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. 2010 May 19;107(23):10596–10601. doi: 10.1073/pnas.0913280107

Fig. 4.

Fig. 4.

Material derived from [PSI+] yeast strains that arose via fusion with E. coli protoplasts is similarly infectious to material derived from control [PSI+] yeast strains. Extracts of four representative [PSI+] yeast strains obtained via fusion with E. coli protoplasts (labeled [PSI+] #1–4) as well as control extracts from both strong (SG862) and weak (SG863) [PSI+] yeast strains were used to transform [pin−] [psi−] yeast cells. Frequency of [PSI+] observed (as percentage of total transformants) is shown. Strain details are given in Table S1; colony phenotypes are shown in Fig. S4.