A TRANSFER-RNA GENE-TRANSCRIPTION INITIATION SITE IS SIMILAR TO MESSENGER-RNA AND RIBOSOMAL-RNA PROMOTERS IN PLANT-MITOCHONDRIA

被引：31

作者：

BINDER, S ^{[1
]}

BRENNICKE, A ^{[1
]}

机构：

[1] INST GENBIOL FORSCH,IHNESTR 63,D-14195 BERLIN,GERMANY

来源：

NUCLEIC ACIDS RESEARCH | 1993年 / 21卷 / 22期

关键词：

D O I：

10.1093/nar/21.22.5012

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：

The gene for tRNA(Phe) is located 292 nucleotides upstream of the tRNA(Pro) gene in the Oenothera mitochondrial genome. Hybridization with in vitro capped primary transcripts indicates a transcription initiation site in the 5' region of the gene for tRNA(Phe). Primer extension experiments show the presence of precursor transcripts covering tRNA(Phe) and adjacent sequences up to a transcription initiation site 181 or 180 nucleotides upstream of the tRNA gene. The genomic sequence at this transcription initiation site contains the consensus motif derived for putative promoters of mitochondrial protein and rRNA coding genes in dicotyledonous plants. This sequence similarity suggests that tRNAs, rRNAs and mRNAs can be transcribed from homologous promoters in plant mitochondria.

引用

页码：5012 / 5019

页数：8

共 34 条

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