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Stimulierung des Aminosäure-Einbaus in vitro durch niedermolekulare RNA in Chlorella

Stimulation of amino acid incorporation in vitro by low molecular weight RNA in Chlorella

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Summary

The nucleic acids of the particle-fraction (pellet 30,000 g) of Chlorella enhance the amino acid incorporation in vitro in cell-free systems of the same organism.

After sucrose density gradient centrifugation, the most stimulating RNA component is found to be a low molecular weight RNA sedimenting between the soluble RNA and the smaller ribosomal RNA component. This stimulating RNA is not identical with transfer-RNA.

Zusammenfassung

Die Nucleinsäuren der Grobpartikelfraktion (Sediment 30 000 g) von Chlorella stimulieren den Aminosäure-Einbau im zellfreien, Proteinsynthetisierenden System desselben Organismus. Auftrennung dieser Nucleinsäuren im Rohrzucker-Dichtegradienten ergibt unterschiedliche Stimulierung des Einbaus durch die einzelnen RNA-Komponenten. Die stärkste Förderung wird mit einer niedermolekularen RNA erreicht, die zwischen der löslichen und der leichteren ribosomalen RNA sedimentiert und die nicht mit transfer-RNA identisch ist.

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Herrn Professor Dr. Richard Harder zum 80. Geburtstag gewidmet.

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Galling, G. Stimulierung des Aminosäure-Einbaus in vitro durch niedermolekulare RNA in Chlorella . Planta 79, 44–49 (1968). https://doi.org/10.1007/BF00388820

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  • DOI: https://doi.org/10.1007/BF00388820

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