Plastid state- and light-dependent regulation of the expression of nucleus-encoded genes for chloroplast proteins in the flagellate Euglena gracilis
Language English Country United States Media print
Document type Journal Article, Research Support, Non-U.S. Gov't
PubMed
11899478
DOI
10.1007/bf02814435
Knihovny.cz E-resources
- MeSH
- Cell Nucleus genetics MeSH
- Chloroplasts chemistry metabolism MeSH
- Cytochrome c Group genetics MeSH
- Euglena gracilis genetics metabolism MeSH
- Photosynthetic Reaction Center Complex Proteins genetics MeSH
- Transcription, Genetic MeSH
- Hydroxymethylbilane Synthase analysis genetics metabolism MeSH
- RNA, Messenger analysis MeSH
- Mutation MeSH
- Blotting, Northern MeSH
- Plastids metabolism MeSH
- Proteins genetics metabolism MeSH
- Gene Expression Regulation MeSH
- Ribulose-Bisphosphate Carboxylase genetics MeSH
- Light * MeSH
- Light-Harvesting Protein Complexes * MeSH
- Blotting, Western MeSH
- Animals MeSH
- Check Tag
- Animals MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Names of Substances
- cytochrome C-552 MeSH Browser
- cytochrome c553 MeSH Browser
- Cytochrome c Group MeSH
- Photosynthetic Reaction Center Complex Proteins MeSH
- fucoxanthin-, chlorophyll a-c-containing protein MeSH Browser
- Hydroxymethylbilane Synthase MeSH
- RNA, Messenger MeSH
- Proteins MeSH
- Ribulose-Bisphosphate Carboxylase MeSH
- Light-Harvesting Protein Complexes * MeSH
Interorganellar regulatory interactions in the flagellate Euglena gracilis were shown to be more complicated than in green algae and higher plants. Euglena plastids have a much more complex influence on nuclear gene expression than was previously thought. The petJ gene for cytochrome c6 represents a group of nucleus-encoded genes for chloroplast proteins, the expression of which is influenced by the state of plastids at the transcriptional level. Moroever, the regulation of these genes might be light-dependent. In contrast, for nucleus-encoded small subunit of ribulose-bisphosphate carboxylase, chlorophyll a/b binding protein, and porphobilinogen deaminase transcript levels are unchanged in wild-type cells relative to white mutants. In these cases there is no plastid-derived signal operative during transcription. Porphobilinogen deaminase appeared to be regulated even at the post-translational level.
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