Asparaginase II of Saccharomyces cerevisiae: Selection of four mutations that cause derepressed enzyme synthesis

J. Q. Kamerud, Robert J Roon

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Abstract

A positive selection method was used to isolate four Saccharomyces cerevisiae mutations that cause derepressed synthesis of asparaginase II. The four mutations (and1, and2, and3, and4) were neither closely linked to each other nor linked to previously characterized mutations (asp3, asp6) which cause the complete loss of asparaginase II activity. One of the new mutations (and4) was shown to be allelic to gdh-CR, a pleiotropic mutation which causes derepressed synthesis of a number of enzymes of nitrogen catabolism.

Original languageEnglish (US)
Pages (from-to)293-296
Number of pages4
JournalJournal of bacteriology
Volume165
Issue number1
DOIs
StatePublished - Jan 1 1986

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