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Citation
Gvozdev, V.A., Kogan, G.L., Usakin, L.A. (2005). The Y chromosome as a target for acquired and amplified genetic material in evolution.  BioEssays 27(12): 1256--1262.
FlyBase ID
FBrf0189786
Publication Type
Review
Abstract

The special properties of the Y chromosome stem form the fact that it is a non-recombining degenerate derivative of the X chromosome. The absence of homologous recombination between the X and the Y chromosome leads to gradual degeneration of various Y chromosome genes on an evolutionary timescale. The absence of recombination, however, also favors the accumulation of transposable elements on the Y chromosome during its evolution, as seen with both Drosophila and mammalian Y chromosomes. Alongside these processes, the acquisition and amplification of autosomal male benefit genes occur. This review will focus on recent studies that reveal the autosome-acquired genes on the Y chromosome of both Drosophila and humans. The evolution of the acquired and amplified genes on the Y chromosome is also discussed. Molecular and comparative analyses of Y-linked repeats in the Drosophila melanogaster genome demonstrate that there was a period of their degeneration followed by a period of their integration into RNAi silencing, which was beneficial for male fertility. Finally, the function of non-coding RNA produced by amplified Y chromosome genetic elements will be discussed.

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    Language of Publication
    English
    Additional Languages of Abstract
    Parent Publication
    Publication Type
    Journal
    Abbreviation
    BioEssays
    Title
    BioEssays
    Publication Year
    1984-
    ISBN/ISSN
    0265-9247
    Data From Reference
    Genes (8)
    Natural transposons (3)