ArticleBMC genomics2011
A comparative physical map reveals the pattern of chromosomal evolution between the turkey (Meleagris gallopavo) and chicken (Gallus gallus) genomes.
Article in BMC genomics, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 27 citations in OpenAlex.
- A new haplotype-resolved turkey genome to enable turkey genetics and genomics research.GigaScience · 2022Article
- Smash++: an alignment-free and memory-efficient tool to find genomic rearrangements.GigaScience · 2020Article
- Evolutionary Footprints of Short Tandem Repeats in Avian Promoters.Scientific reports · 2016Article
- Global genomic diversity of Oryza sativa varieties revealed by comparative physical mapping.Genetics · 2014Article
- Comparative cytogenomics of poultry: mapping of single gene and repeat loci in the Japanese quail (Coturnix japonica).Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2014Article
- Construction of a plant-transformation-competent BIBAC library and genome sequence analysis of polyploid Upland cotton (Gossypium hirsutum L.).BMC genomics · 2013Article
- Centromere positions in chicken and Japanese quail chromosomes: de novo centromere formation versus pericentric inversions.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2012Article
- A duck RH panel and its potential for assisting NGS genome assembly.BMC genomics · 2012Article
- A second TCRδ locus in Galliformes uses antibody-like V domains: insight into the evolution of TCRδ and TCRμ genes in tetrapods.Journal of immunology (Baltimore, Md. : 1950) · 2012Article
- Preparation of megabase-sized DNA from a variety of organisms using the nuclei method for advanced genomics research.Nature protocols · 2012Article
- Construction of BIBAC and BAC libraries from a variety of organisms for advanced genomics research.Nature protocols · 2012 · on this mapArticle
- Genome physical mapping of polyploids: a BIBAC physical map of cultivated tetraploid cotton, Gossypium hirsutum L.PloS one · 2012Article
Corrections and comments
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Authors and funding
12 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundA robust bacterial artificial chromosome (BAC)-based physical map is essential for many aspects of genomics research, including an understanding of chromosome evolution, high-resolution genome mapping, marker-assisted breeding, positional cloning of genes, and quantitative trait analysis. To facilitate turkey genetics research and better understand avian genome evolution, a BAC-based integrated physical, genetic, and comparative map was developed for this important agricultural species.
resultsThe turkey genome physical map was constructed based on 74,013 BAC fingerprints (11.9 × coverage) from two independent libraries, and it was integrated with the turkey genetic map and chicken genome sequence using over 41,400 BAC assignments identified by 3,499 overgo hybridization probes along with > 43,000 BAC end sequences. The physical-comparative map consists of 74 BAC contigs, with an average contig size of 13.6 Mb. All but four of the turkey chromosomes were spanned on this map by three or fewer contigs, with 14 chromosomes spanned by a single contig and nine chromosomes spanned by two contigs. This map predicts 20 to 27 major rearrangements distinguishing turkey and chicken chromosomes, despite up to 40 million years of separate evolution between the two species. These data elucidate the chromosomal evolutionary pattern within the Phasianidae that led to the modern turkey and chicken karyotypes. The predominant rearrangement mode involves intra-chromosomal inversions, and there is a clear bias for these to result in centromere locations at or near telomeres in turkey chromosomes, in comparison to interstitial centromeres in the orthologous chicken chromosomes.
conclusionThe BAC-based turkey-chicken comparative map provides novel insights into the evolution of avian genomes, a framework for assembly of turkey whole genome shotgun sequencing data, and tools for enhanced genetic improvement of these important agricultural and model species.
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