Mycobacterium tuberculosis population in northwestern Russia: an update from Russian-EU/Latvian border region.
This study aimed to characterize the population structure of Mycobacterium tuberculosis in Pskov oblast in northwestern Russia, to view it in the geographical context, to compare drug resistance properties across major genetic families. Ninety M. tuberculosis strains from tuberculosis (TB) patients,...
| Main Authors: | , , , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Public Library of Science (PLoS)
2012-01-01
|
| Series: | PLoS ONE |
| Online Access: | http://europepmc.org/articles/PMC3402494?pdf=render |
| _version_ | 1819069898496671744 |
|---|---|
| author | Igor Mokrousov Anna Vyazovaya Tatiana Otten Viacheslav Zhuravlev Elena Pavlova Larisa Tarashkevich Valery Krishevich Boris Vishnevsky Olga Narvskaya |
| author_facet | Igor Mokrousov Anna Vyazovaya Tatiana Otten Viacheslav Zhuravlev Elena Pavlova Larisa Tarashkevich Valery Krishevich Boris Vishnevsky Olga Narvskaya |
| author_sort | Igor Mokrousov |
| collection | DOAJ |
| description | This study aimed to characterize the population structure of Mycobacterium tuberculosis in Pskov oblast in northwestern Russia, to view it in the geographical context, to compare drug resistance properties across major genetic families. Ninety M. tuberculosis strains from tuberculosis (TB) patients, permanent residents in Pskov oblast were subjected to LAM-specific IS6110-PCR and spoligotyping, followed by comparison with SITVITWEB and MIRU-VNTRplus databases. The Beijing genotype (n = 40) was found the most prevalent followed by LAM (n = 18), T (n = 13), Haarlem (n = 10), Ural (n = 5), and Manu2 (n = 1); the family status remained unknown for 3 isolates. The high rate of Beijing genotype and prevalence of LAM family are similar to those in the other Russian settings. A feature specific for M. tuberculosis population in Pskov is a relatively higher rate of Haarlem and T types. Beijing strains were further typed with 12-MIRU (followed by comparison with proprietary global database) and 3 hypervariable loci QUB-3232, VNTR-3820, VNTR-4120. The 12-MIRU typing differentiated 40 Beijing strains into 14 types (HGI = 0.82) while two largest types were M2 (223325153533) prevalent throughout former USSR and M11 (223325173533) prevalent in Russia and East Asia. The use of 3 hypervariable loci increased a discrimination of the Beijing strains (18 profiles, HGI = 0.89). Both major families Beijing and LAM had similar rate of MDR strains (62.5 and 55.6%, respectively) that was significantly higher than in other strains (21.9%; P = 0.001 and 0.03, respectively). The rpoB531 mutations were more frequently found in Beijing strains while LAM drug resistant strains mainly harbored rpoB516 and inhA -15 mutations. Taken together with a high rate of multidrug resistance among Beijing strains from new TB cases (79.3% versus 44.4% in LAM), these findings suggest the critical impact of the Beijing genotype on the current situation with MDR-TB in the Pskov region in northwestern Russia. |
| first_indexed | 2024-12-21T16:57:21Z |
| format | Article |
| id | doaj.art-9b7bb00aea2d4df888b7e982f092db34 |
| institution | Directory Open Access Journal |
| issn | 1932-6203 |
| language | English |
| last_indexed | 2024-12-21T16:57:21Z |
| publishDate | 2012-01-01 |
| publisher | Public Library of Science (PLoS) |
| record_format | Article |
| series | PLoS ONE |
