Sara Venditti

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In this study we report the effect of AZT on the whole protein expression profile both in the control and the AZT-treated K562 cells, evidenced by two-dimensional gel electrophoresis and peptide mass fingerprinting analysis. Two-dimensional gels computer digital image analysis showed two spots that appeared up-regulated in AZT-treated cells and one spot(More)
Telomeric heterochromatin plays an essential role in telomere function, including the regulation of telomere length. We observe that in Saccharomyces cerevisiae an imbalance in the dosage of genes for two protein components of heterochromatin (namely Sir3p and histone H4) causes modifications in telomere length and telomere sequence organization. The(More)
In Saccharomyces cerevisiae, imbalance of the genes coding for the heterochromatin components Sir3p and histone H4 (namely, overdosage of SIR3 and lack of one of the two genes coding for H4) causes modifications in telomere length and telomere sequence organization, favoring the insertion of Y′ elements into a stably shortened (C1–3A)n repeat tract. We(More)
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