This Week in Science

Feb 05, 2010

In Science this week, a Japanese research team reports that multiple copies of genes coding for ribosomal RNA helps protect the yeast genome following DNA damage. By comparing four Saccharomyces cerevisiae strains with 20 to 110 copies of rDNA genes, the researchers found that low-copy strains were more sensitive to a DNA damaging chemical or ultraviolet light than high-copy strains.

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