ArticleBMC genomics2009
Comparative genomics in chicken and Pekin duck using FISH mapping and microarray analysis.
Article in BMC genomics, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 53 papers.
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Who cites it
53 citing papers in PubMed, 94 citations in OpenAlex.
- Review
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- Chromosomal-level reference genome of a wild North American mallard (Anas platyrhynchos).G3 (Bethesda, Md.) · 2023Article
- Reduced Nitric Oxide Synthase Involvement in Aigamo Duck Basilar Arterial Relaxation.Animals : an open access journal from MDPI · 2023Article
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- High Chromosomal Reorganization and Presence of Microchromosomes in Chactidae Scorpions from the Brazilian Amazon.Biology · 2023Article
- Amniotes co-opt intrinsic genetic instability to protect germ-line genome integrity.Nature communications · 2023Article
- Article
- Why Do Some Vertebrates Have Microchromosomes?Cells · 2021Review
- A new duck genome reveals conserved and convergently evolved chromosome architectures of birds and mammals.GigaScience · 2021Article
- Comparison of Karyotypes in Two Hybridizing Passerine Species: Conserved Chromosomal Structure but Divergence in Centromeric Repeats.Frontiers in genetics · 2021Article
- Review
- Genome-wide characterization of copy number variations in the host genome in genetic resistance to Marek's disease using next generation sequencing.BMC genetics · 2020Article
- Do sex chromosomes of snakes, monitor lizards, and iguanian lizards result from multiple fission of an "ancestral amniote super-sex chromosome"?Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2020Article
- Partial Amniote Sex Chromosomal Linkage Homologies Shared on Snake W Sex Chromosomes Support the Ancestral Super-Sex Chromosome Evolution in Amniotes.Frontiers in genetics · 2020Article
- Patterns of microchromosome organization remain highly conserved throughout avian evolution.Chromosoma · 2019Article
- Molecular cytogenetic characterization of repetitive sequences comprising centromeric heterochromatin in three Anseriformes species.PloS one · 2019Article
- Detection of copy number variations in brown and white layers based on genotyping panels with different densities.Genetics, selection, evolution : GSE · 2018Article
- Establishment and evaluation of the goose embryo epithelial (GEE) cell line as a new model for propagation of avian viruses.PloS one · 2018Article
Corrections and comments
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Authors and funding
10 authors at 3 institutions in 2 countries.
Funding
Abstract
backgroundThe availability of the complete chicken (Gallus gallus) genome sequence as well as a large number of chicken probes for fluorescent in-situ hybridization (FISH) and microarray resources facilitate comparative genomic studies between chicken and other bird species. In a previous study, we provided a comprehensive cytogenetic map for the turkey (Meleagris gallopavo) and the first analysis of copy number variants (CNVs) in birds. Here, we extend this approach to the Pekin duck (Anas platyrhynchos), an obvious target for comparative genomic studies due to its agricultural importance and resistance to avian flu.
resultsWe provide a detailed molecular cytogenetic map of the duck genome through FISH assignment of 155 chicken clones. We identified one inter- and six intrachromosomal rearrangements between chicken and duck macrochromosomes and demonstrated conserved synteny among all microchromosomes analysed. Array comparative genomic hybridisation revealed 32 CNVs, of which 5 overlap previously designated "hotspot" regions between chicken and turkey.
conclusionOur results suggest extensive conservation of avian genomes across 90 million years of evolution in both macro- and microchromosomes. The data on CNVs between chicken and duck extends previous analyses in chicken and turkey and supports the hypotheses that avian genomes contain fewer CNVs than mammalian genomes and that genomes of evolutionarily distant species share regions of copy number variation ("CNV hotspots"). Our results will expedite duck genomics, assist marker development and highlight areas of interest for future evolutionary and functional studies.
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