Phenotypes of tobacco plants expressing genes for the synthesis of growth regulators
1998
Hlinkova, E. | Filipp, D. (Komenskeho Univ., Bratislava (Slovak Republic). Prirodovedecka Fakulta) | Obert, B.
The expression of genes for synthesis of auxin (iaaM and iaaH) and cytokinins (ipt) was studied in tobacco plants transformed by two Agrobacterium tumefaciens strains C 58 and LBA 4404. The strain LBA 4404 carried binary vector plasmid pCB 1334 (ipt gene) and plasmid pCB 1349 (iaaM, iaaH and ila genes). Both plasmids carried reportered gene for npt II. Obtained plants expressed incorporated genes. Significant changes in the content of chlorophylls, especially chlorophyll a, were detected in the plants carrying ipt gene and in plants transformed by the wild strain C58 of A. tumefaciens. Tobacco plants expressing ipt gene and genes from T-DNA of pTi C58 plasmid were dwarf.
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