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Interaction between rough phenotype and amino acid auxotrophy inSaccharomyces cerevisiae

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Abstract

InSaccharomyces cerevisiae a tryptophan requirement suppresses the rough colony phenotype that is produced by mutants at three separate loci. The suppression is strongly influenced by the genetic background and is excercised by both tested tryptophan loci. Very high concentrations of tryptophan in the growth medium relieve the suppression in some segregants. A similar suppression of the rough phenotype was observed in a mutant requiring lysine, while neither histidine nor adenine requirements were effective in that respect.

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Author notes

  1. L. Šilhánková

    Present address: Department of Biochemistry and Microbiology, Institute of Chemical Technology, Prague 6

Authors and Affiliations

  1. M.R.C. Mutagenesis Research Unit, Institute of Animal Genetics, Edinburgh, Scotland

    L. Šilhánková

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  1. L. Šilhánková
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Additional information

A preliminary report of part of this paper was presented at the 3rd Internat. Symp. on Yeasts, Delft—The Hague, Netherlands, 1969.

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Šilhánková, L. Interaction between rough phenotype and amino acid auxotrophy inSaccharomyces cerevisiae . Folia Microbiol 17, 161–169 (1972). https://doi.org/10.1007/BF02875810

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  • DOI: https://doi.org/10.1007/BF02875810

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