| spelling | doaj.art-9b7bb00aea2d4df888b7e982f092db342022-12-21T18:56:44ZengPublic Library of Science (PLoS)PLoS ONE1932-62032012-01-0177e4131810.1371/journal.pone.0041318Mycobacterium tuberculosis population in northwestern Russia: an update from Russian-EU/Latvian border region.Igor MokrousovAnna VyazovayaTatiana OttenViacheslav ZhuravlevElena PavlovaLarisa TarashkevichValery KrishevichBoris VishnevskyOlga NarvskayaThis study aimed to characterize the population structure of Mycobacterium tuberculosis in Pskov oblast in northwestern Russia, to view it in the geographical context, to compare drug resistance properties across major genetic families. Ninety M. tuberculosis strains from tuberculosis (TB) patients, permanent residents in Pskov oblast were subjected to LAM-specific IS6110-PCR and spoligotyping, followed by comparison with SITVITWEB and MIRU-VNTRplus databases. The Beijing genotype (n = 40) was found the most prevalent followed by LAM (n = 18), T (n = 13), Haarlem (n = 10), Ural (n = 5), and Manu2 (n = 1); the family status remained unknown for 3 isolates. The high rate of Beijing genotype and prevalence of LAM family are similar to those in the other Russian settings. A feature specific for M. tuberculosis population in Pskov is a relatively higher rate of Haarlem and T types. Beijing strains were further typed with 12-MIRU (followed by comparison with proprietary global database) and 3 hypervariable loci QUB-3232, VNTR-3820, VNTR-4120. The 12-MIRU typing differentiated 40 Beijing strains into 14 types (HGI = 0.82) while two largest types were M2 (223325153533) prevalent throughout former USSR and M11 (223325173533) prevalent in Russia and East Asia. The use of 3 hypervariable loci increased a discrimination of the Beijing strains (18 profiles, HGI = 0.89). Both major families Beijing and LAM had similar rate of MDR strains (62.5 and 55.6%, respectively) that was significantly higher than in other strains (21.9%; P = 0.001 and 0.03, respectively). The rpoB531 mutations were more frequently found in Beijing strains while LAM drug resistant strains mainly harbored rpoB516 and inhA -15 mutations. Taken together with a high rate of multidrug resistance among Beijing strains from new TB cases (79.3% versus 44.4% in LAM), these findings suggest the critical impact of the Beijing genotype on the current situation with MDR-TB in the Pskov region in northwestern Russia.http://europepmc.org/articles/PMC3402494?pdf=render |
| spellingShingle | Igor Mokrousov Anna Vyazovaya Tatiana Otten Viacheslav Zhuravlev Elena Pavlova Larisa Tarashkevich Valery Krishevich Boris Vishnevsky Olga Narvskaya Mycobacterium tuberculosis population in northwestern Russia: an update from Russian-EU/Latvian border region. PLoS ONE |
| title | Mycobacterium tuberculosis population in northwestern Russia: an update from Russian-EU/Latvian border region. |
| title_full | Mycobacterium tuberculosis population in northwestern Russia: an update from Russian-EU/Latvian border region. |
| title_fullStr | Mycobacterium tuberculosis population in northwestern Russia: an update from Russian-EU/Latvian border region. |
| title_full_unstemmed | Mycobacterium tuberculosis population in northwestern Russia: an update from Russian-EU/Latvian border region. |
| title_short | Mycobacterium tuberculosis population in northwestern Russia: an update from Russian-EU/Latvian border region. |
| title_sort | mycobacterium tuberculosis population in northwestern russia an update from russian eu latvian border region |
| url | http://europepmc.org/articles/PMC3402494?pdf=render |
| work_keys_str_mv | AT igormokrousov mycobacteriumtuberculosispopulationinnorthwesternrussiaanupdatefromrussianeulatvianborderregion AT annavyazovaya mycobacteriumtuberculosispopulationinnorthwesternrussiaanupdatefromrussianeulatvianborderregion AT tatianaotten mycobacteriumtuberculosispopulationinnorthwesternrussiaanupdatefromrussianeulatvianborderregion AT viacheslavzhuravlev mycobacteriumtuberculosispopulationinnorthwesternrussiaanupdatefromrussianeulatvianborderregion AT elenapavlova mycobacteriumtuberculosispopulationinnorthwesternrussiaanupdatefromrussianeulatvianborderregion AT larisatarashkevich mycobacteriumtuberculosispopulationinnorthwesternrussiaanupdatefromrussianeulatvianborderregion AT valerykrishevich mycobacteriumtuberculosispopulationinnorthwesternrussiaanupdatefromrussianeulatvianborderregion AT borisvishnevsky mycobacteriumtuberculosispopulationinnorthwesternrussiaanupdatefromrussianeulatvianborderregion AT olganarvskaya mycobacteriumtuberculosispopulationinnorthwesternrussiaanupdatefromrussianeulatvianborderregion |