Transformation of pea (Pisum sativum L.) byAgrobacterium tumefaciens |
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Authors: | Johanna Puonti-Kaerlas Priska Stabel Tage Eriksson |
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Affiliation: | (1) Department of Physiological Botany, University of Uppsala, BOX 540, S-751 21 Uppsala, Sweden |
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Abstract: | Explants fromPisum sativum shoot cultures and epicotyls were transformed by cocultivation withAgrobacterium tumefaciens vectors carrying plant selectable markers and transformants could be selected on a medium containing kanamycin. Transformants could also be obtained at a low frequency by cocultivating small protoplast-derived colonies. The transformed nature of the calli obtained from selection was confirmed by opine assay and DNA analysis. In addition five cultivars of pea were tested for their response to seven differentAgrobacterium tumefaciens strains. The response pattern coincided largely between the different pea cultivars, being more dependent on the bacterial strain than the cultivar used.Abbreviations 2,4-D 2,4-dichlorophenoxyacetic acid - BA 6-benzyladenine - Km kanamycin - NAA -naphthaleneacetic acid - NOS nopaline synthase - NPT neomycin phosphotransferase - OCS octopine synthase |
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