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Suppression of dna2Δ lethality by inactivation of Pif1 nuclear function but not by inactivation of Pif1 mitochondrial function. The following strains were used: 4344, pif1-m2; and 4344dna2Δ, pif1-m2 dna2Δ. (A and B) Growth on glucose-containing medium. (C) Growth on nonfermentable glycerol medium.
