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1. Increased interregional virus exchange and nucleotide diversity outline the expansion of chikungunya virus in Brazil

Author

Xavier, Joilson, Alcantara, Luiz Carlos Junior, Fonseca, Vagner, Lima, Mauricio, Castro, Emerson, Fritsch, Hegger, Oliveira, Carla, Guimarães, Natalia, Adelino, Talita, Evaristo, Mariane, Rodrigues, Evandra S., Santos, Elaine Vieira, de La-Roque, Debora, de Moraes, Laise, Tosta, Stephane, Neto, Adelino, Rosewell, Alexander, Mendonça, Ana Flavia, Leite, Anderson, Vasconcelos, Andreza, Silva de Mello, Arabela L., Vasconcelos, Bergson, Montalbano, Camila A., Zanluca, Camila, Freitas, Carla, de Albuquerque, Carlos F. C., Duarte dos Santos, Claudia Nunes, Santos, Cleiton S., dos Santos, Cliomar Alves, Gonçalves, Crhistinne C. Maymone, Teixeira, Dalane, Neto, Daniel F. L., Cabral, Diego, de Oliveira, Elaine C., Noia Maciel, Ethel L., Pereira, Felicidade Mota, Iani, Felipe, de Carvalho, Fernanda P., Andrade, Gabriela, Bezerra, Gabriela, de Castro Lichs, Gislene G., Pereira, Glauco Carvalho, Barroso, Haline, Franz, Helena Cristina Ferreira, Ferreira, Hivylla, Gomes, Iago, Riediger, Irina N., Rodrigues, Isabela, de Siqueira, Isadora C., Silva, Jacilane, Rico, Jairo Mendez, Lima, Jaqueline, Abrantes, Jayra, do Nascimento, Jean Phellipe M., Wasserheit, Judith N., Pastor, Julia, de Magalhães, Jurandy J. F., Luz, Kleber Giovanni, Lima Neto, Lidio G., Frutuoso, Livia C. V., da Silva, Luana Barbosa, Sena, Ludmila, de Sousa, Luis Arthur F., Pereira, Luiz Augusto, Demarchi, Luiz, Câmara, Magaly C. B., Astete, Marcela G., Almiron, Maria, Lima, Maricelia, Umaki Zardin, Marina C. S., Presibella, Mayra M., Falcão, Melissa B., Gale, Jr., Michael, Freire, Naishe, Marques, Nelson, de Moura, Noely F. O., Almeida Da Silva, Pedro E., Rabinowitz, Peter, da Cunha, Rivaldo V., Trinta, Karen S., do Carmo Said, Rodrigo F., Kato, Rodrigo, Stabeli, Rodrigo, de Jesus, Ronaldo, Hans Santos, Roselene, Kashima, Simone, Slavov, Svetoslav N., Andrade, Tamires, Rocha, Themis, Carneiro, Thiago, Nardy, Vanessa, da Silva, Vinicius, Carvalho, Walterlene G., Van Voorhis, Wesley C., Araujo, Wildo N., de Filippis, Ana M. B., and Giovanetti, Marta

Published
2023
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3. Re-emergence of Gamma-like-II and emergence of Gamma-S:E661D SARS-CoV-2 lineages in the south of Brazil after the 2021 outbreak

Author

Oliveira, Mauro M., Schemberger, Michelle O., Suzukawa, Andreia A., Riediger, Irina N., do Carmo Debur, Maria, Becker, Guilherme, Resende, Paola Cristina, Gräf, Tiago, Balsanelli, Eduardo, de Baura, Valter Antônio, de Souza, Emanuel M., Pedrosa, Fábio O., Alves, Lysangela R., Blanes, Lucas, Nardelli, Sheila Cristina, Aguiar, Alessandra M., Albrecht, Letusa, Zanette, Dalila, Ávila, Andréa R., Morello, Luis Gustavo, Marchini, Fabricio K., dos Santos, Hellen G., Passetti, Fabio, Dallagiovanna, Bruno, and Faoro, Helisson

Published
2021
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5. Increased interregional virus exchange and nucleotide diversity outline the expansion of the chikungunya virus ECSA lineage in Brazil

