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Photooxidation of Plastids Inhibits Transcription of Nuclear Encoded Genes in Rye (Secale cereale)
Dietrich Ernst and Katja Schefbeck
Vol. 88, No. 2 (Oct., 1988), pp. 255-258
Published by: American Society of Plant Biologists (ASPB)
Stable URL: http://www.jstor.org/stable/4271560
Page Count: 4
You can always find the topics here!Topics: Messenger RNA, Seedlings, Chloroplasts, Rye, Plastids, RNA, Plants, Genes, Barley, Corn
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Rye (Secale cereale cv Halo) seedlings treated with the herbicide Norflurazon SAN 9789 showed a reduced concentration of mRNA for the small subunit of ribulose-1,5-bisphosphate carboxylase and for the light-harvesting chlorophyll a/b protein. The inhibition of mRNA accumulation by Norflurazon occurred only in the presence of high light intensities and only after a period of days. The primary effect was an inhibition of the transcription rate that occurred within 1 day after exposure of the seedlings to light.
Plant Physiology © 1988 American Society of Plant Biologists (ASPB)