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  1. Article ; Online: Sub-lineage B.1.6 of hMPXV in a global context: Phylogeny and epidemiology.

    Molina, Iris S / Jimenez-Vasquez, Victor / Lizarraga, Wendy / Sevilla, Nieves / Hurtado, Veronica / Padilla-Rojas, Carlos

    Journal of medical virology

    2023  Volume 95, Issue 9, Page(s) e29056

    Abstract: During the 2022 COVID-19 pandemic, monkeypox emerged as a significant threat to global health. The virus responsible for the disease, the human monkeypox virus (hMPXV), underwent various genetic changes, resulting in the emergence of over a dozen ... ...

    Abstract During the 2022 COVID-19 pandemic, monkeypox emerged as a significant threat to global health. The virus responsible for the disease, the human monkeypox virus (hMPXV), underwent various genetic changes, resulting in the emergence of over a dozen distinct lineages, which could be identified by only a small number of unique mutations. As of January 25, 2023, genomic information of hMPXV generated had reached 4632 accessions in the GISAID database. In this study, we aimed to investigate the epidemiological and phylogenetic characteristics of the B.1.6 sub-lineage of hMPXV in Peru, compared with other circulating sub-lineages during the global outbreak. The B.1.6 sub-lineage, characterized by the 111029G>A mutation, was estimated to have emerged in June 2022 and was found mainly in Peru. Most cases (95.8%) were men with an average age of 33 years, and nearly half of the patients had HIV, of whom only 77.35% received antiretroviral therapy. Our findings revealed that the B.1.6, B.1.4, and B.1.2 sub-lineages were well represented and had a higher number of mutations despite having the lowest media substitution rates per site per year. Moreover, it was estimated that B.1.2 and B.1.4 appeared in February 2022 and were the first two sub-lineages to emerge. A mutation profile was also obtained for each sub-lineage, reflecting that several mutations had a pattern similar to the characteristic mutation. This study provides the first estimation of the substitution rate and ancestry of each monkeypox sub-lineage belonging to the 2022 outbreak. Based on our findings, continued genomic surveillance of monkeypox is necessary to understand better and track the evolution of the virus.
    MeSH term(s) Male ; Humans ; Adult ; Female ; Phylogeny ; Mpox (monkeypox) ; Pandemics ; COVID-19 ; Databases, Factual
    Language English
    Publishing date 2023-09-06
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 752392-0
    ISSN 1096-9071 ; 0146-6615
    ISSN (online) 1096-9071
    ISSN 0146-6615
    DOI 10.1002/jmv.29056
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Genomic analysis reveals a rapid spread and predominance of lambda (C.37) SARS-COV-2 lineage in Peru despite circulation of variants of concern.

    Padilla-Rojas, Carlos / Jimenez-Vasquez, Victor / Hurtado, Veronica / Mestanza, Orson / Molina, Iris S / Barcena, Luis / Morales Ruiz, Sandra / Acedo, Steve / Lizarraga, Wendy / Bailon, Henri / Cáceres, Omar / Galarza, Marco / Rojas-Serrano, Nancy / Vargas-Herrera, Natalia / Lope-Pari, Priscila / Huayra, Joseph / Solari, Lely

    Journal of medical virology

    2021  Volume 93, Issue 12, Page(s) 6845–6849

    Abstract: The pandemic generated by SARS-Cov-2 has caused a large number of cases and deaths in the world, but South America has been one of the continents that were most hard hit. The appearance of new variants causes concern because of the possibility that they ... ...

    Abstract The pandemic generated by SARS-Cov-2 has caused a large number of cases and deaths in the world, but South America has been one of the continents that were most hard hit. The appearance of new variants causes concern because of the possibility that they may evade the protection generated by vaccination campaigns, their greater capacity to be transmitted, or their higher virulence. We analyzed the circulating variants in Peru after improving our Genomic Surveillance program. The results indicate a steep increase of the lambda lineage (C.37) until becoming predominant between January and April 2021, despite the cocirculation of other variants of concern or interest. Lambda lineage deserves close monitoring and could probably become a variant of concern in the near future.
    MeSH term(s) COVID-19/epidemiology ; COVID-19/virology ; Genome, Viral/genetics ; Genomics/methods ; Humans ; Mutation/genetics ; Pandemics/prevention & control ; Peru/epidemiology ; SARS-CoV-2/genetics
    Language English
    Publishing date 2021-08-20
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 752392-0
    ISSN 1096-9071 ; 0146-6615
    ISSN (online) 1096-9071
    ISSN 0146-6615
    DOI 10.1002/jmv.27261
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Genomic surveillance of the Lambda SARS-CoV-2 variant in a global phylogenetic context.

    Mestanza, Orson / Lizarraga, Wendy / Padilla-Rojas, Carlos / Jimenez-Vasquez, Víctor / Hurtado, Verónica / Molina, Iris S / Barcena, Luis / Acedo, Steve / Nuñez, Alicia / Gordillo, Sara / Sevilla, Nieves / Medrano, Princesa / Bailon, Henri / Cáceres, Omar / Galarza, Marco / Rojas-Serrano, Nancy / Vargas-Herrera, Natalia / Lope-Pari, Priscila / Huayra, Joseph /
    Araujo-Castillo, Roger V / Solari, Lely

    Journal of medical virology

    2022  Volume 94, Issue 10, Page(s) 4689–4695

    Abstract: The massive sequencing of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and global genomic surveillance strategies allowed the detection of many variants of concern and interest. The variant of interest Lambda (C.37), which originated in ... ...

    Abstract The massive sequencing of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and global genomic surveillance strategies allowed the detection of many variants of concern and interest. The variant of interest Lambda (C.37), which originated in South America, has been the most prevalent in Peru and Chile, but its dispersion in other continents still remains unknown. The current study aims to determine the phylogenetic relationship among C.37 isolates worldwide, focusing on spike mutations to understand the spread of Lambda in pandemics. A total of 7441 sequences identified as C.37 were downloaded from the GISAID database; local analysis was carried out to identify spike mutations and phylogenetic analysis was carried out to determine the rate of spread of the virus. Our results showed some spike mutations of Lambda that allowed us to detect small local outbreaks in different countries that occurred in the past and identify several clades that have not yet been designated. Although the lineage C.37 is not epidemiologically relevant in Europe or North America, the endemic behavior of this variant in Peru had a major impact on the second SARS-CoV-2 wave.
    MeSH term(s) COVID-19/epidemiology ; Chile ; Genome, Viral ; Genomics ; Humans ; Mutation ; Phylogeny ; SARS-CoV-2/genetics ; Spike Glycoprotein, Coronavirus/genetics
    Chemical Substances Spike Glycoprotein, Coronavirus ; spike protein, SARS-CoV-2
    Language English
    Publishing date 2022-06-10
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 752392-0
    ISSN 1096-9071 ; 0146-6615
    ISSN (online) 1096-9071
    ISSN 0146-6615
    DOI 10.1002/jmv.27889
    Database MEDical Literature Analysis and Retrieval System OnLINE

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