Biologia plantarum 52:763-766, 2008 | DOI: 10.1007/s10535-008-0148-7

Exploration on the vacuum infiltration transformation of pakchoi

H.-J. Xu1,2,3, H. Zhao1, X.-F. Wang3, F. Liu1,*
1 National Engineering Research Center for Vegetables, Beijing, P.R. China
2 College of Life Science, Shandong University of Technology, Zibo, P.R. China
3 College of Horticultural Science and Engineering, Shandong Agricultural University, Tai'an, P.R. China

Agrobacterium tumefaciens mediated vacuum infiltration transformation in planta has been established in pakchoi, a kind of Chinese cabbage, but the transformation frequency in harvested seeds has varied in the range of 0.5 to 3.0 × 10-4 over several years and is much lower than the transformation frequency in Arabidopsis thaliana. To understand that, the distribution and vitality changes of A. tumefaciens in plant tissues were examined. Results revealed that there was a majority of A. tumefaciens in the flower compared with that in the stem and in the leaf at all times after infiltration. As fact of transformants in the upper part of the treated plant (T0) stalk and fact of the survival of A. tumefaciens in the plant were proved, possibilities of optimizing the transformation conditions to increase the transformation frequency in pakchoi was discussed.

Keywords: Agrobacterium tumefaciens; Arabidopsis; Brassica rapa ssp. chinensis
Subjects: Agrobacterium tumefaciens; Arabidopsis thaliana; Brassica rapa; Chinese cabbage; genetic transformation

Received: June 9, 2007; Accepted: March 30, 2008; Published: December 1, 2008Show citation

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Xu, H.-J., Zhao, H., Wang, X.-F., & Liu, F. (2008). Exploration on the vacuum infiltration transformation of pakchoi. Biologia plantarum, 52(4), 763-766. doi: 10.1007/s10535-008-0148-7.
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