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. 1986 May;83(10):3282–3286. doi: 10.1073/pnas.83.10.3282

“Agroinfection,” an alternative route for viral infection of plants by using the Ti plasmid

Nigel Grimsley *, Barbara Hohn *, Thomas Hohn *, Richard Walden †
PMCID: PMC323497  PMID: 16593697

Abstract

Most plant viruses are transmitted by insect vectors. We present an alternative method for the introduction of infectious viral DNA that uses the ability of Agrobacterium to transfer DNA from bacterial cells to plants. Cauliflower mosaic virus was chosen to develop this method because it is the best characterized plant DNA virus and can be introduced into plants via aphids, virus particles, viral DNA, or suitably treated cloned DNA. We show that systemic infection of turnips results from wounding and inoculation with strains of Agrobacterium tumefaciens in which more than one genome of cauliflower mosaic virus have been placed tandemly in the T-DNA of the tumor-inducing plasmid. Thus such constructions allow escape of the viral genome from the T-DNA once inside the plants. The combined use of the tumor-inducing plasmid and viral DNA opens the way to molecular biological approaches that are not possible with either system alone.

Keywords: Agrobacterium tumefaciens, cauliflower mosaic virus

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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