Inheritance and alteration of genome methylation in F1 hybrid rice

被引：14

作者：

Takamiya, Tomoko ^{[1
,2
,3
]}

Hosobuchi, Saeko ^{[1
,2
]}

Noguchi, Tomotsugu ^{[1
,2
]}

Asai, Kenji ^{[4
]}

Nakamura, Eiji ^{[4
]}

Habu, Yoshiki ^{[5
]}

Paterson, Andrew H. ^{[6
]}

Iijima, Hiroshi ^{[3
]}

Murakami, Yasufumi ^{[2
]}

Okuizumi, Hisato ^{[1
]}

机构：

[1] NIAS, Div Genome & Biodivers Res, Tsukuba, Ibaraki 3058602, Japan

[2] Tokyo Univ Sci, Fac Ind Sci & Technol, Dept Biol Sci & Technol, Chiba, Japan

[3] Nihon Univ, Coll Pharm, Chiba, Japan

[4] Aichi Inst Technol, Fac Engn, Dept Elect & Elect Engn, Aichi, Japan

[5] NIAS, Div Plant Sci, Tsukuba, Ibaraki, Japan

[6] Univ Georgia, Plant Genome Mapping Lab, Athens, GA 30602 USA

来源：

ELECTROPHORESIS | 2008年 / 29卷 / 19期

关键词：

DNA methylation; F1; hybrid; Inheritance; Oryza sativa; Restriction landmark genome scanning;

D O I：

10.1002/elps.200700784

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

We analyzed the inheritance of DNA methylation in the first filial generation(F1) hybrid of Oryza sativa L. ("Nipponbare" x "Kasalath") by restriction landmark genome scanning (RLGS). Most parental RLGS spots were found in the F1, but eight spots (4%) showed abnormal inheritance: seven of the eight spots were missing in the F1, and one was newly detected in the F1. Here we show demethylation at restriction enzyme sites in the F1. We also found a candidate site of stable heterozygous methylation in the genome. These results show the applicability of the RLGS method for analysis of the inheritance and alteration of methylation in F1 hybrid plants.

引用

页码：4088 / 4095

页数：8

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