ArticleBMC genomics2010
High-density linkage mapping and evolution of paralogs and orthologs in Salix and Populus.
Article in BMC genomics, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 51 papers.
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51 citing papers in PubMed, 90 citations in OpenAlex.
- Unraveling plant phenotype to genotype associations with daily hyperspectral traits inPlant phenomics (Washington, D.C.) · 2026Article
- Genomic and transcriptomic analyses reveal polygenic architecture for ecologically important traits in aspen (Ecology and evolution · 2023Article
- Comprehensive Genome-Wide Analyses of Poplar R2R3-MYB Transcription Factors and Tissue-Specific Expression Patterns under Drought Stress.International journal of molecular sciences · 2023Article
- Genome-Wide Characterization and Evolutionary Expansion of Poplar NAC Transcription Factors and Their Tissue-Specific Expression Profiles under Drought.International journal of molecular sciences · 2022Article
- Conversion between duplicated genes generated by polyploidization contributes to the divergence of poplar and willow.BMC plant biology · 2022Article
- Mapping the sex determination region in the Salix F1 hybrid common parent population confirms a ZW system in six diverse species.G3 (Bethesda, Md.) · 2022Article
- Nonadditive gene expression is correlated with nonadditive phenotypic expression in interspecific triploid hybrids of willow (Salix spp.).G3 (Bethesda, Md.) · 2022Article
- Sex determination through X-Y heterogamety in Salix nigra.Heredity · 2021Article
- A High-Density Genetic Map Enables Genome Synteny and QTL Mapping of Vegetative Growth and Leaf Traits in Gardenia.Frontiers in genetics · 2021Article
- Genome-Wide Comparative Analysis of R2R3 MYB Gene Family inFrontiers in plant science · 2021Article
- The chromosome-scale assembly of the willow genome provides insight into Salicaceae genome evolution.Horticulture research · 2020Article
- Comparative genomics and transcriptomics analysis reveals evolution patterns of selection in the Salix phylogeny.BMC genomics · 2019Article
- Uneven selection pressure accelerating divergence ofHorticulture research · 2019Article
- Large effect quantitative trait loci for salicinoid phenolic glycosides inEcology and evolution · 2018Article
- Hardwood Tree Genomics: Unlocking Woody Plant Biology.Frontiers in plant science · 2018Article
- Dominance and Sexual Dimorphism Pervade the Salix purpurea L. Transcriptome.Genome biology and evolution · 2017Article
- Recent Sex Chromosome Divergence despite Ancient Dioecy in the Willow Salix viminalis.Molecular biology and evolution · 2017Article
- Genetics of phenotypic plasticity and biomass traits in hybrid willows across contrasting environments and years.Annals of botany · 2017Article
- Comparative genomics of Eucalyptus and Corymbia reveals low rates of genome structural rearrangement.BMC genomics · 2017Article
- Allelic incompatibility can explain female biased sex ratios in dioecious plants.BMC genomics · 2017Article
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundSalix (willow) and Populus (poplar) are members of the Salicaceae family and they share many ecological as well as genetic and genomic characteristics. The interest of using willow for biomass production is growing, which has resulted in increased pressure on breeding of high yielding and resistant clones adapted to different environments. The main purpose of this work was to develop dense genetic linkage maps for mapping of traits related to yield and resistance in willow. We used the Populus trichocarpa genome to extract evenly spaced markers and mapped the orthologous loci in the willow genome. The marker positions in the two genomes were used to study genome evolution since the divergence of the two lineages some 45 mya.
resultsWe constructed two linkage maps covering the 19 linkage groups in willow. The most detailed consensus map, S1, contains 495 markers with a total genetic distance of 2477 cM and an average distance of 5.0 cM between the markers. The S3 consensus map contains 221 markers and has a total genetic distance of 1793 cM and an average distance of 8.1 cM between the markers. We found high degree of synteny and gene order conservation between willow and poplar. There is however evidence for two major interchromosomal rearrangements involving poplar LG I and XVI and willow LG Ib, suggesting a fission or a fusion in one of the lineages, as well as five intrachromosomal inversions. The number of silent substitutions were three times lower (median: 0.12) between orthologs than between paralogs (median: 0.37 - 0.41).
conclusionsThe relatively slow rates of genomic change between willow and poplar mean that the genomic resources in poplar will be most useful in genomic research in willow, such as identifying genes underlying QTLs of important traits. Our data suggest that the whole-genome duplication occurred long before the divergence of the two genera, events which have until now been regarded as contemporary. Estimated silent substitution rates were 1.28 x 10-9 and 1.68 x 10-9 per site and year, which are close to rates found in other perennials but much lower than rates in annuals.
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