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Oseltamivir-resistant influenza A(H1N1)pdm2009 strains found in Brazil are endowed with permissive mutations, which compensate the loss of fitness imposed by antiviral resistance.
Lopes e Souza TM, Fintelman-Rodrigues N, Resende PC, Mesquita M, Gregianini TS, Bozza FA, Pecego AC, Fernandes SB, Cury AL, Riediger IN, Siqueira MM. Lopes e Souza TM, et al. Among authors: gregianini ts. Mem Inst Oswaldo Cruz. 2015 Feb;110(1):101-5. doi: 10.1590/0074-02760140330. Epub 2015 Feb 27. Mem Inst Oswaldo Cruz. 2015. PMID: 25742269 Free PMC article.
Antiviral resistance surveillance for influenza A virus in Brazil: investigation on 2009 pandemic influenza A (H1N1) resistance to oseltamivir.
Souza TM, Mesquita M, Resende P, Machado V, Gregianini TS, Fernandes SB, Oliveira IC, Rosa Mdo C, Marinelli R, de Azeredo-Lima CH, Motta FC, Aguiar-Oliveira Mde L, Siqueira MM. Souza TM, et al. Among authors: gregianini ts. Diagn Microbiol Infect Dis. 2011 Sep;71(1):98-9. doi: 10.1016/j.diagmicrobio.2011.05.006. Epub 2011 Jul 23. Diagn Microbiol Infect Dis. 2011. PMID: 21784597 No abstract available.
Oseltamivir-resistant influenza A(H1N1)pdm09 virus in southern Brazil.
Marx C, Gregianini TS, Lehmann FK, Lunge VR, Carli Sd, Dambrós BP, Tumioto GL, Seadi C, Fonseca AS, Ikuta N. Marx C, et al. Among authors: gregianini ts. Mem Inst Oswaldo Cruz. 2013 May;108(3):392-4. doi: 10.1590/S0074-02762013000300021. Mem Inst Oswaldo Cruz. 2013. PMID: 23778667 Free PMC article.
Polymorphisms at residue 222 of the hemagglutinin of pandemic influenza A(H1N1)pdm09: association of quasi-species to morbidity and mortality in different risk categories.
Resende PC, Motta FC, Oliveira Mde L, Gregianini TS, Fernandes SB, Cury AL, do Carmo D Rosa M, Souza TM, Siqueira MM. Resende PC, et al. Among authors: gregianini ts. PLoS One. 2014 Mar 25;9(3):e92789. doi: 10.1371/journal.pone.0092789. eCollection 2014. PLoS One. 2014. PMID: 24667815 Free PMC article.
Prevalence of hepatitis C virus and human immunodeficiency virus in a group of patients newly diagnosed with active tuberculosis in Porto Alegre, Southern Brazil.
Costi C, Grandi T, Halon ML, Silva MS, Silva CM, Gregianini TS, Possuelo LG, Jarczewski CA, Niel C, Rossetti ML. Costi C, et al. Among authors: gregianini ts. Mem Inst Oswaldo Cruz. 2017 Apr;112(4):255-259. doi: 10.1590/0074-02760160352. Mem Inst Oswaldo Cruz. 2017. PMID: 28327789 Free PMC article.
A Potential SARS-CoV-2 Variant of Interest (VOI) Harboring Mutation E484K in the Spike Protein Was Identified within Lineage B.1.1.33 Circulating in Brazil.
Resende PC, Gräf T, Paixão ACD, Appolinario L, Lopes RS, Mendonça ACDF, da Rocha ASB, Motta FC, Neto LGL, Khouri R, de Oliveira CI, Santos-Muccillo P, Bezerra JF, Teixeira DLF, Riediger I, Debur MDC, Ribeiro-Rodrigues R, Leite AB, do Santos CA, Gregianini TS, Fernandes SB, Bernardes AFL, Cavalcanti AC, Miyajima F, Sachhi C, Mattos T, da Costa CF, Delatorre E, Wallau GL, Naveca FG, Bello G, Siqueira MM. Resende PC, et al. Among authors: gregianini ts. Viruses. 2021 Apr 21;13(5):724. doi: 10.3390/v13050724. Viruses. 2021. PMID: 33919314 Free PMC article.
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