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KMID : 0903519720150030187
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
1972 Volume.15 No. 3 p.187 ~ p.192
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Ribonucleic Acid and Ribonuclease Activity in the Developing Shoot of Rice Plants at Low Temperature
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Abstract
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The qualitative and quantitative changes in RNA in terms of RNase activity of rice plants subjected to the chilling temperature were studied.
The total RNA level increased at the early stage and thereafter decreased continuously while the progress of the chilling injury.
The change of total RNA was mainly dependent upon the change of ribosomal RNA with soluble RNA less changed.
Parallelism between total RNA level and RNase activity was observed at the early stage of chilling injury, while the inverse relationship of RNA-RNase was seen in the later stage.
Our observations indicate that synthetic function of RNase may be more closely related to ribosomal RNA than soluble RNA.
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