Article
Dosage compensation by gene-copy silencing in a triploid hybrid fish.
Current biology : CB - 9 Sept 2008
Pala Irene, Coelho Maria M, Schartl Manfred
Abstract excerpt
In mammals, the increase in gene dosage, in the form of polyploidy or involving chromosomal fragments, has deleterious effects [1]. Regulation of appropriate gene product amounts has to be warranted by complex dosage-compensation mechanisms. Lower vertebrates, on the other hand, cope very well with ploidy increase [2-4], implying either effective compensation or a lack of necessity for such mechanisms....
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