ACID GEL DISC ELECTROPHORESIS OF TUBER PROTEINS FROM SOLANUM SPECIES

Twenty-two Solanum species were compared for possible species-related tuber protein patterns with the use of an acid gel system. From four to fourteen protein bands were present and both inter-species and intra-species band variations were apparent; several bands were present in most species while other bands were more frequent within certain species. Specific banding patterns for sixteen South American and Mexican species were determined. However, no correlation between band patterns and geographic distribution of the species was noted. Preliminary results with the acid gel system are in agreement with the earlier finding, using basic gels, of species-specific tuber protein patterns. © 1969.