[大鼠肝细胞核中多聚腺苷酸聚合酶的昼夜节律]
[Circadian rhythm of poly A polymerase in rat liver nuclei].
作者信息
Corti A, Casti A, Drusiani F, Rossini G P
出版信息
Ateneo Parmense Acta Biomed. 1979;50(1):35-8.
PMID:233201
Abstract
Isolated nuclei from the liver of rats maintained under daily scheduled conditions of light (12 hrs) and food (8 hrs) showed a peak of Mn2+-dependent poly (A) polymerase activity 6 hrs after the beginning of the feeding period, as shown by DNA dependent RNA polymerase B. In fasting animals the peak of poly (A) polymerase occurs at 18.00.
摘要
在每日固定光照（12小时）和进食（8小时）条件下饲养的大鼠肝脏中分离出的细胞核，如依赖DNA的RNA聚合酶B所示，在进食期开始6小时后，显示出Mn2+依赖性多聚（A）聚合酶活性的峰值。在禁食动物中，多聚（A）聚合酶的峰值出现在18:00。
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