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Plant mitochondria contain the protein translocase subunits TatB and TatC.

Plant mitochondria contain the protein translocase subunits TatB and TatC.
Author Information (click to view)

Carrie C, Weißenberger S, Soll J,


Carrie C, Weißenberger S, Soll J, (click to view)

Carrie C, Weißenberger S, Soll J,

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Journal of cell science 2016 Sep 8129(20) 3935-3947

Abstract

Twin-arginine translocation (Tat) pathways have been well-characterized in bacteria and chloroplasts. Genes encoding a TatC protein are found in almost all plant mitochondrial genomes but to date these have not been extensively investigated. For the first time it could be demonstrated that this mitochondrial-encoded TatC is a functional gene that is translated into a protein in the model plant Arabidopsis thaliana A TatB–like subunit localized to the inner membrane was also identified that is nuclear-encoded and is essential for plant growth and development, indicating that plants potentially require a Tat pathway for mitochondrial biogenesis.

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