Results of typing of 10 clones isolated from one sputum sample ITM 02-0544 from Bangladesh by three methods: IS6110-RFLP, spoligotyping, and PCR with the the primer combinations Mtb1-IS1-IS2 or Mtb2-IS1-IS2. Arrows in each of the typing methods indicate differences between clone no. 8 and nine other clones. R, M. tuberculosis Mt 14323; S, M. tuberculosis H37Rv; N, negative control; M, 100-bp DNA Ladder Plus (MBI Fermentas).