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Updated: Jul 6, 2026
08:09
Annotation of Plant Gene Function via Combined Genomics, Metabolomics and Informatics
Published on: June 17, 2012
[Activation tagging and its application in plant functional genomics research]
Zhi-Miao Li1, Yue-Jian Yang, Rong-Qing Wang
1Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China. li_zhimiao@yahoo.com.cn
Yi Chuan = Hereditas
|March 12, 2008
Summary
Activation T-DNA tagging is a powerful gain-of-function mutagenesis technique for plant functional genomics. It offers advantages over loss-of-function methods for studying gene redundancy and cloning, particularly in Arabidopsis and rice.
Area of Science:
- Plant functional genomics
- Molecular biology
- Genetics
Context:
- Classical T-DNA knock-out mutagenesis relies on loss-of-function mutations.
- Activation T-DNA tagging utilizes gain-of-function mutations for enhanced screening.
- This technique is particularly useful for genes with functional redundancy.
Purpose:
- To review the principles and applications of activation T-DNA tagging in plant functional genomics.
- To highlight its advantages over traditional mutagenesis methods.
- To discuss its role in unraveling plant stress tolerance and development mechanisms.
Summary:
- Activation T-DNA tagging enables the screening of dominant mutants and simplifies gene cloning.
- Its application in Arabidopsis and rice has advanced research in plant functional genomics.
- The technique has provided insights into plant biotic/abiotic stress tolerance and developmental processes.
Impact:
- Facilitates the discovery of novel gene functions, especially for redundant genes.
- Accelerates research in plant stress responses and development.
- Offers a valuable tool for crop improvement and understanding plant biology.
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