Document Detail

Connecting the plastid: transporters of the plastid envelope and their role in linking plastidial with cytosolic metabolism.
MedLine Citation:
PMID:  21526967     Owner:  NLM     Status:  MEDLINE    
Plastids have a multitude of functions in eukaryotic cells, ranging from photosynthesis to storage, and a role in essential biosynthetic pathways. All plastids are of either primary or higher-order endosymbiotic origin. That is, either a photosynthetic cyanobacterium was integrated into a mitochondriate eukaryotic host cell (primary endosymbiosis) or a plastid-bearing eukaryotic cell merged with another eukaryotic cell (secondary or higher-order endosymbioses), thereby passing on the plastid between various eukaryotic lineages. For all of these endosymbioses to become functional, it was essential to establish metabolic connections between organelle and host cell. Here, we review the present understanding of metabolite exchange between plastids and the surrounding cytosol in the context of the endosymbiotic origin of plastids in various eukaryotic lineages. We show that only a small number of transporters that can be traced down to the primary endosymbiotic event are conserved between plastids of diverse origins.
Andreas P M Weber; Nicole Linka
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Review    
Journal Detail:
Title:  Annual review of plant biology     Volume:  62     ISSN:  1545-2123     ISO Abbreviation:  Annu Rev Plant Biol     Publication Date:  2011  
Date Detail:
Created Date:  2011-04-29     Completed Date:  2011-08-19     Revised Date:  2013-06-17    
Medline Journal Info:
Nlm Unique ID:  101140127     Medline TA:  Annu Rev Plant Biol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  53-77     Citation Subset:  IM    
Institute of Plant Biochemistry, Heinrich-Heine Universität Düsseldorf, 40225 Düsseldorf, Germany.
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MeSH Terms
Cytosol / metabolism*
Intracellular Membranes / chemistry,  metabolism*
Mitochondrial Membrane Transport Proteins / metabolism,  physiology
Models, Biological
Nucleotide Transport Proteins / metabolism,  physiology
Phosphate Transport Proteins / metabolism,  physiology
Plant Proteins / chemistry,  metabolism,  physiology*
Plants / chemistry,  metabolism*
Plastids / metabolism*
Rhodophyta / metabolism
Reg. No./Substance:
0/Mitochondrial Membrane Transport Proteins; 0/Nucleotide Transport Proteins; 0/Phosphate Transport Proteins; 0/Plant Proteins

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