Angiosperm mitochondrial genomes and mutations

被引：224

作者：

Kubo, Tornohiko ^{[2
]}

Newton, Kathleen J. ^{[1
]}

机构：

[1] Univ Missouri, Div Biol Sci, Columbia, MO 65211 USA

[2] Hokkaido Univ, Res Fac Agr, Lab Genet Engn, Sapporo, Hokkaido 0608589, Japan

来源：

MITOCHONDRION | 2008年 / 8卷 / 01期

基金：

美国国家科学基金会;

关键词：

genome organization; heteroplasmy; homologous recombination; horizontal gene transfer; nuclear-mitochondrial interaction; plant mitochondria;

D O I：

10.1016/j.mito.2007.10.006

中图分类号：

Q2 [细胞生物学];

学科分类号：

071009 ; 090102 ;

摘要：

Flowering plants harbor the largest mitochondrial genomes reported so far. At present, the nucleotide sequences of 15 mitochondrial genomes from seven angiosperm species are available, making detailed comparative analysis feasible. The gene content is variable among the species, but the most striking feature is the fluidity of intergenic regions, where species-specific sequences predominate. Additionally, angiosperm mitochondrial genomes, even within a species, show a remarkable amount of rearrangement. We also review mitochondrial mutants in angiosperms from a genomic viewpoint, and discuss how they have arisen. The involvement of nuclear genes in mitochondrial genome stability and organization is currently being revealed through the analysis-of mutants. (C) 2007 Elsevier B.V. and Mitochondria Research Society. All rights reserved.

引用

页码：5 / 14

页数：10

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