Research Article

Cell Size Influences the Reproductive Potential and Total Lifespan of the Saccharomyces cerevisiae Yeast as Revealed by the Analysis of Polyploid Strains

Table 2

The budding lifespan (number of generations), reproductive lifespan, postreproductive lifespan, and total lifespan of the yeast strains of different ploidy 1n–4n. Data are presented as the means ± SD from all tested cells during two independent experiments (80 cells). ; ; and compared to haploid (1n) strain (one-way ANOVA and Dunnett’s post hoc test).

Yeast strainBudding lifespanReproductive lifespanPostreproductive lifespanTotal lifespan
Number of daughtersTime (h)Time (h)Time (h)

SP41n41.9 ± 14.973.2 ± 26.022.5 ± 25.595.7 ± 36.3
2n48.4 ± 16.375.6 ± 28.015.3 ± 31.490.7 ± 40.8
3n44.7 ± 10.666.3 ± 15.25.1 ± 11.371.4 ± 16.6
4n38.3 ± 7.858.3 ± 12.43.3 ± 5.061.6 ± 12.8

BY474X1n20.8 ± 9.743.1 ± 19.763.0 ± 51.5106.1 ± 49.2
2n26.1 ± 8.747.5 ± 19.746.0 ± 46.893.5 ± 50.5
3n37.9 ± 14.173.6 ± 27.923.4 ± 29.996.9 ± 34.4
4n30.5 ± 12.356.3 ± 24.117.1 ± 20.373.43 ± 28.5

BMA641n23.0 ± 7.047.4 ± 15.135.3 ± 29.382.7 ± 33.2
2n21.0 ± 5.632.9 ± 9.35.4 ± 10.838.3 ± 12.8