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. 2001 Sep;13(9):2021–2032. doi: 10.1105/TPC.000533

Figure 3.

Figure 3.

Deletion of the PSI Results in the Redirection of Phytepsin to the Apoplast.

In situ localization of PhytepsinΔPSI (A) and wild-type Phytepsin (B) in roots from transgenic tobacco plants using immunogold electron microscopy. Note the apoplastic localization of electron-dense material labeled with Phytepsin antibodies in plants producing PhytepsinΔPSI. The intracellular spaces of wild-type Phytepsin–producing plants contain neither electron-dense material nor gold labeling.