ArticlePlant, cell & environment2021
Naturally occurring circadian rhythm variation associated with clock gene loci in Swedish Arabidopsis accessions.
Article in Plant, cell & environment, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 32 citations in OpenAlex.
- A noncoding SNP in ELF3 alters ELF3β expression and confers adaptation of Arabidopsis to a continental climate.Plant physiology · 2026Article
- Early birds and night owls: natural variation of circadian traits in plants.Journal of experimental botany · 2026Review
- Machine learning models highlight environmental and genetic factors associated with the Arabidopsis circadian clock.Nature communications · 2025Article
- Fungal and algal lichen symbionts show different transcriptional expression patterns in two climate zones.Proceedings. Biological sciences · 2025Article
- The circadian clock participates in seasonal growth in Norway spruce (Picea abies).Tree physiology · 2024Article
- Evaluating the Adaptive Fitness of Circadian Clocks and their Evolution.Journal of biological rhythms · 2024Review
- Unlocking allelic variation in circadian clock genes to develop environmentally robust and productive crops.Planta · 2024Review
- Article
- Systems-level proteomics and metabolomics reveals the diel molecular landscape of diverse kale cultivars.Frontiers in plant science · 2023Article
- Circadian and diel regulation of photosynthesis in the bryophyte Marchantia polymorpha.Plant, cell & environment · 2022Article
- Circadian-period variation underlies the local adaptation of photoperiodism in the short-day plantiScience · 2022Article
- Naturally occurring circadian rhythm variation associated with clock gene loci in Swedish Arabidopsis accessions.Plant, cell & environment · 2021Article
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Authors and funding
4 authors at 3 institutions in 1 country.
Funding
Abstract
Circadian clocks have evolved to resonate with external day and night cycles. However, these entrainment signals are not consistent everywhere and vary with latitude, climate and seasonality. This leads to divergent selection for clocks which are locally adapted. To investigate the genetic basis for this circadian variation, we used a delayed fluorescence imaging assay to screen 191 naturally occurring Swedish Arabidopsis accessions for their circadian phenotypes. We demonstrate that the period length co-varies with both geography and population sub-structure. Several candidate loci linked to period, phase and relative amplitude error (RAE) were revealed by genome-wide association mapping and candidate genes were investigated using TDNA mutants. We show that natural variation in a single non-synonymous substitution within COR28 is associated with a long-period and late-flowering phenotype similar to that seen in TDNA knock-out mutants. COR28 is a known coordinator of flowering time, freezing tolerance and the circadian clock; all of which may form selective pressure gradients across Sweden. We demonstrate the effect of the COR28-58S SNP in increasing period length through a co-segregation analysis. Finally, we show that period phenotypic tails remain diverged under lower temperatures and follow a distinctive "arrow-shaped" trend indicative of selection for a cold-biased temperature compensation response.
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