CODON RECOGNITION MECHANISMS IN PLANT CHLOROPLASTS

被引：54

作者：

PFITZINGER, H

WEIL, JH

PILLAY, DTN

GUILLEMAUT, P

机构：

[1] UNIV STRASBOURG 1,INST BIOL MOLEC PLANTES,12 RUE GEN ZIMMER,F-67084 STRASBOURG,FRANCE

[2] UNIV WINDSOR,DEPT BIOL,WINDSOR N9B 3P4,ONTARIO,CANADA

[3] UNIV STRASBOURG 1,INST TECHNOL,F-67070 STRASBOURG,FRANCE

来源：

PLANT MOLECULAR BIOLOGY | 1990年 / 14卷 / 05期

关键词：

chloroplast; codon reading mechanism; codon-anticodon interaction; tRNA;

D O I：

10.1007/BF00016513

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：

In chloroplasts, all 61 sense codons are found in chloroplast (cp) DNA sequences coding for proteins. However among the sequenced cp tRNAs or tRNA genes, tRNAs with anticodons complementary to codons CUU/C (Leu), CCU/C (Pro), GCU/C (Ala) and CGC/A/G (Arg) [or CGC/A (Arg) in Marchantia] have not been found. In this paper we show that cp tRNAAla(U*GC), cp tRNAPro(U*GG) and cp tRNAArg(ICG) are able to decode the corresponding four-codon family. In the case of leucine codons CUU/C, we show that 'U:U and U:C wobble' mechanisms can operate to allow the reading of these codons by cp tRNALeu (UAm7G). © 1990 Kluwer Academic Publishers.

引用

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页码：805 / 814

页数：10

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