Efficient tissue culture and Agrobacterium-mediated transformation of haploid poplar derived from anthers

Efficient tissue culture and Agrobacterium-mediated transformation of haploid poplar derived from... Calli were induced from anthers of Populus simonii × P. nigra. Haploid plants were then regenerated from the callus and multiplied efficiently by culturing leaf explants. The presence of both haploid and diploid cells in the same plant revealed spontaneous chromosome doubling in haploid cells. The haploid plants were transformed with the nptII gene by Agrobacterium-mediated method using leaf explants, and five independent kanamycin-resistant lines were obtained, with a transformation frequency more than 6%. Further PCR test indicated that the exogenous betA gene was transferred into these kanamycin-resistant lines, which were still haploid. Thus, the efficient tissue culture system and transformation of haploid poplar plants were achieved. Our study will contribute to forest improvement via the haploid culture and transgenic technology. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Efficient tissue culture and Agrobacterium-mediated transformation of haploid poplar derived from anthers

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Publisher
Springer Journals
Copyright
Copyright © 2007 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Plant Physiology; Plant Sciences
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1134/S102144370704019X
Publisher site
See Article on Publisher Site

Abstract

Calli were induced from anthers of Populus simonii × P. nigra. Haploid plants were then regenerated from the callus and multiplied efficiently by culturing leaf explants. The presence of both haploid and diploid cells in the same plant revealed spontaneous chromosome doubling in haploid cells. The haploid plants were transformed with the nptII gene by Agrobacterium-mediated method using leaf explants, and five independent kanamycin-resistant lines were obtained, with a transformation frequency more than 6%. Further PCR test indicated that the exogenous betA gene was transferred into these kanamycin-resistant lines, which were still haploid. Thus, the efficient tissue culture system and transformation of haploid poplar plants were achieved. Our study will contribute to forest improvement via the haploid culture and transgenic technology.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Jul 24, 2007

References

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