Labile toxin of E.coli can be detected by the following methods of incubation except ?
Into infant rabbit bowel
Into adult rabbit skin
Infra gastrically into infant Mouse
Into Tissue Culture of Chinese Hamster ovary cells
Ans. is 'c' i.e., lntra gastrically into infant mouse Methods for detection of ETEC enterotoxins Assay LT ST In vivo tests +- + + ? Ligated rabbit deal loop Read at 6 hours Read at 18 hours Infant rabbit bowel + + Infant mouse intragastric (4 hours) - + Adult rabbit skin (vascular permeability) + ? In vitro tests Tissue culture tests Rounding of Y1 mouse adrenal cells Elongation of chinese hamster ovary (CHO) cells + ? Serological tests ELISA + (ST-ELISA with monocolonial antibody) Passive agglutination tests, passive immune - hemolysis, precipitin (Eiken's) test + Genetic tests + DNA probes +