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Biochemistry, Biophysics, and Structural Biology Commons

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Molecular Biology

2010

Doctoral Dissertations

Toc GTPase

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Full-Text Articles in Biochemistry, Biophysics, and Structural Biology

Dynamics Of The Toc Gtpases: Modulation By Nucleotides And Transit Peptides Reveal A Mechanism For Chloroplast Protein Import, Lovett Evan Reddick May 2010

Dynamics Of The Toc Gtpases: Modulation By Nucleotides And Transit Peptides Reveal A Mechanism For Chloroplast Protein Import, Lovett Evan Reddick

Doctoral Dissertations

The chloroplast is the green organelle in the plant cell responsible for harvesting energy from sunlight and converting it into sugars and ATP. Origins of this organelle can be traced back to an endosymbiotic event in which a primitive eukaryotic cell capable of oxidative phosphorylation engulfed a free-living cyanobacterium capable of photosynthetic respiration (1). Immediately following this event the details are not clear, however what is known is that over the course of evolution, the engulfed cyanobacteria relinquished approximately 97% of its protein coding sequences to the host cell nucleus, thus making the newly formed chloroplast reliant on its host ...