(A) Transcription factor binding sites near QSP1 and OPT1.
(B) Colony morphology.
(C) Capsule sizes. Cryptococcal capsule stained with India ink. >100 cells per genotype quantified. ***p < 10−5 (t test). Wild-type data from Figure 3 included for comparison. Error bars are SE.
(D) Stress assays. The concentration where qsp1Δ viability is most different from wild-type is shown in red. Wild-type data from Figure 4 included for comparison.
(E and F) Phagocytic index of unopsonized (E) and opsonized (F) C. neoformans. >1,200 BMDMs quantified per genotype. Wild-type data from Figure 2 included for comparison. Error bars are SD.
(G) Macrophage intracellular accumulation assay. CFUs isolated from BMDMs, normalized to starting inoculum. Wild-type data from Figure 2 included for comparison. Error bars are 95% confidence intervals. *p < 0.05 (bootstrap).
(H) Complementation assays.
(I) Stress assays as described in (D).