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TILLING in Brachypodium distachyon.
Louise de Bang1, Anna Maria Torp1, Søren K Rasmussen2
1Department of Plant and Environmental Sciences, University of Copenhagen, Thorvaldsensvej 40, 1871, Frederiksberg, Denmark.
Methods in Molecular Biology (Clifton, N.J.)
|October 18, 2017
Summary
This study introduces BRACHYLIFE, a mutant population for Brachypodium distachyon. A novel TILLING protocol using fluorescent primers and capillary electrophoresis is presented for efficient mutation detection.
Area of Science:
- Plant genetics
- Molecular biology
- Biotechnology
Background:
- Targeting Induced Local Lesions IN Genomes (TILLING) is a powerful reverse genetics approach.
- Eco-TILLING extends TILLING to natural populations for studying genetic variation.
- Efficient mutation detection is crucial for crop improvement and genetic research.
Purpose of the Study:
- To develop a mutant population of Brachypodium distachyon named BRACHYLIFE.
- To establish and validate a TILLING protocol for Brachypodium using fluorescently labeled primers.
- To enable high-throughput mutation screening in Brachypodium.
Main Methods:
- Development of the BRACHYLIFE mutant population in Brachypodium distachyon.
- Optimization of PCR amplification using fluorescing primers.
- Enzymatic cleavage of DNA mismatches using Cel1 enzyme.
- Detection of cleavage products via capillary electrophoresis on an Applied Biosystems 3130xl Genetic Analyzer.
Main Results:
- Successful establishment of the BRACHYLIFE mutant population.
- Demonstration of a sensitive and specific TILLING protocol for Brachypodium.
- Efficient detection of induced mutations within the Brachypodium genome.
Conclusions:
- The BRACHYLIFE population and the developed TILLING protocol provide a valuable resource for Brachypodium genetics.
- This method facilitates rapid identification of mutations, accelerating functional genomics studies.
- The protocol is adaptable for Eco-TILLING applications in Brachypodium and related species.