首页> 外文期刊>Bulletin of the Georgian Academy of Sciences >DNA Topoisomerase Activities of Nuclear Matrices Isolated by Different Slow (Two Days) and Fast (One Day) Methods from Rat Liver
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DNA Topoisomerase Activities of Nuclear Matrices Isolated by Different Slow (Two Days) and Fast (One Day) Methods from Rat Liver

机译:从大鼠肝脏的不同慢速(两天)和快速(一日)方法分离的核基质的DNA拓扑异构酶活性

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摘要

DNA topoisomerase activities of nuclear matrices isolated from rat liver by slow (two days) and fast (one day) methods were determined. It was established that nuclear matrix isolated from rat liver by slow (two days) method revealed only DNA topoisomerase I activity, while nuclear matrix isolated by fast (one day) method exhibited both DNA topoisomerase I as well as DNA topoisomerase II activities. It is supposed that during isolation of nuclear matrix using slow (two days) method protease degradation of DNA topoisomerase II takes place.
机译:测定了通过慢速(两天)和快速(一天)方法从大鼠肝脏中分离出的核基质的DNA拓扑异构酶活性。已经确定,通过慢速(两天)方法从大鼠肝脏分离的核基质仅显示DNA拓扑异构酶I活性,而通过快速(一天)方法分离的核基质显示出DNA拓扑异构酶I和DNA拓扑异构酶II活性。据推测,在使用慢速(两天)方法分离核基质的过程中,发生了DNA拓扑异构酶II的蛋白酶降解。

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