Abstract
The repression of beta-isopropylmalate dehydrogenase, the LEU2 gene product, by leucine and leucine plus threonine was unaffected by the transposition of LEU2 from its original locus on chromosome III to a new locus within the ribosomal deoxyribonucleic acid gene cluster on chromosome XII. Since the expression of the LEU2 gene is probably controlled at a pretranslational level, we conclude that the recombinant plasmid used for transformation carries regulatory information in addition to LEU2 structural information.
MeSH Terms
3-Isopropylmalate Dehydrogenase
Alcohol Oxidoreductases/biosynthesis,genetics
DNA, Recombinant
Enzyme Repression
Gene Expression Regulation
Genes, Regulator
Leucine/pharmacology
Recombination, Genetic
Saccharomyces cerevisiae/enzymology,genetics
Chemicals
DNA, Recombinant
Alcohol Oxidoreductases
3-Isopropylmalate Dehydrogenase
Leucine
Authors & Affiliations
4 authors, click to expand affiliations / ORCID
Kohlhaw G B
Hsu Y P
Lemmon R D
Petes T D
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