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. 1975 Oct;90(2):265-70.
doi: 10.1099/00221287-90-2-265.

Manganese mutagenesis in yeast. A practical application of manganese for the induction of mitochondrial antibiotic-resistant mutations

Manganese mutagenesis in yeast. A practical application of manganese for the induction of mitochondrial antibiotic-resistant mutations

A Putrament et al. J Gen Microbiol. 1975 Oct.

Abstract

When yeast cells were incubated for 4 to 8 h in yeast extract-peptone-glucose medium, pH 6, containing 8 mM-manganese, and then plated on selective media, there was a strong induction of antibiotic-resistant mutations. Indirect evidence suggests that practically all resistant mutants selected were of independent origin. The analysis of manganese-induced resistant mutants showed that most were extranuclear, while those tested showed recombination with known mitochondrial markers. Our results suggest that manganese can be considered as a mutagen which specifically induces mitochondrial mutations in Saccharomyces cerevisiae.

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