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  • Title: [Alterations of nucleolar DNA localization caused by simulated microgravity].
    Author: Sobol' MA, Kordium EL, Medina FKh.
    Journal: Tsitol Genet; 2006; 40(1):43-8. PubMed ID: 16792020.
    Abstract:
    The functions of the nucleolus responsible for the biosynthesis of ribosomes in altered gravity are still unclear. The location of nucleolar DNA both in control and simulated microgravity has been investigated using fluorescent and immunogold cytochemistry. We have determined the redistribution of rDNA in the nucleolar components accompanied by their ultrastructure changes. According to this the lowering of rDNA transcription level under simulated microgravity was supposed.
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