EVIDENCE FOR ALTERNATIVE RNA SPLICING AND POSSIBLE ALTERNATIVE PROMOTERS IN THE HUMAN MUSCLE PHOSPHOFRUCTOKINASE GENE AT THE 5' UNTRANSLATED REGION

被引:30
作者
NAKAJIMA, H [1 ]
YAMASAKI, T [1 ]
NOGUCHI, T [1 ]
TANAKA, T [1 ]
KONO, N [1 ]
TARUI, S [1 ]
机构
[1] OSAKA UNIV,SCH MED,DEPT NUTR & PHYSIOL CHEM,OSAKA 553,JAPAN
关键词
D O I
10.1016/0006-291X(90)90856-I
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Three mRNA species for human muscle phosphofructokinase containing heterogeneous 5′ untranslated sequences were identified through cDNA cloning. Type A mRNA was essentially the same as that reported previously (Nakajima, H., et al. (1987) FEBS Lett. 223, 113). Type B mRNA was considered to be the major gene product, which contained an extra non-coding sequence within the 5′ untranslated region of type A mRNA. Amplification of mRNA by polymerase chain reaction revealed that types A and B mRNAs shared a common precursor RNA, and were alternatively spliced. Type C mRNA, homologous to the cDNA sequence from a placenta library (Sharma, P. M. et al., (1989) Gene 77, 177), was considered to be under the control of an alternative promotor. © 1990.
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页码:637 / 641
页数:5
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