Abstract
Changes in the number of chromosomes, but also variations in the copy number of chromosomal regions have been described in various pathological conditions, such as cancer and aneuploidy, but also in normal physiological condition. Our classical view of DNA replication and mitotic preservation of the chromosomal integrity is now challenged as new technologies allow us to observe such mosaic somatic changes in copy number affecting regions of chromosomes with various sizes. In order to go further in the understanding of copy number influence in normal condition we could take advantage of the novel strategy called Targeted Asymmetric Sister Chromatin Event of Recombination (TASCER) to induce recombination during the G2 phase so that we can generate deletions and duplications of regions of interest prior to mitosis. Using this approach in the mouse we could address the effects of copy number variation and segmental aneuploidy in daughter cells and allow us to explore somatic mosaics for large region of interest in the mouse.
Keywords: Chromosomal engineering, Cre/loxP, mosaic genetics, duplication, deletion
Current Genomics
Title: Controlled Somatic and Germline Copy Number Variation in the Mouse Model
Volume: 11 Issue: 6
Author(s): Yann Herault, Arnaud Duchon, Damien Marechal, Matthieu Raveau, Patricia L. Pereira, Emilie Dalloneau and Veronique Brault
Affiliation:
Keywords: Chromosomal engineering, Cre/loxP, mosaic genetics, duplication, deletion
Abstract: Changes in the number of chromosomes, but also variations in the copy number of chromosomal regions have been described in various pathological conditions, such as cancer and aneuploidy, but also in normal physiological condition. Our classical view of DNA replication and mitotic preservation of the chromosomal integrity is now challenged as new technologies allow us to observe such mosaic somatic changes in copy number affecting regions of chromosomes with various sizes. In order to go further in the understanding of copy number influence in normal condition we could take advantage of the novel strategy called Targeted Asymmetric Sister Chromatin Event of Recombination (TASCER) to induce recombination during the G2 phase so that we can generate deletions and duplications of regions of interest prior to mitosis. Using this approach in the mouse we could address the effects of copy number variation and segmental aneuploidy in daughter cells and allow us to explore somatic mosaics for large region of interest in the mouse.
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Cite this article as:
Herault Yann, Duchon Arnaud, Marechal Damien, Raveau Matthieu, Pereira L. Patricia, Dalloneau Emilie and Brault Veronique, Controlled Somatic and Germline Copy Number Variation in the Mouse Model, Current Genomics 2010; 11 (6) . https://dx.doi.org/10.2174/138920210793176038
DOI https://dx.doi.org/10.2174/138920210793176038 |
Print ISSN 1389-2029 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5488 |
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