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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Tk polyagglutination produced in vitro by an endo-beta-galactosidase.

After treatment with the culture supernatant of Bacteroides fragilis or with an endo-beta-galactosidase from Escherichia freundii, the human red blood cells are Tk-activated, i.e. agglutinable by BS II lectin and their blood group I and i activities are reduced. These results suggest that B. fragilis produces an endo-beta-galactosidase activity and that the main antigenic determinant of Tk polyagglutinable red cells is a terminal N-acetyl-glucosamine residue.[1]


  1. Tk polyagglutination produced in vitro by an endo-beta-galactosidase. Doînel, C., Andreu, G., Cartron, J.P., Salmon, C., Fukuda, M.N. Vox Sang. (1980) [Pubmed]
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