研究报告

Analysis of Special DNA Methylated Sites Between Haploid of TwinSeedling and Its Hybrids in Rice

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  • Rice Research Institute/Key Laboratory of Southwest Crop Genetic Resources and Improvement, Ministry of Education, Sichuan Agricultural University, Chengdu 611130, China; *Corresponding author, E-mail: wuxjsau@126.com

Received date: 1900-01-01

  Revised date: 1900-01-01

  Online published: 2011-05-10

Abstract

The DNA cytosine methylation mutation at the 5′CpCpGpG sites of the haploid of SARII628, and its hybrids with Shuhui 527, Shuhui 363 were analyzed by employing the MSAP (methylation sensitive amplification polyphisim) method. A total of 765 DNA methylated sites were detected and the methylation level of hybrids was lower than that of the parents. Meanwhile, different bands between hybrids and parents were analyzed and two types of methylated sites were detected, of which one inherited from the haploid, and the other didn′t. The biological functions of genes related to methylated sites involved in cell structure, metabolize and stress reaction. Therefore, DNA methylated modifications may be involved in the regulation of related genes, playing an important role in plant growth, development and envolution.

Cite this article

WU Shao-hua,XUE Jing-jing,ZHANG Hong-yu,XU Pei-zhou,WU Xian-jun* . Analysis of Special DNA Methylated Sites Between Haploid of TwinSeedling and Its Hybrids in Rice[J]. Chinese Journal OF Rice Science, 2011 , 25(3) : 249 -255 . DOI: 10.3969/j.issn.1001-7216.2011.03.004

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