holocentric beaksedges.Annals of botany · 2025Article
- A chromosome-level genome assembly of the varied leaved jewelflower, Streptanthus diversifolius, reveals a recent whole genome duplication.G3 (Bethesda, Md.) · 2025Article
- Spatial and Temporal Variation of Precipitation Drives the Genome Size Variation inEcology and evolution · 2024Article
- Complementing model species with model clades.The Plant cell · 2024Review
- The evolutionary history of three Baracoffea species from western Madagascar revealed by chloroplast and nuclear genomes.PloS one · 2024Article
- Complex patterns of ploidy in a holocentric plant clade (Schoenus, Cyperaceae) in the Cape biodiversity hotspot.Annals of botany · 2023Article
- Chromosome size matters: genome evolution in the cyperid clade.Annals of botany · 2022Article
- Genome Size Variation inPlants (Basel, Switzerland) · 2022Article
- The nature of intraspecific and interspecific genome size variation in taxonomically complex eyebrights.Annals of botany · 2021Article
- Comparative phylogenetics of repetitive elements in a diverse order of flowering plants (Brassicales).G3 (Bethesda, Md.) · 2021Article
- Multiple Drivers of High Species Diversity and Endemism AmongFrontiers in plant science · 2021Article
- Chromosome-scale reference genome ofApplications in plant sciencesArticle
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4 authors.
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Abstract
BACKGROUND AND
aimsWe investigate patterns of evolution of genome size across a morphologically and ecologically diverse clade of Brassicaceae, in relation to ecological and life history traits. While numerous hypotheses have been put forward regarding autecological and environmental factors that could favour small vs. large genomes, a challenge in understanding genome size evolution in plants is that many hypothesized selective agents are intercorrelated.
methodsWe contribute genome size estimates for 47 species of Streptanthus Nutt. and close relatives, and take advantage of many data collections for this group to assemble data on climate, life history, soil affinity and composition, geographic range and plant secondary chemistry to identify simultaneous correlates of variation in genome size in an evolutionary framework. We assess models of evolution across clades and use phylogenetically informed analyses as well as model selection and information criteria approaches to identify variables that can best explain genome size variation in this clade. KEY
resultsWe find differences in genome size and heterogeneity in its rate of evolution across subclades of Streptanthus and close relatives. We show that clade-wide genome size is positively associated with climate seasonality and glucosinolate compounds. Model selection and information criteria approaches identify a best model that includes temperature seasonality and fraction of aliphatic glucosinolates, suggesting a possible role for genome size in climatic adaptation or a role for biotic interactions in shaping the evolution of genome size. We find no evidence supporting hypotheses of life history, range size or soil nutrients as forces shaping genome size in this system.
conclusionsOur findings suggest climate seasonality and biotic interactions as potential forces shaping the evolution of genome size and highlight the importance of evaluating multiple factors in the context of phylogeny to understand the effect of possible selective agents on genome size.
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