Table 1.
Summary of the subcellular distribution of PtSto subfamilies
| Location | Presencea of: |
||
|---|---|---|---|
| Sto1p | Sto4p | Sto8p | |
| Cell surface | ++ | ++ | ++ |
| Oral cavity | ± | ± | ± |
| CVC | ++/± (including pores) | ± (including pores) | − |
| Food vacuoles | − | ++ (only some) | − |
| Cytoproct and recycling vesicles | − | ++/± | − |
a
Fixed and permeabilized samples were labeled either by affinity-purified Abs against peptides specific for Sto1a,b,cp (Sto1p), Sto4a,b,cp (Sto4p), or Sto8a,bp (Sto8p). −, No staining; ++, most intense staining; ±, variable results.