The metabolism of aged seeds. The free and membrane-bound polyribosomes of germinating rye grains of different ages

The metabolism of aged seeds. The free and membrane-bound polyribosomes of germinating rye grains of different ages

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Grains of winter rye harvested in 1976, 1978, 1982 and 1984 were studied.Free and membrane-bound polyribosomes were isolated from embryos of imbibing and germinating grains.There was no correlation between grain viability and the amout FABER S.p.A. 110.0324.925 THALIA PINK F60 Cappa aspirante a parete 650 m³/h of ribosomes.

The highest incorporation of radioactive precursors (both total and specific radioactivity) was found in the RNA and ribosomal proteins from the grains with the highest viability - harvested in 1984.Lower radioactivity levels were observed in the 2 to 6 year old grains.There was no HDMI Type A to DVI-I incorporation of radioactive precursors into ribosomal proteins in dead seeds.