... animal glycoconjugate. They actas an important component of the ligands recognized by the lectins. Recognition can be affected by specific structuralvariations and modifications of sialic acids and ... contain4-O-Ac-NeuAc [43], and rabbit erythrocytes, which contain9-O-Ac-NeuAc [41], showed maximum haemagglutination.On the other hand, human blood cells A, B and O [44,45], and sheep have ... Palatty, N. Renuka Bai and S. Jeya SuriyaDepartment of Zoology, Holy Cross College, Rochnagar, Nagercoil Tamil Nadu, India A naturally occurring hemagglutinin was detected in the serum of the...