Lectin-binding pattern of Senegalese sole Solea senegalensis (Kaup) testis.

The localization and characterization of oligosaccharide sequences in the testis of Senegalese sole Solea senegalensis was investigated using 12 lectins in combination with KOH saponification and sialidase digestion (K-s). The interstitial compartment contained all the sugar residues investigated, those bearing oligosaccharides terminating with sialic acid (Neu5Ac) alpha2,3Galbeta1,4GlcNAc, Neu5AcGalNAcalpha1,3(LFucbeta1,2) Galbeta1,3/4GlcNAcbeta1 and GalNAcalpha1,3(LFuc1,2) Galbeta1,3/4GlcNAcbeta1 being more abundant in the medullar region than in the cortex. The melano-macrophage centres found in the interstitial compartment displayed glycans terminating with Galbeta1,3GalNAc.