RPS3 AND RPL16 GENES DO NOT OVERLAP IN OENOTHERA MITOCHONDRIA - GTG AS A POTENTIAL TRANSLATION INITIATION CODON IN PLANT-MITOCHONDRIA

被引：48

作者：

BOCK, H ^{[1
]}

BRENNICKE, A ^{[1
]}

SCHUSTER, W ^{[1
]}

机构：

[1] INST GENBIOL FORSCH,D-14195 BERLIN,GERMANY

来源：

PLANT MOLECULAR BIOLOGY | 1994年 / 24卷 / 05期

关键词：

GROUP II INTRON; RECOMBINATION; RNA EDITING; RPL16; RPS3;

D O I：

10.1007/BF00029863

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：

Characterization of the Oenothera mitochondrial ribosomal gene cluster rps19-rps3-rpl16 shows the two genes rps3 and rpl16 to be separated by 9 nucleotides. The first codon of rpl16 is a GTG codon for valine and the only potential translational start. This GTG codon is conserved at the same position in maize, Petunia and Mauchantia mitochondria, while sequences diverge upstream. These observations suggest that GTG at least at this position may act as translation initiation codon in plant mitochondria. Analysis of RNA editing suggests both genes to code for functional ribosomal proteins in Oenothera mitochondria. A duplication/recombination event at a decanucleotide in the intron of rps3 created a pseudogene missing part of the intron and the 3' exon.

引用

页码：811 / 818

页数：8

共 20 条

[1] A TRUNCATED RECOMBINATION REPEAT IN THE MITOCHONDRIAL GENOME OF A PETUNIA CMS LINE [J].