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Full Description
A recent volume of this series (Signals and Signal Transduction Pathways in Plants (K. Palme, ed.) Plant Molecular Biology 26, 1237-1679) described the relay races by which signals are transported in plants from the sites of stimuli to the gene expression machinery of the cell. Part of this machinery, the transcription apparatus, has been well studied in the last two decades, and many important mechanisms controlling gene expression at the transcriptional level have been elucidated. However, control of gene expression is by no means complete once the RNA has been produced. Important regulatory devices determine the maturation and usage of mRNA and the fate of its translation product. Post-transcriptional regulation is especially important for generating a fast response to environmental and intracellular signals. This book summarizes recent progress in the area of post-transcriptional regulation of gene expression in plants. 18 chapters of the book address problems of RNA processing and stability, regulation of translation, protein folding and degradation, as well as intracellular and cell-to-cell transport of proteins and nucleic acids. Several chapters are devoted to the processes taking place in plant organelles.
Contents
RNA processing and stability.- Splicing of precursors to messenger RNA in higher plants: mechanism, regulation and sub-nuclear organisation of the spliceosomal machinery.- Plant mRNA 3?-end formation.- Control of mRNA stability in higher plants.- RNA as a target and an initiator of post-transcriptional gene silencing in transgenic plants.- RNA structure and regulation of gene expression.- Translation.- The plant translational apparatus.- Translational control of cellular and viral mRNAs.- Translation in plant: rules and exceptions.- Fate of translation products.- Molecular chaperones and protein folding in plants.- Transport of proteins in eukaryotic cells: more questions ahead.- Plasmodesmal cell-to-cell transport of proteins and nucleic acids.- Proteolysis in plants: mechanisms and functions.- Organelles.- Regulation of gene expression in plant mitochondria.- Regulation of gene expression in chloroplasts of higher plants.- Post-transcriptional regulation of chloroplast gene expression In Chlamydomonas reinhardtii.- RNA editing in plant mitochondria and chloroplasts.- Special topics.- Gene expression from viral RNA genomes.- Optimizing expression of transgenes with an emphasis on post-transcriptional events.
