One of the most momentous events in the history of life involved endosymbiosis—a process by which one organism engulfed ...

In chloroplasts, cpSRP use two mechanisms to target both chloroplast- and nuclear-encoded proteins to the thylakoid membranes that house the photosynthetic machinery (Fig. 1). The first SRP ...

Plant cells have several structures not found in other eukaryotes. In particular, organelles called chloroplasts allow plants to capture the energy of the Sun in energy-rich molecules; cell walls ...