Sensitive yeast genetic system for identifying agents causing do

Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving nucleic acid

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4352551, 4352552, 435941, 435942, C12Q 168

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053525817

ABSTRACT:
A sensitive, yeast-based genetic system for identifying agents causing double-strand DNA damage is described. The system comprises a yeast strain containing either chromosomes having divergent (homeologous) DNA sequences, a single nonhomologous chromosome or a single artificial chromosome with suitable genetic markers so that double-strand damage leading to the loss of such chromosome due to the inability to undergo recombinational repair with a homolog is detected.

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