Special Issue "RNA Biology in Plant Organelles"
Deadline for manuscript submissions: closed (31 December 2020) | Viewed by 17717
Interests: plant gene expression; mitochondria and chloroplasts; RNA binding proteins; RNA maturation; translation; ribosomes
Mitochondria and chloroplasts are essential components of the plant cell. They are derived from the successive endosymbiosis of an alpha-proteobacterial and a cyanobacterial ancestor. Compared with other eukaryotes, RNA metabolism in plant organelles is complex and combines bacterial-like traits with novel features that evolved in the host cell. These complex RNA processes are regulated by families of nuclear-encoded RNA binding proteins, often specific to eukaryotes and prominent in the green lineage. The variety of RNA precursors accumulating in chloroplasts and mitochondria highlights the importance of posttranscriptional processes to determine the size and abundance of transcripts. In he recent years, tremendous progress has occurred in identifying novel factors, often belonging to the large family of helical repeat modular proteins and in understanding how these factors are organized into functional complexes. However, major gaps remain, in particular in understanding how independent RNA processes are interconnected to achieve organellar gene expression and how these pathways are regulated during plant development or in response to environmental cues.
This Special Issue aims to summarize the current knowledge on RNA metabolism in plant organelles, from RNA transcription to translation, with a special focus on their unique features that are controlled by plant-specific trans-factors.
We look forward to your contributions.Dr. Philippe Giegé
Dr. Laurence Marechal-Drouard
Manuscript Submission Information
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- photosynthetic organisms
- mitochondria and chloroplasts
- gene expression and regulation
- RNA binding proteins