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Letter

Nature Cell Biology 7, 1224–1231 (1 December 2005) | doi:10.1038/ncb1330

Evidence for a protein transported through the secretory pathway en route to the higher plant chloroplast

Arsenio Villarejo , Stefan Bur|[eacute]|n , Susanne Larsson , Annabelle D|[eacute]|jardin , Magnus Monn|[eacute]| , Charlotta Rudhe , Jan Karlsson , Stefan Jansson , Patrice Lerouge , Norbert Rolland , Gunnar von Heijne , Markus Grebe , Laszlo Bako & G|[ouml]|ran Samuelsson

In contrast to animal and fungal cells, green plant cells contain one or multiple chloroplasts, the organelle(s) in which photosynthetic reactions take place. Chloroplasts are believed to have originated from an endosymbiotic event and contain DNA that codes for some of their proteins.