Journal
FEBS JOURNAL
Volume 276, Issue 5, Pages 1187-1195Publisher
WILEY
DOI: 10.1111/j.1742-4658.2009.06876.x
Keywords
chloroplast; dual targeting; inter-organelle communication; mature protein; mitochondria; processing; receptor; regulation; sorting; targeting signal
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Funding
- Australian Research Council [DP0664692]
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As many as fifty proteins have now been experimentally demonstrated to be targeted to both mitochondria and plastids, a phenomenon referred to as dual targeting. Although the first reported case of dual targeting of a protein was reported in 1995, there is still little understanding of the mechanism of dual targeting and any similarities or differences with respect to the targeting of location-specific proteins. This minireview summarizes dual targeting in terms of signals, passenger proteins, receptors, regulation, why proteins may need to be dual targeted and the future challenges that remain in this area.
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