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Related Experiment Video

Updated: Jul 15, 2026

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High efficiency poplar transformation.

Leland J Cseke1, Sarah Beth Cseke, Gopi K Podila

  • 1Department of Biological Sciences, The University of Alabama in Huntsville, 142 Wilson Hall, Huntsville, AL 35899, USA.

Plant Cell Reports
|May 12, 2007
PubMed
Summary

Researchers developed efficient, high-throughput transformation methods for poplar trees and hairy roots using Agrobacterium. These protocols accelerate the generation of transgenic poplars, aiding functional genomics studies in woody plants.

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Area of Science:

  • Plant Biology
  • Genetics
  • Biotechnology

Background:

  • Populus species are key model organisms for woody plant research due to their completed genome database.
  • Populus tremuloides (quaking aspen) is widespread in North America, producing abundant wood biomass.
  • Efficient genetic transformation methods are crucial for studying beneficial traits and large numbers of genes in poplars.

Purpose of the Study:

  • To develop high-throughput transformation procedures for Populus tremuloides.
  • To enable efficient generation of transgenic trees and hairy roots for functional genomics.

Main Methods:

  • Agrobacterium tumefaciens-mediated transformation of aspen seedling hypocotyls.
  • Direct thidiazuron (TDZ)-mediated shoot regeneration on selective media.
  • Agrobacterium rhizogenes-mediated generation of hairy roots.

Main Results:

  • Transformation verified by GUS reporter gene expression, PCR, and northern hybridization.
  • Transgenic trees and hairy roots generated in 3-4 months, significantly faster than traditional methods.
  • Protocols are suitable for high-throughput formats, facilitating large-scale studies.

Conclusions:

  • Developed simple, efficient, and rapid transformation protocols for Populus tremuloides.
  • These methods accelerate functional genomics research in woody plants.
  • The high-throughput nature of the protocols is advantageous for large-scale genetic studies.