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Streamlined generation of plant virus infectious clones using the pLX mini binary vectors
Fabio Pasin1, Xuan-An Tseng1, Leonor C Bedoya2
1Agricultural Biotechnology Research Center, Academia Sinica, 11529, Taipei, Taiwan.
Journal of Virological Methods
|September 22, 2018
Summary
A new workflow streamlines the creation of infectious clones for plant viruses using pLX binary vectors. This method enables rapid generation and agro-infection of diverse viral families for enhanced plant virus research.
Area of Science:
- Plant Virology
- Molecular Biology
- Biotechnology
Background:
- Metagenomic surveys have expanded our understanding of virus evolution and diversity.
- Infectious clones are crucial for the biological characterization of viruses.
- pLX vectors offer a versatile platform for constructing viral infectious clones.
Purpose of the Study:
- To develop and validate a streamlined workflow for generating infectious clones using pLX binary vectors.
- To demonstrate the applicability of this workflow for diverse plant virus families.
- To facilitate Agrobacterium-mediated delivery and subsequent plant infection studies.
Main Methods:
- Utilized pLX mini binary T-DNA vectors with a pBBR1 replicon for autonomous replication in E. coli and Agrobacterium.
- Employed overlap-based assembly strategies and sequencing-by-synthesis for clone construction and verification.
- Applied Agrobacterium-mediated delivery for agro-inoculation of Arabidopsis thaliana.
Main Results:
- Successfully generated infectious clones for Wasabi mottle virus (a tobamovirus) and viruses from Potyviridae, Geminiviridae, and Caulimoviridae families.
- Confirmed successful infections in Arabidopsis thaliana via multiplex RT-PCR.
- Demonstrated the workflow's efficiency in rapidly producing diverse viral infectious clones.
Conclusions:
- The described workflow significantly accelerates the generation of infectious clones for plant viruses.
- The scalability of Agrobacterium-mediated infection allows for systematic investigation of virus biology and plant-pathogen interactions.
- This approach supports the development of novel biotechnological applications in plant virology.
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