Obtaining of transgenic alfalfa (Medicago sativa L.) and peanut (Arachis hypogaea L.) plants resistant to the herbicide Pursuit by Agrobacterium-mediated transformation

  • S. M. Nifantova Institute of Cell Biology and Genetic Engineering, Natl. Acad. Sci. of Ukraine, Ukraine, 03143, Kyiv, Akad. Zabolotnoho str., 148
  • I. K. Komarnytskyi Institute of Cell Biology and Genetic Engineering, Natl. Acad. Sci. of Ukraine, Ukraine, 03143, Kyiv, Akad. Zabolotnoho str., 148
  • M. V. Kuchuk Institute of Cell Biology and Genetic Engineering, Natl. Acad. Sci. of Ukraine, Ukraine, 03143, Kyiv, Akad. Zabolotnoho str., 148


Aim. The production of alfalfa and peanut cultivars with new properties is necessary. The purpose of this work was to develop Agrobacterium-mediated transformation protocol and to construct transgenic alfalfa and peanut plants resistant to herbicide Pursuit Methods. Genetic transformation was carried out using cocultivation of peanut and alfalfa explants with Agrobacterium tumefaciens strain GV3101 carrying genetic construct pCB004 containing mutant ahas/als gene and nptII gene. Selection was held on the solidified callus inducing medium with 50 mkg/l Pursuit. The selected callus clones were put on the regeneration medium with the same selective agents. Obtained regeneration lines were analysed using PCR-analysis. Results. 17 peanut and 14 alfalfa regeneration lines had positive signals after PCR analysis with DNA fragments of required molecular size for ahas/als and nptII genes. Conclusions. Transgenic alfalfa and peanut plants resistant to the herbicide Pursuit were obtained.
Keywords: alfalfa, peanut, ahas/als gene, transformation.


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