Autosome and sex chromosome diversity among the African pygmy mice, subgenus Nannomys (Murinae; Mus)

Chromosome Research : an International Journal on the Molecular, Supramolecular and Evolutionary Aspects of Chromosome Biology
Frederic VeyrunesJanice Britton-Davidian

Abstract

The African pygmy mice, subgenus Nannomys, constitute the most speciose lineage of the genus Mus with 19 recognized species. Although morphologically very similar, they exhibit considerable chromosomal diversity which is here confirmed and extended by the G-banding analysis of 65 mice from West and South Africa. On the basis of their karyotype and distribution area, the specimens were assigned to at least five species. Extensive differentiation both within and between species was observed that involved almost exclusively Robertsonian translocations, 23 of which are newly described. Two of the rearrangements were sex chromosome-autosome translocations, associated in some cases with partial deletions of the X or Y chromosomes. Several authors have predicted that the highly deleterious effect of this rearrangement would be reduced if the sex and autosomal segments were insulated by a block of centromeric heterochromatin. The C-banding analyses performed showed that among the species carrying X-autosome translocations, one followed the expected pattern, while the other did not. In this case, functional isolation of the sex and autosome compartments must involve other repetitive sequences or genomic traits that require further molec...Continue Reading

Citations

Jul 11, 2006·Chromosome Research : an International Journal on the Molecular, Supramolecular and Evolutionary Aspects of Chromosome Biology·Riccardo CastigliaMarco Corti
Sep 12, 2006·Chromosome Research : an International Journal on the Molecular, Supramolecular and Evolutionary Aspects of Chromosome Biology·J L DeuveT J Robinson
Dec 30, 2006·Chromosome Research : an International Journal on the Molecular, Supramolecular and Evolutionary Aspects of Chromosome Biology·N MacaisneB Dutrillaux
Feb 8, 2007·Chromosome Research : an International Journal on the Molecular, Supramolecular and Evolutionary Aspects of Chromosome Biology·Frédéric VeyrunesJanice Britton-Davidian
Feb 24, 2010·Chromosome Research : an International Journal on the Molecular, Supramolecular and Evolutionary Aspects of Chromosome Biology·Elisabeth E MlynarskiRachel J O'Neill
Jun 29, 2010·Chromosome Research : an International Journal on the Molecular, Supramolecular and Evolutionary Aspects of Chromosome Biology·Frederic VeyrunesJanice Britton-Davidian
Dec 27, 2011·Chromosome Research : an International Journal on the Molecular, Supramolecular and Evolutionary Aspects of Chromosome Biology·Chie MurataAsato Kuroiwa
Jun 3, 2005·Heredity·D CharlesworthG Marais
Feb 12, 2010·Molecular Biology and Evolution·Amanda M LarracuenteAndrew G Clark
Oct 4, 2006·Proceedings. Biological Sciences·Frederic VeyrunesJanice Britton-Davidian
Dec 17, 2009·Proceedings. Biological Sciences·Frederic VeyrunesJanice Britton-Davidian
May 17, 2011·BMC Evolutionary Biology·Benoîte CazauxJanice Britton-Davidian
Aug 16, 2008·Chromosome Research : an International Journal on the Molecular, Supramolecular and Evolutionary Aspects of Chromosome Biology·Jiri RubesTerence J Robinson
Aug 28, 2014·Chromosome Research : an International Journal on the Molecular, Supramolecular and Evolutionary Aspects of Chromosome Biology·F VeyrunesJ Britton-Davidian
Oct 3, 2012·Evolution; International Journal of Organic Evolution·Kohta Yoshida, Jun Kitano
Mar 15, 2006·Cell·Jennifer A Marshall Graves
Dec 20, 2017·Chromosoma·Frédéric Veyrunes, Julie Perez
Aug 16, 2017·Scientific Reports·Alisa O Vershinina, Vladimir A Lukhtanov
Mar 13, 2019·Scientific Reports·Willam Oliveira da SilvaCleusa Yoshiko Nagamachi
Jan 8, 2005·Science·Jennifer A Marshall Graves

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