Uncovering a link between a plastid translocon component and rhomboid proteases using yeast mitochondria-based assays

Rhomboid proteases are present in bacteria, insects, yeasts, parasites, mammals and plants. These proteases are part of the regulated intramembrane proteolysis mechanism for controlling processes such as development, stress response, lipid metabolism and mitochondrial membrane remodeling. Specific r...

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Veröffentlicht in:Plant and cell physiology 2007-04, Vol.48 (4), p.655-661
Hauptverfasser: Karakasis, K.(Queen's Univ., Kingston, Ontario (Canada)), Taylor, D, Ko, K
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container_issue 4
container_start_page 655
container_title Plant and cell physiology
container_volume 48
creator Karakasis, K.(Queen's Univ., Kingston, Ontario (Canada))
Taylor, D
Ko, K
description Rhomboid proteases are present in bacteria, insects, yeasts, parasites, mammals and plants. These proteases are part of the regulated intramembrane proteolysis mechanism for controlling processes such as development, stress response, lipid metabolism and mitochondrial membrane remodeling. Specific rhomboid protease substrates linked to these processes have been identified from insects to mammals, but not for plants. Identification of a link is a key step for elucidating the role of each rhomboid protease. Here, using a yeast mitochondria-based approach, we report evidence of a potential link between a plastid translocon component and organellar rhomboid proteases. This identification expands the types of processes involving regulated intramembrane proteolysis potentially to include at least one aspect of plastid protein transport.
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subjects ARABIDOPSIS
Arabidopsis - metabolism
Arabidopsis Proteins - metabolism
LEVADURA
LEVURE
Membrane Proteins - metabolism
MITOCHONDRIA
Mitochondria - metabolism
MITOCHONDRIE
MITOCONDRIA
Molecular Chaperones - metabolism
Peptide Hydrolases - metabolism
Plastids - metabolism
PROTEASAS
PROTEASE
PROTEASES
Ricinus - metabolism
Saccharomyces cerevisiae - metabolism
SERINA
SERINE
YEASTS
title Uncovering a link between a plastid translocon component and rhomboid proteases using yeast mitochondria-based assays
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