Induction and in vitro culture of soybean crown gall tumors |
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| Authors: | H. C. Pedersen J. Christiansen R. Wyndaele |
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| Affiliation: | (1) Institute of Molecular Biology and Plant Physiology, Aarhus University, DK-8000 Aarhus C., Denmark |
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| Abstract: | Induction of crown galls on 4–6 week old soybean (Glycine max (L.) Merr.) plants cultured in growth chambers was obtained with Agrobacterium tumefaciens strains C58, T37 and ACH5. The crown galls were isolated and cultured in vitro as sterile callus and liquid suspension cultures. Transformation was tested by opine tests and by molecular hybridization of restricted cell DNA with T-DNA fragments. Protoplasts were isolated from suspension cultures. Transformed protoplasts regenerate cell walls, divide and form calli without an exogenous supply of hormones. |
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