Author

Xavier, Joilson, primary, Alcantara, Luiz, additional, Fonseca, Vagner, additional, Lima, Mauricio, additional, Castro, Emerson, additional, Fritsch, Hegger, additional, Oliveira, Carla, additional, Guimarães, Natalia, additional, Adelino, Talita, additional, Evaristo, Mariane, additional, Rodrigues, Evandra S., additional, Santos, Elaine Vieira, additional, de La-Roque, Debora, additional, de Moraes, Laise, additional, Tosta, Stephane, additional, Neto, Adelino, additional, Rosewell, Alexander, additional, Mendonça, Ana Flavia, additional, Leite, Anderson, additional, Vasconcelos, Andreza, additional, Silva de Mello, Arabela L., additional, Vasconcelos, Bergson, additional, Montalbano, Camila A., additional, Zanluca, Camila, additional, Freitas, Carla, additional, de Albuquerque, Carlos F. C., additional, Duarte dos Santos, Claudia Nunes, additional, Santos, Cleiton S., additional, Alves dos Santos, Cliomar, additional, Maymone Gonçalves, Crhistinne C., additional, Teixeira, Dalane, additional, Neto, Daniel F. L., additional, Cabral, Diego, additional, de Oliveira, Elaine C., additional, Noia Maciel, Ethel L., additional, Pereira, Felicidade Mota, additional, Iani, Felipe, additional, de Carvalho, Fernanda P., additional, Andrade, Gabriela, additional, Bezerra, Gabriela, additional, de Castro Lichs, Gislene G., additional, Pereira, Glauco Carvalho, additional, Barroso, Haline, additional, Ferreira Franz, Helena Cristina, additional, Ferreira, Hivylla, additional, Gomes, Iago, additional, Riediger, Irina N., additional, Rodrigues, Isabela, additional, de Siqueira, Isadora C., additional, Silva, Jacilane, additional, Rico, Jairo Mendez, additional, Lima, Jaqueline, additional, Abrantes, Jayra, additional, do Nascimento, Jean Phellipe M., additional, Wasserheit, Judith N., additional, Pastor, Julia, additional, de Magalhães, Jurandy J. F., additional, Luz, Kleber Giovanni, additional, Lima Neto, Lidio G., additional, Frutuoso, Livia C. V., additional, da Silva, Luana Barbosa, additional, Sena, Ludmila, additional, de Sousa, Luis Arthur F., additional, Pereira, Luiz Augusto, additional, Demarchi, Luiz, additional, Câmara, Magaly C. B., additional, Astete, Marcela G., additional, Almiron, Maria, additional, Lima, Maricelia, additional, Umaki Zardin, Marina C. S., additional, Presibella, Mayra M., additional, Falcão, Melissa B., additional, Gale, Michael, additional, Freire, Naishe, additional, Marques, Nelson, additional, de Moura, Noely F. O., additional, Almeida Da Silva, Pedro E., additional, Rabinowitz, Peter, additional, da Cunha, Rivaldo V., additional, Trinta, Karen S., additional, do Carmo Said, Rodrigo F., additional, Kato, Rodrigo, additional, Stabeli, Rodrigo, additional, de Jesus, Ronaldo, additional, Santos, Roselene Hans, additional, Haddad, Simone K., additional, Slavov, Svetoslav N., additional, Andrade, Tamires, additional, Rocha, Themis, additional, Carneiro, Thiago, additional, Nardy, Vanessa, additional, da Silva, Vinicius, additional, Carvalho, Walterlene G., additional, Van Voorhis, Wesley C., additional, Araujo, Wildo N., additional, de Filippis, Ana M.B., additional, and Giovanetti, Marta, additional

Published
2023
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6. Additional file 8 of Re-emergence of Gamma-like-II and emergence of Gamma-S:E661D SARS-CoV-2 lineages in the south of Brazil after the 2021 outbreak

Author

Oliveira, Mauro M., Schemberger, Michelle O., Suzukawa, Andreia A., Riediger, Irina N., do Carmo Debur, Maria, Becker, Guilherme, Resende, Paola Cristina, Gr��f, Tiago, Balsanelli, Eduardo, de Baura, Valter Ant��nio, de Souza, Emanuel M., Pedrosa, F��bio O., Alves, Lysangela R., Blanes, Lucas, Nardelli, Sheila Cristina, Aguiar, Alessandra M., Albrecht, Letusa, Zanette, Dalila, ��vila, Andr��a R., Morello, Luis Gustavo, Marchini, Fabricio K., dos Santos, Hellen G., Passetti, Fabio, Dallagiovanna, Bruno, and Faoro, Helisson

Abstract

Additional file 8: Appendix S1. GISAID acknowledgment file.

Published
2021
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8. Comparative performance evaluation of hepatitis C virus genotyping based on the 5' untranslated region versus partial sequencing of the NS5B region of brazilian patients with chronic hepatitis C

Author

do Carmo Debur Maria, Duarte Cesar AB, Krieger Marco A, Riediger Irina N, Santos Carlos A, Nakatani Sueli M, Carrilho Flair J, and Ono Suzane K

Subjects
HCV, genotyping, NS5B region, 5'UTR, Infectious and parasitic diseases, RC109-216
Abstract

Abstract Background Genotyping of hepatitis C virus (HCV) has become an essential tool for prognosis and prediction of treatment duration. The aim of this study was to compare two HCV genotyping methods: reverse hybridization line probe assay (LiPA v.1) and partial sequencing of the NS5B region. Methods Plasma of 171 patients with chronic hepatitis C were screened using both a commercial method (LiPA HCV Versant, Siemens, Tarrytown, NY, USA) and different primers targeting the NS5B region for PCR amplification and sequencing analysis. Results Comparison of the HCV genotyping methods showed no difference in the classification at the genotype level. However, a total of 82/171 samples (47.9%) including misclassification, non-subtypable, discrepant and inconclusive results were not classified by LiPA at the subtype level but could be discriminated by NS5B sequencing. Of these samples, 34 samples of genotype 1a and 6 samples of genotype 1b were classified at the subtype level using sequencing of NS5B. Conclusions Sequence analysis of NS5B for genotyping HCV provides precise genotype and subtype identification and an accurate epidemiological representation of circulating viral strains.

