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http://dx.doi.org/10.5010/JPB.2013.40.1.037

Rapid Agrobacterium-mediated genetic rice transformation method using liquid media  

Yang, Dae-Hwa (Molecular Breeding Division, NAAS Department of Agricultural Bio-Resources)
Chang, Ahn-Cheol (Molecular Breeding Division, NAAS Department of Agricultural Bio-Resources)
Ahn, Il-Pyung (Molecular Breeding Division, NAAS Department of Agricultural Bio-Resources)
Kim, Hae-Jung (Molecular Breeding Division, NAAS Department of Agricultural Bio-Resources)
Kim, Dong-Hern (Molecular Breeding Division, NAAS Department of Agricultural Bio-Resources)
Lee, Hyo-Yeon (Faculty of Biotechnology, Jeju National University)
Suh, Seok Cheol (Molecular Breeding Division, NAAS Department of Agricultural Bio-Resources)
Publication Information
Journal of Plant Biotechnology / v.40, no.1, 2013 , pp. 37-42 More about this Journal
Abstract
Rice is one of the most important cereal crops as a model plant for functional genomics of monocotyledons and usually transformed using Agrobacterium tumefaciens. However, the transformation's process using previous method is still time consuming and uneconomical, low efficiency. In this study, we established a new method by modifying the general Agrobacterium protocol especially in the infection and co-cultivation, Agrobacterium elimination, infected calli's selection steps using liquid media. We directly inoculated Agrobacterium containing a ZjLsL gene under the control of constitutive promoter into the 1- to 3-week-old rice calli derived from mature seeds. After 3 days of co-cultivation, the infected calli were transferred onto liquid media of Agrobacterium elimination and calli's selection for 3 days. The calli were transferred to calli's growth solid media for 14 days and then the calli transferred to shoot induction and root induction media. Putative transformants were initially selected on the medium containing phosphinothricin, and the PAT protein verified by PAT strip test. This method in this study would lead to reduction of substantial labor and time to generate transgenic plants.
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