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Molecular Epidemiology of HIV-1 Subtype G in the Russian Federation

1
Central Research Institute of Epidemiology, 111123 Moscow, Russia
2
Skolkovo Institute of Science and Technology, 121205 Moscow, Russia
3
Clinical Center of HIV/AIDS of the Ministry of Health of Krasnodar Region, 350015 Krasnodar, Russia
4
Department of Epidemiology, Rostov State Medical University, 344022 Rostov-on-Don, Russia
5
Rostov Research Institute of Microbiology and Parasitology, 344000 Rostov-on-Don, Russia
6
Ilya Ilyich Mechnikov Research Institute for Vaccines and Sera, 105064 Moscow, Russia
7
Republican Research and Practical Center for Epidemiology and Microbiology, 220114 Minsk, Belarus
8
Center of Strategical Planning and Management of Biomedical Health Risks of the Ministry of Health, 119121 Moscow, Russia
9
Department of infectious diseases with courses of epidemiology and phthisiology, RUDN University, 117198 Moscow, Russia
*
Author to whom correspondence should be addressed.
Viruses 2019, 11(4), 348; https://doi.org/10.3390/v11040348
Received: 26 March 2019 / Revised: 12 April 2019 / Accepted: 13 April 2019 / Published: 16 April 2019
(This article belongs to the Section Animal Viruses)
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Abstract

Although HIV-1 subtype A has predominated in Russia since the end of the 20th century, other viral variants also circulate in this country. The dramatic outbreak of HIV-1 subtype G in 1988-1990 represents the origin of this variant spreading in Russia. However, full genome sequencing of the nosocomial viral variant and an analysis of the current circulating variants have not been conducted. We performed near full-length genome sequencing and phylogenetic and recombination analyses of 11 samples; the samples were determined to be subtype G based on an analysis of the pol region. Three samples were reliably obtained from patients infected during the nosocomial outbreak. The other 8 samples were obtained from patients who were diagnosed in 2010–2015. Phylogenetic analysis confirmed that a man from the Democratic Republic of the Congo was the origin of the outbreak. We also found that currently circulating viral variants that were genotyped as subtype G according to their pol region are in fact unique recombinant forms. These recombinant forms are similar to the BG-recombinants from Western Europe, particularly Spain and Portugal. The limitations of subtyping based on the pol region suggest that these viral variants are more widespread in Europe than is currently supposed. View Full-Text
Keywords: HIV-1; subtype G; molecular epidemiology; near full-length genome sequencing; unique recombinant forms; nosocomial outbreak; Elista HIV-1; subtype G; molecular epidemiology; near full-length genome sequencing; unique recombinant forms; nosocomial outbreak; Elista
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Murzakova, A.; Kireev, D.; Baryshev, P.; Lopatukhin, A.; Serova, E.; Shemshura, A.; Saukhat, S.; Kolpakov, D.; Matuzkova, A.; Suladze, A.; Nosik, M.; Eremin, V.; Shipulin, G.; Pokrovsky, V. Molecular Epidemiology of HIV-1 Subtype G in the Russian Federation. Viruses 2019, 11, 348.

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