ArticleFrontiers in plant science2014
HvFT1 polymorphism and effect-survey of barley germplasm and expression analysis.
Article in Frontiers in plant science, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed.
- Advancing understanding of oat phenology for crop adaptation.Frontiers in plant science · 2022Review
- Hybrids Provide More Options for Fine-Tuning Flowering Time Responses of Winter Barley.Frontiers in plant science · 2022Article
- Major flowering time genes of barley: allelic diversity, effects, and comparison with wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Review
- The Winter-Type Allele ofFrontiers in plant science · 2021Article
- Segmental duplications are hot spots of copy number variants affecting barley gene content.The Plant journal : for cell and molecular biology · 2020Article
- Natural Genetic Variation Underlying Tiller Development in Barley (G3 (Bethesda, Md.) · 2020Article
- Perspectives on Low Temperature Tolerance and Vernalization Sensitivity in Barley: Prospects for Facultative Growth Habit.Frontiers in plant science · 2020Article
- Barley yield formation under abiotic stress depends on the interplay between flowering time genes and environmental cues.Scientific reports · 2019Article
- Identification of Ideal Allele Combinations for the Adaptation of Spring Barley to Northern Latitudes.Frontiers in plant science · 2019Article
- Contrasting genetic regulation of plant development in wild barley grown in two European environments revealed by nested association mapping.Journal of experimental botany · 2018Article
- Article
- Genomic dissection of plant development and its impact on thousand grain weight in barley through nested association mapping.Journal of experimental botany · 2016Article
- Systematic Investigation of FLOWERING LOCUS T-Like Poaceae Gene Families Identifies the Short-Day Expressed Flowering Pathway Gene, TaFT3 in Wheat (Triticum aestivum L.).Frontiers in plant science · 2016Article
- Editorial: Recent Advances in Flowering Time Control.Frontiers in plant science · 2016Article
- Genetic Mapping Reveals Broader Role of Vrn-H3 Gene in Root and Shoot Development beyond Heading in Barley.PloS one · 2016Article
- Modelling the genetic architecture of flowering time control in barley through nested association mapping.BMC genomics · 2015Article
- Genetic variation in the flowering and yield formation of timothy (Phleum pratense L.) accessions after different photoperiod and vernalization treatments.Frontiers in plant science · 2015Article
- The role of seasonal flowering responses in adaptation of grasses to temperate climates.Frontiers in plant science · 2014Review
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5 authors.
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Abstract
Flowering time in plants is a tightly regulated process. In barley (Hordeum vulgare L.), HvFT1, ortholog of FLOWERING LOCUS T, is the main integrator of the photoperiod and vernalization signals leading to the transition from vegetative to reproductive state of the plant. This gene presents sequence polymorphisms affecting flowering time in the first intron and in the promoter. Recently, copy number variation (CNV) has been described for this gene. An allele with more than one copy was linked to higher gene expression, earlier flowering, and an overriding effect of the vernalization mechanism. This study aims at (1) surveying the distribution of HvFT1 polymorphisms across barley germplasm and (2) assessing gene expression and phenotypic effects of HvFT1 alleles. We analyzed HvFT1 CNV in 109 winter, spring, and facultative barley lines. There was more than one copy of the gene (2-5) only in spring or facultative barleys without a functional vernalization VrnH2 allele. CNV was investigated in several regions inside and around HvFT1. Two models of the gene were found: one with the same number of promoters and transcribed regions, and another with one promoter and variable number of transcribed regions. This last model was found in Nordic barleys only. Analysis of HvFT1 expression showed that association between known polymorphisms at the HvFT1 locus and the expression of the gene was highly dependent on the genetic background. Under long day conditions the earliest flowering lines carried a sensitive PpdH1 allele. Among spring cultivars with different number of copies, no clear relation was found between CNV, gene expression and flowering time. This was confirmed in a set of doubled haploid lines of a population segregating for HvFT1 CNV. Earlier flowering in the presence of several copies of HvFT1 was only seen in cultivar Tammi, which carries one promoter, suggesting a relation of gene structure with its regulation. HvCEN also affected to a large extent flowering time.
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