Molecular insights into X;BTA5 chromosome rearrangements in the tribe Antilopini (Bovidae)

Cytogenetic and Genome Research
Halina CernohorskaJiri Rubes

Abstract

For a clade that includes Antilope, Gazella,Nanger and Eudorcas (Antilopinae), X;BTA5 translocation is a synapomorphy. Using a combination of fluorescence in situ hybridization (FISH) probes and polymerase chain reaction techniques, we provide (i) the first insight into the X;BTA5 architecture which differs in the species under study: Antilope cervicapra (genus Antilope), Gazella leptoceros (genus Gazella) and Nanger dama ruficollis (genus Nanger), (ii) determination of interstitial satellite DNA at the X;BTA5 junctions, and (iii) determination of repetitive sequences occupying constitutive heterochromatin of Xp arms in the studied species. The distribution of 2 repetitive DNA families in the centromeric regions of all chromosomes has been investigated by FISH with probes representing satellite I and satellite II DNA in all studied species. In this context, we discuss a markedly smaller centromere in the BTA5 (Y2) unfused chromosomes in males in the XY1Y2 determining system in comparison with other acrocentrics. An analysis of karyotypic data described in current published studies revealed a disparity with the data determined by FISH. In this report, we document chromosomal fusions in the 3 species mentioned resulting from FISH...Continue Reading

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Citations

Jul 31, 2013·Chromosome Research : an International Journal on the Molecular, Supramolecular and Evolutionary Aspects of Chromosome Biology·Halina CernohorskaJiri Rubes
Aug 17, 2012·Journal of Applied Genetics·Katerina CabelovaJiri Rubes
Jan 24, 2014·Chromosome Research : an International Journal on the Molecular, Supramolecular and Evolutionary Aspects of Chromosome Biology·Olga KopecnaJiri Rubes
May 4, 2016·Chromosome Research : an International Journal on the Molecular, Supramolecular and Evolutionary Aspects of Chromosome Biology·Miluse VozdovaJiri Rubes
May 26, 2012·Cytogenetic and Genome Research·J RubesA I Kulemsina
Nov 2, 2019·Genes·Anastasia A ProskuryakovaAlexander S Graphodatsky

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