Table 3.
Summary of Chs3 mutations analyzed in this study and their effect on trafficking.
| Mutant | CW growth phenotype | CW sensitivity rescued by apl2Δ | Localization phenotype | Likely pathways disrupted |
|---|---|---|---|---|
| chs3Δ | ++++ | No | N/A | N/A |
| ΔN52 | ++++ | Strongly | Weak bud neck, few punctae | TGN→PM (exomer) TGN→Endosomes (AP-1,Gga1/2) Endosomes→TGN (Retromer, Snx4/41/42) |
| 19DEE21→AAA | + | Moderately | Normal bud neck and punctae, additional at PM | Endocytosis (AP-2) TGN→Endosomes (AP-1,Gga1/2) |
| Δ10-27 | ++ | Moderately | Normal bud neck and punctae, additional at PM | Endocytosis (AP-2) TGN→Endosomes (AP-1,Gga1/2) |
| Δ28-52 | +++ | No | Weak bud neck, few punctae, vacuole | TGN→PM (exomer) Endosomes→TGN (Retromer, Snx4/41/42) |
| 41LVR43→AAA | ++++ | Moderately | Weak bud neck, few punctae | TGN→PM (exomer) |
| ΔC21 | ++++ | No | TGN punctae only (Rockenbauch et al., 2012) | TGN→PM (exomer) |