1. Schnell, D.J., Kessler, F. and Blobel, G. 1994. Isolation of components of the chloroplast protein import machinery. Science 266: 1007-1012.

2. Kessler, F. et al. 1994. Identification of two GTP-binding proteins in the chloroplast protein import machinery. Science 266: 1035-1039

3. Bauer, J. et al. 2000. The major protein import receptor of plastids is essential for chloroplast biogenesis. Nature 403: 203-207.

4. Kessler, F. and Schnell, D.J. 2002. A GTPase gate for protein import into chloroplasts. Nat. Struct. Biol. 9: 81-83.

5. Kessler, F. and Schnell, D. 2005. The function and diversity of plastid protein import pathways. Traffic (in press)