Comparative chromosome painting between the domestic pig (Sus scrofa) and two species of peccary, the collared peccary (Tayassu tajacu) and the white-lipped peccary (T. pecari): a phylogenetic perspective

Cytogenetic and Genome Research
A A BosmaC Zijlstra

Abstract

The Suidae and the Dicotylidae (or Tayassuidae) are related mammalian families, both belonging to the artiodactyl suborder Suiformes, which diverged more than 37 million years ago. Cross-species chromosome painting was performed between the domestic pig (Sus scrofa; 2n = 38), a representative of the Suidae, and two species of the Dicotylidae: the collared peccary (Tayassu tajacu; 2n = 30) and the white-lipped peccary (T. pecari; 2n = 26). G-banded metaphase chromosomes of the two peccaries were hybridized with whole chromosome painting probes derived from domestic pig chromosomes 1-18 and X. For both peccary species, a total of 31 autosomal segments that are conserved between pig and peccary could be identified. The painting results confirm conclusions inferred from G-band analyses that the karyotypes of the collared peccary and the white-lipped peccary are largely different. The karyotypic heterogeneity of the Dicotylidae contrasts with the relative homogeneity among the karyotypes of the Suidae. For this difference between the Dicotylidae and the Suidae, a number of explanations are being postulated: 1) the extant peccaries are phylogenetically less closely related than is usually assumed; 2) the peccary genome is less stable...Continue Reading

Citations

Apr 22, 2006·Chromosome Research : an International Journal on the Molecular, Supramolecular and Evolutionary Aspects of Chromosome Biology·Filomena AdegaHenrique Guedes-Pinto
Aug 3, 2007·Chromosome Research : an International Journal on the Molecular, Supramolecular and Evolutionary Aspects of Chromosome Biology·Gabriel BalmusMalcolm A Ferguson-Smith
Apr 8, 2009·Chromosome Research : an International Journal on the Molecular, Supramolecular and Evolutionary Aspects of Chromosome Biology·Anastasia I KulemzinaAlexander S Graphodatsky
Apr 29, 2008·Micron : the International Research and Review Journal for Microscopy·Filomena AdegaHenrique Guedes-Pinto
Jun 10, 2015·BMC Genomics·Benjamin M SkinnerNabeel A Affara
Jan 18, 2018·Veterinary Ophthalmology·Raaya Ezra-EliaRon Ofri
Nov 11, 2010·Genetika·A I KulemzinaA S Grafodatskiĭ
May 26, 2012·Cytogenetic and Genome Research·J RubesA I Kulemsina
Feb 18, 2021·Journal of Applied Genetics·Petra MusilovaJiri Rubes

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