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A Workflow for the Quantitative Assessment of the Endophytic and Epiphytic Bacterial Microbiomes of the Bark of Populus trichocarpa

A Workflow for the Quantitative Assessment of the Endophytic and Epiphytic Bacterial Microbiomes of the Bark of Populus trichocarpa

Published on: June 27, 2025

Populus trichocarpa.

Quanzi Li¹, Ting-Feng Yeh, Chenmin Yang

¹College of Forestry, Shandong Agricultural University, Taian, Shandong, 271018, China.

Methods in Molecular Biology (Clifton, N.J.)

|November 23, 2014

Summary

This summary is machine-generated.

This study refines Agrobacterium-mediated transformation protocols for Populus trichocarpa (black cottonwood), a key model plant for woody dicot research. Optimized methods improve genetic applications for this vital bioenergy and climate change model.

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Area of Science:

Plant Science
Molecular Biology
Biotechnology

Background:

Populus trichocarpa (black cottonwood) is a model woody plant with a fully sequenced and annotated genome.
It is crucial for studying plant growth, metabolism, adaptation, and bioenergy feedstock improvement.
Genetic applications in P. trichocarpa have been hindered by difficulties in DNA transformation.

Purpose of the Study:

To optimize and describe a detailed, step-by-step protocol for Agrobacterium-mediated genetic transformation of P. trichocarpa stem explants.
To enhance the success rate of genetic transformation in this model woody plant.
To facilitate systems biology approaches for studying metabolic and developmental processes in P. trichocarpa.

Main Methods:

Optimization of Agrobacterium-mediated transformation through variations in tissue manipulation, media, DNA constructs, and Agrobacterium strains.
Development of a modified, step-by-step protocol focusing on critical factors like tissue explant health and cocultivation duration.
Previous work established an initial transformation method (Song et al. Plant Cell Physiol 47: 1582-1589, 2006).

Main Results:

A refined and optimized protocol for Agrobacterium-mediated transformation of P. trichocarpa stem explants is presented.
Key factors for successful transformation, including tissue health and cocultivation time, have been identified.
The updated protocol aims to increase the efficiency and reproducibility of P. trichocarpa genetic transformation.

Conclusions:

This updated protocol provides a valuable resource for laboratories performing P. trichocarpa transformation.
The improved method is expected to encourage wider adoption and success in genetic studies of this model woody plant.
Enhanced transformation capabilities will advance systems biology research in P. trichocarpa, aiding in bioenergy and climate change adaptation studies.