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家蚕18S rRNA的3'末端序列与大肠杆菌16S rRNA的同源性。

Homology of the 3' terminal sequences of the 18S rRNA of Bombyx mori and the 16S rRNA of Escherchia coli.

作者信息

Samols D R, Hagenbuchle O, Gage L P

出版信息

Nucleic Acids Res. 1979 Nov 10;7(5):1109-19. doi: 10.1093/nar/7.5.1109.

DOI:10.1093/nar/7.5.1109
PMID:390496
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC342289/
Abstract

The terminal 220 base pairs (bp) of the gene for 18S rRNA and 18 bp of the adjoining spacer rDNA of the silkworm Bombyx mori have been sequenced. Comparison with the sequence of the 16S rRNA gene of Escherichia coli has shown that a region including 45 bp of the B. mori sequence at the 3' end is remarkably homologous with the 3' terminal E. coli sequence. Other homologies occur in the terminal regions of the 18S and 16S rRNAs, including a perfectly conserved stretch of 13 bp within a longer homology located 150--200 bp from the 3' termini. These homologies are the most extensive so far reported between prokaryotic and eukaryotic genomic DNA.

摘要

家蚕18S rRNA基因的末端220个碱基对（bp）以及相邻间隔rDNA的18 bp已被测序。与大肠杆菌16S rRNA基因序列的比较表明，家蚕序列3'端包含45 bp的区域与大肠杆菌3'端序列具有显著同源性。18S和16S rRNA的末端区域也存在其他同源性，包括在距离3'末端150 - 200 bp的较长同源区域内有一段13 bp的完全保守序列。这些同源性是迄今为止报道的原核生物和真核生物基因组DNA之间最广泛的同源性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd6c/342289/edb6e6b1f31b/nar00458-0013-a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd6c/342289/edb6e6b1f31b/nar00458-0013-a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd6c/342289/edb6e6b1f31b/nar00458-0013-a.jpg

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本文引用的文献

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A simple method for the preparation of 32-P-labelled adenosine triphosphate of high specific activity.一种制备高比活度32-P标记三磷酸腺苷的简单方法。
Biochem J. 1964 Jan;90(1):147-9. doi: 10.1042/bj0900147.
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Activity of colicin E3-treated ribosomes in initiation and in chain elongation.大肠杆菌素E3处理的核糖体在起始和链延伸中的活性。
Proc Natl Acad Sci U S A. 1974 Apr;71(4):1021-5. doi: 10.1073/pnas.71.4.1021.
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Colicin E 3, an inactivating agent of the ribosomal A-site.大肠杆菌素E3，一种核糖体A位点的失活剂。
通过直接化学测序法确定的五种真核生物18S rRNA的3'末端一级结构。高度保守的序列包括一个与真核生物5S rRNA互补的恒定区。
Nucleic Acids Res. 1980 Oct 10;8(19):4365-76. doi: 10.1093/nar/8.19.4365.
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Sequence and secondary structure of the colicin fragment of Bacillus stearothermophilus 16S ribosomal RNA.嗜热脂肪芽孢杆菌16S核糖体RNA的大肠杆菌素片段的序列和二级结构
Nucleic Acids Res. 1981 Oct 10;9(19):4909-17. doi: 10.1093/nar/9.19.4909.
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Nucleotide sequence of the 5'- and 3'- domains for rabbit 18S ribosomal RNA.兔18S核糖体RNA 5'和3'结构域的核苷酸序列。
Nucleic Acids Res. 1982 Jun 11;10(11):3445-57. doi: 10.1093/nar/10.11.3445.
6
Functional conservation near the 3' end of eukaryotic small subunit RNA: photochemical crosslinking of P site-bound acetylvalyl-tRNA to 18S RNA of yeast ribosomes.真核生物小亚基RNA 3'端附近的功能保守性：P位点结合的乙酰缬氨酰 - tRNA与酵母核糖体18S RNA的光化学交联
Proc Natl Acad Sci U S A. 1982 May;79(9):2817-21. doi: 10.1073/pnas.79.9.2817.
7
Secondary structure comparisons between small subunit ribosomal RNA molecules from six different species.来自六个不同物种的小亚基核糖体RNA分子之间的二级结构比较。
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