Published
2011
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9. Rapid, actionable diagnosis of urban epidemic leptospirosis using a pathogenic Leptospira lipL32-based real-time PCR assay

Author

Riediger, Irina N., primary, Stoddard, Robyn A., additional, Ribeiro, Guilherme S., additional, Nakatani, Sueli M., additional, Moreira, Suzana D. R., additional, Skraba, Irene, additional, Biondo, Alexander W., additional, Reis, Mitermayer G., additional, Hoffmaster, Alex R., additional, Vinetz, Joseph M., additional, Ko, Albert I., additional, and Wunder, Elsio A., additional

Published
2017
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13. Epstein-Barr virus

Author

Gequelin, Luciana Cristina Fagundes, primary, Riediger, Irina N, additional, Nakatani, Sueli M, additional, Biondo, Alexander W, additional, and Bonfim, Carmem M, additional

Published
2011
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17. Increased interregional virus exchange and nucleotide diversity outline the expansion of the chikungunya virus ECSA lineage in Brazil.

Author

Xavier J, Alcantara L, Fonseca V, Lima M, Castro E, Fritsch H, Oliveira C, Guimarães N, Adelino T, Evaristo M, Rodrigues ES, Santos EV, de La-Roque D, de Moraes L, Tosta S, Neto A, Rosewell A, Mendonça AF, Leite A, Vasconcelos A, Silva de Mello AL, Vasconcelos B, Montalbano CA, Zanluca C, Freitas C, de Albuquerque CFC, Duarte Dos Santos CN, Santos CS, Dos Santos CA, Maymone Gonçalves CC, Teixeira D, Neto DFL, Cabral D, de Oliveira EC, Noia Maciel EL, Pereira FM, Iani F, de Carvalho FP, Andrade G, Bezerra G, de Castro Lichs GG, Pereira GC, Barroso H, Ferreira Franz HC, Ferreira H, Gomes I, Riediger IN, Rodrigues I, de Siqueira IC, Silva J, Rico JM, Lima J, Abrantes J, do Nascimento JPM, Wasserheit JN, Pastor J, de Magalhães JJF, Luz KG, Lima Neto LG, Frutuoso LCV, da Silva LB, Sena L, de Sousa LAF, Pereira LA, Demarchi L, Câmara MCB, Astete MG, Almiron M, Lima M, Umaki Zardin MCS, Presibella MM, Falcão MB, Gale M Jr, Freire N, Marques N, de Moura NFO, Almeida Da Silva PE, Rabinowitz P, da Cunha RV, Trinta KS, do Carmo Said RF, Kato R, Stabeli R, de Jesus R, Santos RH, Haddad SK, Slavov SN, Andrade T, Rocha T, Carneiro T, Nardy V, da Silva V, Carvalho WG, Van Voorhis WC, Araujo WN, de Filippis AMB, and Giovanetti M

Abstract

The emergence and reemergence of mosquito-borne diseases in Brazil such as Yellow Fever, Zika, Chikungunya, and Dengue have had serious impacts on public health. Concerns have been raised due to the rapid dissemination of the chikungunya virus (CHIKV) across the country since its first detection in 2014 in Northeast Brazil. Faced with this scenario, on-site training activities in genomic surveillance carried out in partnership with the National Network of Public Health Laboratories have led to the generation of 422 CHIKV genomes from 12 Brazilian states over the past two years (2021-2022), a period that has seen more than 312 thousand chikungunya fever cases reported in the country. These new genomes increased the amount of available data and allowed a more comprehensive characterization of the dispersion dynamics of the CHIKV East-Central-South-African (ECSA) lineage in Brazil. Tree branching patterns revealed the emergence and expansion of two distinct subclades. Phylogeographic analysis indicated that the northeast region has been the leading hub of virus spread towards other regions. Increased frequency of C>T transitions among the new genomes suggested that host restriction factors from the immune system such as ADAR and AID/APOBEC deaminases might be driving CHIKV ECSA lineage genetic diversity in Brazil.

Published
2023
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18. Epstein-Barr virus: general factors, virus-related diseases and measurement of viral load after transplant.

Author

Gequelin LC, Riediger IN, Nakatani SM, Biondo AW, and Bonfim CM

Abstract

The Epstein-Barr virus is responsible for infectious mononucleosis syndrome and is also closely associated to several types of cancer. The main complication involving Epstein-Barr virus infection, both in recipients of hematopoietic stem cells and solid organs, is post-transplant lymphoproliferative disease. The importance of this disease has increased interest in the development of laboratory tools to improve post-transplant monitoring and to detect the disease before clinical evolution. Viral load analysis for Epstein-Barr virus through real-time polymerase chain reaction is, at present, the best tool to measure viral load. However, there is not a consensus on which sample type is the best for the test and what is its predictive value for therapeutic interventions.

Published
2011
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