ArticleGenome research2010
The recombination landscape of the zebra finch Taeniopygia guttata genome.
Article in Genome research, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 133 papers.
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133 citing papers in PubMed, 249 citations in OpenAlex.
- Population Decline, Inbreeding and Hybridization Shape the Genetic Vulnerability of a Critically Endangered Seabird.Molecular ecology · 2026Article
- Molecular Evolution of a Sex-Linked Inversion Polymorphism in Zebra Finches.Genome biology and evolution · 2026Article
- Genome-Wide Homozygosity Predicts Inbreeding Depression in the Hihi/Stitchbird (Evolutionary applications · 2026Article
- Genomic Signatures and Demographic History of the Widespread and Critically Endangered Yellow-Breasted Bunting.Molecular ecology · 2025Article
- Reticulate and Hybrid Speciation is Promoted by Environmental Instability in an Indo-Pacific Species Complex of Whistlers (Aves: Pachycephala).Molecular ecology · 2025Article
- Evolution of Large Polymorphic Inversions in a Panmictic Songbird.Molecular biology and evolution · 2025Article
- Frequent Hybridisation Between Parapatric Lekking Bird-of-Paradise Species.Molecular ecology · 2025Article
- Keeping it safe: control of meiotic chromosome breakage.Trends in genetics : TIG · 2025Review
- Germline mutation rates and fine-scale recombination parameters in zebra finch.PLoS genetics · 2025Article
- Translocations spur population growth but fail to prevent genetic erosion in imperiled Florida Scrub-Jays.Current biology : CB · 2025Article
- Mutation and recombination parameters in zebra finch are similar to those in mammals.bioRxiv : the preprint server for biology · 2025Article
- Article
- The Evolution and Role of Molecular Tools in Measuring Diversity and Genomic Selection in Livestock Populations (Traditional and Up-to-Date Insights): A Comprehensive Exploration.Veterinary sciences · 2024Review
- Recently Delisted Songbird Harbors Extensive Genomic Evidence of Inbreeding, Potentially Complicating Future Recovery.Evolutionary applications · 2024Article
- A molecular mechanism for bright color variation in parrots.Science (New York, N.Y.) · 2024Article
- A high-density linkage map reveals broad- and fine-scale sex differences in recombination in the hihi (stitchbird; Notiomystis cincta).Heredity · 2024Article
- Male-biased recombination at chromosome ends in a songbird revealed by precisely mapping crossover positions.G3 (Bethesda, Md.) · 2024Article
- Hybridization in birds-of-paradise: Widespread ancestral gene flow despite strong sexual selection in a lek-mating system.iScience · 2024Article
- When birds of a feather flock together: Severe genomic erosion and the implications for genetic rescue in an endangered island passerine.Evolutionary applications · 2024Article
- Evolution of Chromosomal Inversions across an Avian Radiation.Molecular biology and evolution · 2024Article
73 more citing papers are in PubMed but not listed here.
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Authors and funding
11 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Understanding the causes and consequences of variation in the rate of recombination is essential since this parameter is considered to affect levels of genetic variability, the efficacy of selection, and the design of association and linkage mapping studies. However, there is limited knowledge about the factors governing recombination rate variation. We genotyped 1920 single nucleotide polymorphisms in a multigeneration pedigree of more than 1000 zebra finches (Taeniopygia guttata) to develop a genetic linkage map, and then we used these map data together with the recently available draft genome sequence of the zebra finch to estimate recombination rates in 1 Mb intervals across the genome. The average zebra finch recombination rate (1.5 cM/Mb) is higher than in humans, but significantly lower than in chicken. The local rates of recombination in chicken and zebra finch were only weakly correlated, demonstrating evolutionary turnover of the recombination landscape in birds. The distribution of recombination events was heavily biased toward ends of chromosomes, with a stronger telomere effect than so far seen in any organism. In fact, the recombination rate was as low as 0.1 cM/Mb in intervals up to 100 Mb long in the middle of the larger chromosomes. We found a positive correlation between recombination rate and GC content, as well as GC-rich sequence motifs. Levels of linkage disequilibrium (LD) were significantly higher in regions of low recombination, showing that heterogeneity in recombination rates have left a footprint on the genomic landscape of LD in zebra finch populations.
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