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

R.J. Slater; J.A. Bryant

doi:10.1093/jxb/38.6.1026

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

R.J. Slater
, J.A. Bryant

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

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.

Original language	English
Pages (from-to)	1026-1032
Number of pages	7
Journal	Journal of Experimental Botany
Volume	38
Issue number	6
DOIs	https://doi.org/10.1093/jxb/38.6.1026
Publication status	Published - 1 Jun 1987

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10.1093/jxb/38.6.1026

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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.",

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N2 - 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.

AB - 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.

UR - https://www.scopus.com/pages/publications/0040095559

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JO - Journal of Experimental Botany

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ER -

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

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