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小麦线粒体中S7核糖体蛋白基因的特征分析

Characterization of the S7 ribosomal protein gene in wheat mitochondria.

作者信息

Zhuo D, Bonen L

机构信息

Department of Biology, University of Ottawa, Canada.

出版信息

Mol Gen Genet. 1993 Jan;236(2-3):395-401. doi: 10.1007/BF00277139.

DOI:10.1007/BF00277139
PMID:8437584
Abstract

By screening a wheat mitoplast cDNA bank, we have identified an open reading frame of 444 bp that has a derived amino acid sequence homologous to bacterial-type S7 ribosomal proteins. This gene, designated rps7, is located upstream of one of two 26S rRNA gene copies in the wheat mitochondrial genome and is expressed as an abundant mRNA of approximately 0.7 kb. Its 5' terminus maps to the end of an 80 bp element that is closely related to sequences preceding the wheat coxII, orf25 and atp6 genes. Southern hybridization analysis indicates that rps7-homologous sequences are present in the mitochondria of rice and pea, but not soybean.

摘要

通过筛选小麦线粒体基因组 cDNA 文库，我们鉴定出一个 444 bp 的开放阅读框，其推导的氨基酸序列与细菌型 S7 核糖体蛋白同源。这个基因被命名为 rps7，位于小麦线粒体基因组中两个 26S rRNA 基因拷贝之一的上游，并表达为一种约 0.7 kb 的丰富 mRNA。其 5' 末端定位于一个 80 bp 元件的末端，该元件与小麦 coxII、orf25 和 atp6 基因之前的序列密切相关。Southern 杂交分析表明，rps7 同源序列存在于水稻和豌豆的线粒体中，但不存在于大豆中。

相似文献

1
Characterization of the S7 ribosomal protein gene in wheat mitochondria.小麦线粒体中S7核糖体蛋白基因的特征分析
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2
Characterization of the wheat mitochondrial orf25 gene.小麦线粒体orf25基因的特征分析
Plant Mol Biol. 1990 Nov;15(5):793-5. doi: 10.1007/BF00016131.
3
The S7 ribosomal protein gene is truncated and overlaps a cytochrome c biogenesis gene in pea mitochondria.豌豆线粒体中的S7核糖体蛋白基因被截断，并与一个细胞色素c生物合成基因重叠。
Plant Mol Biol. 1999 May;40(1):91-7. doi: 10.1023/a:1026499906338.
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The mitochondrial S13 ribosomal protein gene is silent in wheat embryos and seedlings.线粒体S13核糖体蛋白基因在小麦胚胎和幼苗中不表达。
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Loss of RNA editing of rps1 sequences in Oenothera mitochondria.月见草属线粒体中核糖体蛋白S1序列的RNA编辑缺失。
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A gene coding for an RPS2 protein is present in the mitochondrial genome of several cereals, but not in dicotyledons.一种编码RPS2蛋白的基因存在于几种谷物的线粒体基因组中，但不存在于双子叶植物中。
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10
A gene involved in the biogenesis of c-type cytochromes is co-transcribed with a ribosomal protein gene in wheat mitochondria [corrected].小麦线粒体中一个参与c型细胞色素生物合成的基因与一个核糖体蛋白基因共转录[已修正]。
Curr Genet. 1993 Sep;24(3):248-55. doi: 10.1007/BF00351799.

引用本文的文献

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Mol Genet Genomics. 2010 Sep;284(3):207-16. doi: 10.1007/s00438-010-0562-3. Epub 2010 Jul 21.
2
Multiple physical forms of excised group II intron RNAs in wheat mitochondria.小麦线粒体中切除的II类内含子RNA的多种物理形式。
Nucleic Acids Res. 2006 May 22;34(9):2782-90. doi: 10.1093/nar/gkl328. Print 2006.
3
Variation in mitochondrial transcript profiles of protein-coding genes during early germination and seedling development in wheat.

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A rapid inexpensive method for the isolation of restrictable mitochondrial DNA from various plant sources.一种从各种植物来源中分离可限制的线粒体 DNA 的快速廉价方法。
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The S7 ribosomal protein gene is truncated and overlaps a cytochrome c biogenesis gene in pea mitochondria.豌豆线粒体中的S7核糖体蛋白基因被截断，并与一个细胞色素c生物合成基因重叠。
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A ribosomal protein L2 gene is transcribed, spliced, and edited at one site in rice mitochondria.水稻线粒体中的核糖体蛋白L2基因在一个位点进行转录、剪接和编辑。
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8
Transfer of rps19 to the nucleus involves the gain of an RNP-binding motif which may functionally replace RPS13 in Arabidopsis mitochondria.rps19向细胞核的转移涉及一个核糖核蛋白结合基序的获得，该基序可能在功能上替代拟南芥线粒体中的RPS13。
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10
The mitochondrial atpA/atp9 co-transcript in wheat and triticale: RNA processing depends on the nuclear genotype.小麦和小黑麦中的线粒体atpA/atp9共转录本：RNA加工取决于核基因型。
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The cytochrome oxidase subunit I and subunit III genes in Oenothera mitochondria are transcribed from identical promoter sequences.月见草属线粒体中的细胞色素氧化酶亚基I和亚基III基因由相同的启动子序列转录而来。
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