| isolation of salmonella wien heat-labile enterotoxin. | an enterotoxic activity has been identified in culture filtrates of salmonella wien. the enterotoxin causes fluid accumulation in rabbit ligated ileal loops, firm induration and erythema in rabbit skin and morphological alteration in chinese hamster ovary (cho) cell cultures; it was revealed by treatment with calcium phosphate gel, and purified on deae-sephadex a-50 and biogel a-1.5 m. the enterotoxic activity was eluted from the biogel column in two peaks. approximately 50-70% of the enterotoxi ... | 1982 | 7109966 |