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Site-specific DNA excision in transgenic rice with a cell-permeable Cre recombinase

文献类型: 外文期刊

作者: Cao, MX 1 ; Huang, JQ 2 ; Yao, QH 2 ; Liu, SJ 2 ; Wang, CL 2 ; Wei, ZM 3 ;

作者机构: 1.Chinese Acad Sci, Shanghai Inst Biol Sci, Inst Plant Physiol & Ecol, Natl Lab Plant Mol Genet, Shanghai 200032, Peoples R China

2.Chinese Acad Sci, Shanghai Inst Biol Sci, Inst Plant Physiol & Ecol, Natl Lab Plant Mol Genet, Shanghai 200032, Peoples R China; Shanghai Acad Agr Sci, Agrobiotech Res Ctr, Shanghai 201106, Peoples R China

3.Chinese Acad Sci, Shanghai Inst Biol Sci, Inst Plant Physiol & Ecol

关键词: NITS;cell-permeable Cre recombinase;marker-free;transgenic rice plants;biosafety

期刊名称:MOLECULAR BIOTECHNOLOGY ( 影响因子:2.695; 五年影响因子:2.303 )

ISSN: 1073-6085

年卷期: 2006 年 32 卷 1 期

页码:

收录情况: SCI

摘要: The removal of selected marker genes from transgenic plants is necessary to address biosafety concerns and to carry out further experiments with transgenic organisms. In the present study, the 12-amino-acid membrane translocation sequence (MTS) from the Kaposi fibroblast growth factor (FGF)-4 was used as a carrier to deliver enzymatically active Cre proteins into living plant cells, and to produce a site-specific DNA excision in transgenic rice plants. The process, which made cells permeable to Cre recombinase-mediated DNA recombination, circumvented the need to express Cre under spatiotemporal control and was proved to be a simple and efficient system to achieve marker-free transgenic plants. The ultimate aim of the present study is to develop commercial rice cultivars free from selected marker genes to hasten public acceptance of transgenic crops.

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