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Application of Marker-free Transgenic Technology in Vegetable Crops |
WANG Ye,GU Xing-fang |
Institute of Vegetables and Flowers,Chinese Academy of Agricultural Sciences,Beijing 100081,China |
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Abstract The selectable marker genes such as antibiotic and herbicide resistant were used to select the transgenic plants in most plant genetic transformation.But these resistant marker genes could cause potential hazards in human health and ecological environment security.There are 2 methods available to get marker-free transgenic plant now.One is using the safe marker,the other is removing the resistant marker gene after selection.This paper expounds the recent research progress about the on-using safe marker gene and technique of eliminating resistant marker gene and their application in vegetable crops.It also briefly analyzes the advantages and disadvantages of these 2 methods and prospects their future development.
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Received: 07 March 2011
Published: 03 May 2011
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