... epithelial cells of < /b> rat small and largeintestine. Eur. J. Biochem. 203, 285–293.35. Hallouin, F., Goupille, C., Le Cabellec, M., Bara, J. & Le Pendu,J. (1997) Expression of < /b> A and H blood-group ... GalNAca1,3(Fuca1,2)Galb-andGala1,3(Fuca1,2)Galb-, respectively. In humans, the ABOgene is polymorphic with A alleles encoding A transferases, B alleles encoding B transferases and O alleles ... would act exclusively onglycolipids. These possibilities remain to be tested.Availability of < /b> the rat A gene sequence will allow thesearch of < /b> genetic polymorphisms at the Abo locus in thisspecies....