Baranowski W, Tomaszewski J
II Kliniki Ginekologii Operacyjnej AM w Lublinie.
Ginekol Pol. 1994 May;65(5):234-8.
Phenol extracted crude tRNA samples obtained from uterine myoma tissue were additionally purified on DEAE-cellulose column and were finally fractionated on BD-cellulose column. Fractions eluted by ethanol gradient (concentration from 0% to 20%) were hybridized by dot blot technique with DNA probe which consisted of 15 nucleotides fragment complementary to 3' end of the tRNA(Phe). Five separate distinct peaks were found. According to genetic code rules restricted to two the number of tRNA(Phe) isoacceptors, it is assumed that three major peaks representing roughly 70% of total tRNA(Phe) pool, probably are hypomodified.
从子宫肌瘤组织中获得的苯酚提取粗tRNA样品,在DEAE - 纤维素柱上进一步纯化,最后在BD - 纤维素柱上进行分级分离。用乙醇梯度(浓度从0%到20%)洗脱的级分,通过斑点印迹技术与由15个核苷酸片段组成的DNA探针杂交,该片段与tRNA(Phe)的3'末端互补。发现了五个单独的不同峰。根据限于两种tRNA(Phe)同工受体数量的遗传密码规则,推测代表总tRNA(Phe)池约70%的三个主要峰可能是低修饰的。