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        RNA polymerase activity during breakage of seed dormancy by low temperature treatment of fruits of Acer platanoides (Norway maple)

        Author
        Slater, R.J.
        Bryant, J.A.
        Attention
        2299/11121
        Abstract
        Endogenous RNA polymerase activity has been characterized in nuclei isolated from embryo axes of Acer platanoides. Optimal activity was recorded at 4·0 mol m MgCl and 50 mol m (NH) SO and total activity could be inhibited by up to 30% by α-amanitin. Stratification of fruits leads to a stimulation of RNA polymerase activity. A minimum of 3 d cold treatment is required with at least 3-fold stimulation recorded after 10 d at 4°C. The increased enzyme activity is resistant to α-amanitin suggesting an effect on RNA polymerase I.
        Publication date
        1987-06-01
        Published in
        Journal of Experimental Botany
        Published version
        https://doi.org/10.1093/jxb/38.6.1026
        Other links
        http://hdl.handle.net/2299/11121
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