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Adam Mickiewicz
(2013)
Die vorliegende Ausgabe der „Potsdamer Beiträge zur Sorabistik – Podstupimske pśinoski k Sorabistice“ Adam Mickiewicz, Gedichte in sorbischer Übersetzung, zusammengestellt von Alfred Měškank stellt den Jubiläumsband Nr. 10 unserer Serie dar. Wir sind sehr stolz darauf, die Serie herausgeben zu dürfen und vor allem darauf, das Jubiläum mit so einem würdigen Inhalt zu begehen. Adam Mickiewicz (1798-1855) gilt als der größte polnische Dichter, vergleichbar mit J. W. v. Goethe in Deutschland oder John Byron in England. Seine Werke sind in viele Sprachen übersetzt und dadurch in der ganzen Welt bekannt geworden. Bedeutende sorbische Dichter und Übersetzer, wie z.B. Jakub Bart-Ćišinski und Otto Lehmann-Wićaz haben seine Gedichte auch ins Sorbische übersetzt, doch diese Übersetzungen sind verstreut und dem heutigen Interessenten kaum zugänglich. Einige seiner bedeutsamsten Werke, besonders sein Versepos „Pan Tadeusz”, sowie Teile seines dramatischen Werkes „Dziady” fanden erst in neuerer Zeit einen Übersetzer. Die vorliegende Edition, die eine Zusammenstellung aller bisher ins Sorbische/Wendische übersetzten Werke des großen polnischen Dichters der Romantik darstellt, schließt diese Lücke nun.
The genetic code is degenerate; thus, protein evolution does not uniquely determine the coding sequence. One of the puzzles in evolutionary genetics is therefore to uncover evolutionary driving forces that result in specific codon choice. In many bacteria, the first 5-10 codons of protein-coding genes are often codons that are less frequently used in the rest of the genome, an effect that has been argued to arise from selection for slowed early elongation to reduce ribosome traffic jams. However, genome analysis across many species has demonstrated that the region shows reduced mRNA folding consistent with pressure for efficient translation initiation. This raises the possibility that unusual codon usage is a side effect of selection for reduced mRNA structure. Here we discriminate between these two competing hypotheses, and show that in bacteria selection favours codons that reduce mRNA folding around the translation start, regardless of whether these codons are frequent or rare. Experiments confirm that primarily mRNA structure, and not codon usage, at the beginning of genes determines the translation rate.
The genetic code is degenerate; thus, protein evolution does not uniquely determine the coding sequence. One of the puzzles in evolutionary genetics is therefore to uncover evolutionary driving forces that result in specific codon choice. In many bacteria, the first 5-10 codons of protein-coding genes are often codons that are less frequently used in the rest of the genome, an effect that has been argued to arise from selection for slowed early elongation to reduce ribosome traffic jams. However, genome analysis across many species has demonstrated that the region shows reduced mRNA folding consistent with pressure for efficient translation initiation. This raises the possibility that unusual codon usage is a side effect of selection for reduced mRNA structure. Here we discriminate between these two competing hypotheses, and show that in bacteria selection favours codons that reduce mRNA folding around the translation start, regardless of whether these codons are frequent or rare. Experiments confirm that primarily mRNA structure, and not codon usage, at the beginning of genes determines the translation rate.