Background:

Octopinic acid is an opine that has been found in crown gall tumors induced by the plant pathogenic bacteriumA. tumefaciens.^1,2

1.Scott, I.M.Opine content of unorganised and teratomatous tobacco crown gall tissuesPlant Sci. Lett.16(2-3)239-248(1979) 2.Menage, A., and Morel, G.Presence of a new amino acid in crowngall tissueC. R. Acad. Sci.261(9)2001-2002(1965)