| molecular epidemiological study of vibrio cholerae isolates from infected patients in teheran, iran. | a total of 110 clinical isolates of vibrio cholerae o1 biotype el tor serotype ogawa isolated in a recent outbreak from different districts of teheran, iran, was subjected to 99 carbon source utilisation tests, ribotyping and toxinogenotyping. pcr showed that the genes encoding cholera toxin (ctxa), toxin co-regulated pilus (tcp), accessory cholera enterotoxin (ace) and zonula occludens toxin (zot) were present in 100%, 100%, 97.3% and 99.1% of the isolates, respectively. restriction fragment le ... | 2000 | 11129720 |