Production of hairy root cultures of lettuce (Lactuca sativa L.)
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Hairy root cultures of lettuce (Lactuca sativa L.) were obtained by inoculation of cotyledonary leaves of in vitro lettuce seedlings (cvs. Nansen and Ljubljanska ledenka) with Agrobacterium rhizogenes A4M70GUS. Approximately in 96.7\% cvs. Nansen and in 91.2\% Ljubljanska ledenka inoculated explants produced hairy root when they were incubated on Murashige and Skoog (MS) half-strength medium without plant growth regulators. A total of 54\% of all hairy root cultures expressed GUS activity. Every hairy root represented an independent transformation event. Line Ljubljanska ledenka 18 showed the highest biomass (5.5 times the biomass of control root). A PCR analysis of the genomic DNA confirmed the presence of marker and target genes in 15 hairy roots examined.
Кључне речи:Genetic Transformation; Agrobacterium Rhizogenes; Lettuce
Извор:Central European Journal of Biology, 2014, 9, 12, 1196-1205