Abstract
This study evaluated the molecular epidemiology and biodiversity of Mycobacterium tuberculosis isolates in Zonguldak, Turkey, and investigated the presence and significance of the LAM7-TUR clone by spoligotyping and mycobacterial interspersed repetitive unit-variable number tandem repeat (MIRU-VNTR) analysis. In total, 128 isolates were tested by spoligotyping; 25 selected isolates representative of the LAM7-TUR clone and similar types were also tested by MIRU-VNTR analysis. In total, 47 distinct patterns were revealed by spoligotyping, represented by 13 clusters containing between two and 28 isolates (94 isolates in total), and 34 unique patterns (a clustering rate of 73%). Using MIRU-VNTR analysis, the clustering relationships revealed by spoligotyping were confirmed. The most common spoligotyping profile was SIT53, followed by SIT41 (LAM7-TUR) and SIT50. The SIT284 clone was another phylogeographically specific clonal complex whose presence in Turkey may be endemic. The LAM7-TUR genotype was highly prevalent in Zonguldak.
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