Article
Identification of the orotidine-5'-phosphate decarboxylase gene and development of a transformation system in the yeast Saccharomyces exiguus Yp74L-3.
Bioscience, biotechnology, and biochemistry - 1 Nov 1998
Hisatomi T, Kuroyanagi S, Tsuboi M
Abstract excerpt
To investigate the uracil biosynthetic pathway of the yeast Saccharomyces exiguus Yp74L-3, uracil auxotrophic mutants were isolated. Using conventional genetic techniques, four mutant genes concerned in uracil biosynthesis were identified and denoted as ura1, ura2, ura3, and ura4. Mutations in the URA3 and URA4 genes were specifically selected with 5-fluoroorotic acid (5-FOA). Vector plasmids containing the URA3...
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