Purpose:
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The purpose of the experiment is to confirm that the upper boundary for negative cells in the GFP channel was identified properly performing an FMO control. Therefore, to reveal the maximum expected fluorescence in this channel for a mating sample when only GFP fluorescence is omitted, mating reactions are performed between stained MATa and MATalpha cells that synthesized the same GFP fragment. Consequently, even though cytoplasm mixing takes place no BiFC is possible and fused mating pairs remain GFP negative. |