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Analysis of DNA methylation in different tissues of Fenneropenaeus chinensis from the wild population and Huanghai No. 1

文献类型: 外文期刊

作者: He Yuying 1 ; Du Ying 3 ; Li Jian 1 ; Liu Ping 1 ; Wang Qingyin 1 ; Li Zhaoxia 4 ;

作者机构: 1.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Key Lab Sustainable Utilizat Marine Fisheries, Qingdao 266071, Peoples R China

2.Qingdao Natl Lab Marine Sci & Technol, Funct Lab Marine Fisheries Sci & Food Prod Proc, Qingdao 266235, Peoples R China

3.Ocean Univ China, Coll Marine Life Sci, Qingdao 266003, Peoples R China

4.Qingdao Agr Univ, Coll Marine Sci & Engn, Qingdao 266109, Peoples R China

关键词: methylation sensitive amplification polymorphism;DNA methylation;Fenneropenaeus chinensis

期刊名称:ACTA OCEANOLOGICA SINICA ( 影响因子:1.431; 五年影响因子:1.445 )

ISSN: 0253-505X

年卷期: 2015 年 34 卷 12 期

页码:

收录情况: SCI

摘要: DNA methylation plays an important role in the regulation of gene expression during biological development and tissue differentiation in eukaryotes. A methylation sensitive amplification polymorphism (MSAP) including digestion, pre-selective amplification and selective amplification was optimized to compare the levels of DNA cytosine methylation at CCGG sites in muscle, gill and hemocyte from the wild populations and the selective breeding of Huanghai No. 1 of Fenneropenaeus chinensis, respectively. Significant differences in cytosine methylation levels among three tissues in two populations were detected. The average DNA methylation ratios in muscle, gill and hemocyte of the wild population were 23.1%, 22.3% and 19.7%, while those were 21.4%, 19.6%, and 18.9% in Huanghai No. 1, respectively. The DNA methylation levels of gill from the two populations were highly significant (P<0.01), the difference of muscle was significant (P<0.05), while in hemocyte, there were no significant differences (P>0.05). DNA polymorphic methylation of gill and hemocyte between the wild population and Huanghai No. 1 varies to some extent, while those of muscle kept in a balanced degree. Furthermore, polymorphic methylation was associated with demethylation and methylation of CCGG loci.

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