Biologia plantarum 33:40-48, 1991 | DOI: 10.1007/BF02873786
Transgenic Tobacco plants with T-DNA Phytohormone synthesis genes
- 1 Institute of Plant Molecular Biology, Czechoslovak Academy of Sciences, České Budějovice, Czechoslovakia
- 2 Institute of Plant Physiology of A. K. Timiryazev, Academy of Sciences of USSR, Moscow, USSR
- 3 Research Institute for Crop Production, Praha 6, Czechoslovakia
Agrobacterium tumefaciens binary vectors carrying kanamycin resistance gene and either C58 T-DNA gene 4 for cytokinin synthesis or genes 1 and 2 for auxin synthesis were constructed and used for transformation of a short-day tobacco Maryland Mammoth. Kanamycin resistant plants were regenerated from a small fraction of transformed tissue and the presence of T-DNA in their genome was verified by Southern blotting. The level of endogenous cytokinin in plants transgenic for gene 4 and the level of endogenous IAA in those transgenic for genes 1 and 2 increased by more than 100 %. A number of morphological characteristics distinguish them from untransformed controls.
Received: December 7, 1989; Accepted: April 5, 1990; Published: January 1, 1991 Show citation
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