JCS -- Trelles-Sticken et al. 116 (12): 2431 Figure IG1

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Fig. 1. Occurrence of meiotic divisions after induction of sporulation in diploid wild-type (2n WT), tetraploid (4n) and sir3 ${Delta}$ diploid (2n (sir3 ${Delta}$ )), and in sir3 ${Delta}$ spo13 ${Delta}$ haploid (1n (sir3 ${Delta}$ )) SK1 strains. Bi- and tetranucleated cells (100-200 per time point) were scored as divisions at the indicated time points in sporulation medium (SPM). The diploid and tetraploid time courses are given as the mean (±S.D.) of three experiments. Meiosis in diploid wild-type SK1 progresses significantly faster than in the tetraploid strain. Divisions in the sir3 ${Delta}$ spo13 ${Delta}$ haploid and sir3 ${Delta}$ diploid occur at similar times after induction of meiosis and are delayed with respect to diploid wild-type meiosis.