PfGSTF2 endows resistance to quizalofop‐p‐ethyl in Polypogon fugax by GSH conjugation
2024
How a Plant Fights Herbicides
publication
10 minutes
Evidence: high
Author Information
Author(s): Wen Chen, Bai Dingyi, Liao Yuxi, Yu Qin, Bai Lianyang, Pan Lang
Primary Institution: Hunan Agricultural University
Hypothesis
Weed GST confers herbicide resistance.
Conclusion
The study found that the PfGSTF2 gene plays a significant role in the resistance of Polypogon fugax to the herbicide quizalofop-p-ethyl through enhanced metabolism.
Supporting Evidence
- Transgenic rice calli overexpressing PfGSTF2 showed resistance to quizalofop-p-ethyl.
- CRISPR/Cas9 knockout of the orthologous gene in rice increased sensitivity to quizalofop-p-ethyl.
- Recombinant PfGSTF2 detoxified quizalofop acid, generating less harmful metabolites.
Takeaway
Plants can become resistant to herbicides by using special proteins to break them down, making them less harmful.
Methodology
The study involved cloning and characterizing GST genes, transgenic rice experiments, and in vitro herbicide metabolism analysis.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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