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Efficient labeling of fission yeast Schizosaccharomyces pombe with thymidine and BUdR.

Nucleic acids research (2003-10-25)
Jeffrey A Hodson, Julie M Bailis, Susan L Forsburg
ABSTRACT

In this paper we report the construction of a Schizosaccharomyces pombe strain that facilitates analysis of replicating DNA. The strain co-expresses the Herpes simplex virus thymidine kinase gene (hsv-tk) and a human equilibrative nucleoside transporter (hENT1). The double integrant efficiently incorporates 3H-thymidine into nuclear DNA as monitored by scintillation counting. These strains also incorporate the thymidine analog Bromodeoxy uridine (BUdR) into newly replicated DNA, which can be detected by immunofluorescence and flow cytometry. This strain provides a valuable tool for direct study of DNA replication in S.pombe.

MATERIALS
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Product Description

Sigma-Aldrich
Deoxyribonucleic acid, single stranded from salmon testes, For hybridization