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Related Concept Videos

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Recombinant DNA technology called transgenesis is often used to add a foreign gene or remove a detrimental gene from an organism. Such genetically modified organisms are called transgenic organisms.
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Related Experiment Video

Updated: Dec 11, 2025

High-throughput Screening of Recalcitrance Variations in Lignocellulosic Biomass: Total Lignin, Lignin Monomers, and Enzymatic Sugar Release
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High-throughput Screening of Recalcitrance Variations in Lignocellulosic Biomass: Total Lignin, Lignin Monomers, and Enzymatic Sugar Release

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Transgenic Poplar Designed for Biofuels.

Nathan D Bryant1, Yunqiao Pu2, Timothy J Tschaplinski3

  • 1Department of Chemical and Biomolecular Engineering, University of Tennessee, Knoxville, TN 37996, USA.

Trends in Plant Science
|June 3, 2020
PubMed
Summary
This summary is machine-generated.

Genetic modification of poplar (Populus) biomass improves biofuel conversion by reducing cell wall recalcitrance. This review covers recent advances in altering poplar

Keywords:
cell wall chemistrycellulosegeneligninrecalcitrancesaccharificationtransgenic poplar

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Transcript and Metabolite Profiling for the Evaluation of Tobacco Tree and Poplar as Feedstock for the Bio-based Industry
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Transcript and Metabolite Profiling for the Evaluation of Tobacco Tree and Poplar as Feedstock for the Bio-based Industry
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High-throughput Saccharification Assay for Lignocellulosic Materials
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High-throughput Saccharification Assay for Lignocellulosic Materials

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Area of Science:

  • Biomass energy
  • Plant biotechnology
  • Biochemical engineering

Background:

  • Poplar (Populus) is a key lignocellulosic biomass source for biofuels.
  • Biomass recalcitrance, particularly lignin content, hinders efficient enzymatic saccharification.
  • Genetic engineering offers a strategy to overcome biomass recalcitrance.

Purpose of the Study:

  • To review genetic modifications in poplar aimed at altering cell wall properties.
  • To assess the impact of these modifications on pretreatment and saccharification efficiency.
  • To highlight recent advancements in the biological conversion of transgenic poplar to biofuels.

Main Methods:

  • Review of recent scientific literature on genetically modified poplar.
  • Analysis of studies focusing on cell wall property alterations.
  • Evaluation of pretreatment efficacy and enzymatic saccharification data for transgenic poplar.

Main Results:

  • Genetic modifications can alter poplar cell wall composition, impacting biomass recalcitrance.
  • Changes in cell wall properties show promising improvements in pretreatment and saccharification.
  • While outcomes are not fully predictable, transgenic poplar demonstrates enhanced biofuel conversion potential.

Conclusions:

  • Genetic engineering is a viable strategy to reduce poplar biomass recalcitrance.
  • Optimized transgenic poplar lines show improved biofuel production efficiency.
  • Further research is needed to fully predict and control genetic modification impacts on biomass conversion.