Figure 4.
Single point mutants at potential sites of Whi3 phosphorylation can strongly influence Whi3 localization and assembly. (A) Representative images of Whi3 protein in control or Whi3 mutant strains localized in the hypha. Images are maximum intensity projections. Scale bar, 5 µm. Tom, Tomato. (B) Representative images of hyphal tips containing or not containing Whi3-tomato puncta. Images are maximum intensity projections. Scale bar, 2 µm. (C) Normalized Whi3 abundance in control and Whi3 mutant cells under different growth conditions. n > 62 for all conditions. *, P < 0.05 by one-way ANOVA with multiple comparisons. Bars, 95% confidence interval. (D) Percent of hyphal tips in control and Whi3 mutant strains containing a Whi3 punctum. n > 167 for all conditions. *, P < 0.05 by N-1 χ2 test with Benjamini–Hochberg correction. (E) Average number of Whi3 puncta per 10-µm hyphal segment in control and Whi3 mutant strains. *, P < 0.05 by one-way ANOVA with multiple comparisons. **, P < 0.005; ***, P < 0.0005. Bars, 95% confidence interval.