ArticleChromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology2006
High-resolution comparative chromosome painting in the Arizona collared peccary (Pecari tajacu, Tayassuidae): a comparison with the karyotype of pig and sheep.
Article in Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed, 19 citations in OpenAlex.
- Comparative chromosome painting in Chacoan peccary, Catagonus wagneri.Journal of applied genetics · 2021Article
- Suiformes conservation: a study case of strategies for DNA utilization.Journal of genetics · 2013Article
- Evaluation of genetic variability in the collared peccary Pecari tajacu and the white-lipped peccary Tayassu pecari by microsatellite markers.Genetics and molecular biology · 2010Article
- Cross-species chromosome painting in Cetartiodactyla: reconstructing the karyotype evolution in key phylogenetic lineages.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2009Article
- Chromosomal organization of simple sequence repeats in the Pacific oyster (Crassostrea gigas): (GGAT)(4), (GT)(7) and (TA)(10) chromosome patterns.Journal of genetics · 2008Article
- Chromosomal evolution and phylogenetic analyses in Tayassu pecari and Pecari tajacu (Tayassuidae): tales from constitutive heterochromatin.Journal of genetics · 2007Article
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Authors and funding
7 authors at 4 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We used chromosome painting with chromosome-specific probes derived from domestic sheep and pig for a high-resolution cytogenetic comparison with the karyotype of collared peccary (Pecari tajacu sonoriensis). A reorganization of the karyotype involving at least 62-66 conserved segments were observed between the sheep and collared peccary. This is an extremely high number compared with other members of the same mammalian order (Cetartiodactyla). The comparison between pig and collared peccary, both belonging to the Suiformes, however, revealed various changes in the gross organization of both karyotypes that may have already occurred in a common ancestor of both species suggesting a monophyletic origin of Suidae/Tayassuidae. The sheep probes, however, also revealed several rearrangements between the two Suidae/Tayassuidae, indicating that these probes represent a useful tool for a more detailed analysis of the evolutionary history of Suiformes. Our sample of the collared peccary from North America (Arizona, USA) showed distinct differences to those already described from South America. The chromosome painting results defined a complex translocation that involves chromosomes including about one-quarter of the entire collared peccary karyotype. This considerable rearrangement indicates subspecies or even species status of both peccary populations, as it should present a significant barrier for their hybridization.
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