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《Journal of Baicheng Normal College》 2009-06
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Research Progress on Plant Somaclonal Variation in Plant Tissue Culture

BAO Zhi-juan(Biological Department of Baicheng Normal's College,Baicheng 137000,China)  
Somaclonal variation in plans is a common phenomenon in plant tissue culture,which includes but confined to chromosomal changes in number and/or in structure,sequence change,DNA methylation,and gene activation and silencing.Activation of quiescent transposable elements and reteotransposons indicate that epigenetic changes occur through the culture process.In this papaer,research progress in the field of tissue-culture-associated somaclonal variation was reviewed.The effect of epigenetic changes in plant somaclonal variation is particularly emphasized.
【Fund】: 吉林省教育厅科研基金资助项目(吉教科合字[2002]第37号);; 吉林省卫生厅科研基金资助项目(吉中医药发[2005]第35号)
【CateGory Index】: Q943.1
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