title: Yeast petite mutants for DNA gene amplification.
mesh_terms: D004262:DNA Restriction Enzymes; D004272:DNA, Mitochondrial / Q000378:metabolism*; D005796:Genes; D008722:Methods; D009154:Mutation; D012441:Saccharomyces cerevisiae / Q000302:isolation & purification / Q000378:metabolism*
chemical_list: D004272:DNA, Mitochondrial; D004262:DNA Restriction Enzymes