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. 1991 Dec;173(23):7698–7700. doi: 10.1128/jb.173.23.7698-7700.1991

Positive selection for uracil auxotrophs of the sulfur-dependent thermophilic archaebacterium Sulfolobus acidocaldarius by use of 5-fluoroorotic acid.

S Kondo 1, A Yamagishi 1, T Oshima 1
PMCID: PMC212540  PMID: 1938966

Abstract

Uracil auxotrophs of Sulfolobus acidocaldarius were positively selected by using 5-fluoroorotic acid. The wild-type strain was unable to grow in medium containing 5-fluoroorotic acid, whereas the mutants grew normally. Positive selection could be done for the auxotrophs. Mutants deficient in orotidine-5'-monophosphate pyrophosphorylase activity were isolated.

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Selected References

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