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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 9 8() pii

Abstract

Twin-arginine translocation pathways have been well characterized in bacteria and chloroplasts. However, genes encoding for a TatC protein are found in almost all plant mitochondrial genomes. For the first time it could be demonstrated that this mitochondrial encoded TatC is a functional gene which is translated into a protein in the model plant Arabidopsis thaliana An inner membrane localized TatB like subunit was also identified, which 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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