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. 1973 Mar;113(3):1289–1295. doi: 10.1128/jb.113.3.1289-1295.1973

Macromolecular Synthesis During the Germination of Saccharomyces cerevisiae Spores

Paul Rousseau a,1, Harlyn O Halvorson b
PMCID: PMC251696  PMID: 4570780

Abstract

After the dormancy of Saccharomyces cerevisiae ascospores had been broken, the synthesis of proteins was observed first, followed rapidly by synthesis of ribonucleic acid (RNA) and much later by deoxyribonucleic acid (DNA) synthesis. Phosphoglucomutase activity increased in a periodic (step) fashion, whereas the activity of five other enzymes increased linearly during germination and outgrowth. The rate of synthesis of these enzymes was highest at about the period of DNA replication. The amino acid pools of dormant spores contained high levels of proline, glutamic acid, and histidine. At 2 h after onset of germination, the pools of phenylalanine and methionine had disappeared and the other components had decreased significantly. By 3.5 h, with the exception of proline and cystine, most amino acid pool components had significantly increased.

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Selected References

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