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Kanamycin-based plant transformation assay. UIA5, AB150, AB152, and AB153 were tested for the ability to mobilize T-DNA from the binary vector pROK2 that carries the nptII gene, giving rise to kanamycin-resistant calli on tobacco leaf squares. This graph represents the average number of calli per leaf square for each strain at two cell concentrations (OD600). Error bars = se (n = 14).
