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Observation 9

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Species Saccharomyces cerevisiae
Strain YPK9
Mating Type mata
Temperature 30
Lifespan 27.3 divisions
Reference Lifespan 20.7 divisions
Lifespan Change 31.88%
Lifespan Measure mean
Lifespan Effect increased
Significance significant
Citation Kirchman PA, Kim S, Lai CY, Jazwinski SM. (1999). Interorganelle signaling is a determinant of longevity in Saccharomyces cerevisiae.. Genetics 152: 179-90. [pubmed]

Respiratory deficient petite cells in strain YPK9 have an increased life span

Environment Interventions

Type Body
petite Petite cells are slow growing, form small colonies, and are unable to grow on a non-fermentable carbon source.