A Rapid Agrobacterium-Mediated Transformation Method Using Maize B104 Immature Embryos.
Minjeong Kang1,2,3, Mercy K Azanu1,2,3, Keunsub Lee1,3
1Department of Agronomy, Iowa State University, Ames, Iowa 50011, USA.
Cold Spring Harbor Protocols
|September 19, 2024
Summary
This study presents a fast and reliable method for maize genetic transformation using immature embryos. The technique enhances crop improvement and functional genomics research by overcoming common transformation challenges.
Area of Science:
- Plant Science
- Molecular Biology
- Genetics
Background:
- Maize genetic transformation is vital for functional genomics and crop improvement.
- Routine transformation of maize inbred genotypes remains challenging for many labs.
Purpose of the Study:
- To describe a rapid and robust maize B104 genetic transformation protocol.
- To provide detailed instructions for successful maize transformation.
Main Methods:
- Utilized immature embryos as explants for maize transformation.
- Employed an Agrobacterium ternary vector system with a T-DNA binary vector (pCBL101-RUBY) and a helper plasmid (pKL2299).
- Incorporated neomycin phosphotransferase II (NptII) for selection and RUBY for visual screening.
Main Results:
- Successfully established a step-by-step protocol for maize B104 transformation.
- The method facilitates efficient regeneration of transformed plantlets.
Conclusions:
- This protocol offers a reliable solution for maize genetic transformation.
- It supports advancements in maize functional genomics and crop breeding programs.
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