ArticleMolecular genetics and genomics : MGG2011
Comparative sequence analysis of VRN1 alleles of Lolium perenne with the co-linear regions in barley, wheat, and rice.
Article in Molecular genetics and genomics : MGG, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Genetic dissection of root traits in barley identifies major QTLs and domestication signature.Plant cell reports · 2026Article
- Chromosome-scale assembly and annotation of the perennial ryegrass genome.BMC genomics · 2022Article
- Identification and Characterization of Perennial Ryegrass (Frontiers in plant science · 2021Article
- Parallelism and convergence in post-domestication adaptation in cereal grasses.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2019Review
- Article
- The role of seasonal flowering responses in adaptation of grasses to temperate climates.Frontiers in plant science · 2014Review
- Nucleotide diversity of vernalization and flowering-time-related genes in a germplasm collection of meadow fescue (Festuca pratensis Huds. syn. Lolium pratense (Huds.) Darbysh.).Ecology and evolution · 2013Article
- Low temperatures induce rapid changes in chromatin state and transcript levels of the cereal VERNALIZATION1 gene.Journal of experimental botany · 2013Article
- The perennial ryegrass GenomeZipper: targeted use of genome resources for comparative grass genomics.Plant physiology · 2013Article
- Integrating cereal genomics to support innovation in the Triticeae.Functional & integrative genomics · 2012Review
- HapAsmbl: A reference-aided pipeline for assembling haplotypes in Nanopore amplicon sequence data of polymorphic populations.Applications in plant sciencesArticle
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10 authors.
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Abstract
Vernalization, a period of low temperature to induce transition from vegetative to reproductive state, is an important environmental stimulus for many cool season grasses. A key gene in the vernalization pathway in grasses is the VRN1 gene. The objective of this study was to identify causative polymorphism(s) at the VRN1 locus in perennial ryegrass (Lolium perenne) for variation in vernalization requirement. Two allelic Bacterial Artificial Chromosome clones of the VRN1 locus from the two genotypes Veyo and Falster with contrasting vernalization requirements were identified, sequenced, and characterized. Analysis of the allelic sequences identified an 8.6-kb deletion in the first intron of the VRN1 gene in the Veyo genotype which has low vernalization requirement. This deletion was in a divergent recurrent selection experiment confirmed to be associated with genotypes with low vernalization requirement. The region surrounding the VRN1 locus in perennial ryegrass showed microcolinearity to the corresponding region on chromosome 3 in Oryza sativa with conserved gene order and orientation, while the micro-colinearity to the corresponding region in Triticum monococcum was less conserved. Our study indicates that the first intron of the VRN1 gene, and in particular the identified 8.6 kb region, is an important regulatory region for vernalization response in perennial ryegrass.
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