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Proc Natl Acad Sci U S A. Aug 1988; 85(15): 5536–5540.
PMCID: PMC281793

Agrobacterium tumefaciens-mediated transformation of Arabidopsis thaliana root explants by using kanamycin selection

Abstract

Culture conditions were developed that induce Arabidopsis thaliana (L.) Heynh. root cuttings to regenerate shoots rapidly and at 100% efficiency. The shoots produce viable seeds in vitro or after rooting in soil. A transformation procedure for Arabidopsis root explants based on kanamycin selection was established. By using this regeneration procedure and an Agrobacterium tumor-inducing Ti plasmid carrying a chimeric neomycin phosphotransferase II gene (neo), transformed seed-producing plants were obtained with an efficiency between 20% and 80% within 3 months after gene transfer. F1 seedlings of these transformants showed Mendelian segregation of the kanamycin-resistance trait. The transformation method could be applied to three different Arabidopsis ecotypes. In addition to the neo gene, a chimeric bar gene conferring resistance to the herbicide Basta was introduced into Arabidopsis. The expression of the bar gene was shown by enzymatic assay.

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Selected References

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