Genomic epidemiology of Staphylococcus aureus isolated from bloodstream infections in South America during 2019 supports regional surveillance
- Autores
- Di Gregorio, Sabrina Noelia; Vielma Vallenilla, Jesús Eduardo; Haim, Maria Sol; Rago, Lucía; Campos, Josefina; Kekre, Mihir; Abrudan, Monica; Famiglietti, Ángela; Fernández Canigia, Liliana; Rubinstein, Gabriela; Von Specht, Martha Helena; Herrera, Melina Elizabeth; Aro, Carolina; Galas, Marcelo Fabián; Balderrama Yarhui, Norah; Figueiredo, Agnes; Lincopan, Nilton; Falcon, Miryan; Guillén, Rosa; Camou, Teresa; Varela, Gustavo Alfredo; Aanensen, David M.; Argimón, Silvia; Mollerach, Marta Eugenia
- Año de publicación
- 2023
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Staphylococcus aureus remains one of the leading causes of infections worldwide and a common cause of bacteraemia. However, studies documenting the epidemiology of S. aureus in South America using genomics are scarce. We hereby report on the largest genomic epidemiology study to date of both methicillin-resistant S. aureus (MRSA) and methicillin-susceptible S. aureus (MSSA) in South America, conducted by the StaphNET-SA network. We characterised 404 genomes recovered from a prospective observational study of S. aureus bacteraemia in 58 hospitals from Argentina, Bolivia, Brazil, Paraguay and Uruguay between April and October 2019. We show that a minority of S. aureus isolates are phenotypically multi-drug resistant (5.2%), but more than a quarter are resistant to macrolide-lincosamide-streptogramin B (MLSb). MSSA were more genetically diverse than MRSA. Lower rates of associated antimicrobial resistance in community-associated(CA)-MRSA versus hospital-associated (HA)-MRSA were found in association with three S. aureus genotypes dominating the MRSA population: CC30-MRSA-IVc-t019-lukS/F-PV+, CC5-MRSA-IV-t002-lukS/F-PV- and CC8-MRSA-IVc-t008-lukS/F-PV+-COMER+. These are historically from a CA origin, carry on average fewer antimicrobial resistance determinants, and often lack key virulence genes. Surprisingly, CC398-MSSA-t1451-lukS/F-PV- related to the CC398 human-associated lineage is widely disseminated throughout the region, and is described here for the first time as the most prevalent MSSA lineage in South America. Moreover, CC398 strains carrying ermT (largely responsible for the MLSb resistance rates of MSSA strains: inducible iMLSb phenotype) and sh_fabI (related to triclosan resistance) were recovered from both CA and HA origin. The frequency of MRSA and MSSA lineages differed between countries but the most prevalent S. aureus genotypes are high-risk clones widely distributed in the South American region without a clear country-specific phylogeographical structure. Therefore, our findings underline the need for continuous genomic surveillance by regional networks such as StaphNET-SA. This article contains data hosted by Microreact.
Fil: Di Gregorio, Sabrina Noelia. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Investigaciones en Bacteriología y Virología Molecular; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay; Argentina
Fil: Vielma Vallenilla, Jesús Eduardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay; Argentina. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Investigaciones en Bacteriología y Virología Molecular; Argentina
Fil: Haim, Maria Sol. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay; Argentina. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Investigaciones en Bacteriología y Virología Molecular; Argentina. Dirección Nacional de Instituto de Investigación.Administración Nacional de Laboratorios e Institutos de Salud "Dr. Carlos G. Malbrán"; Argentina
Fil: Rago, Lucía. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Investigaciones en Bacteriología y Virología Molecular; Argentina
Fil: Campos, Josefina. Dirección Nacional de Instituto de Investigación.Administración Nacional de Laboratorios e Institutos de Salud "Dr. Carlos G. Malbrán"; Argentina
Fil: Kekre, Mihir. University of Oxford; Reino Unido
Fil: Abrudan, Monica. University of Oxford; Reino Unido
Fil: Famiglietti, Ángela. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica; Argentina. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín; Argentina
Fil: Fernández Canigia, Liliana. Hospital Aleman; Argentina
Fil: Rubinstein, Gabriela. Hospital Privado Regional del Sur; Argentina
Fil: Von Specht, Martha Helena. Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales; Argentina
Fil: Herrera, Melina Elizabeth. Universidad Adventista del Plata; Argentina
Fil: Aro, Carolina. Gobierno de la Provincia de Santa Fe. Hospital de Niños Doctor Orlando Alassia.; Argentina
Fil: Galas, Marcelo Fabián. Pan American Health Organization; Estados Unidos
Fil: Balderrama Yarhui, Norah. Hospital del Niño Manuel Ascencio Villarroel; Bolivia
Fil: Figueiredo, Agnes. Universidade do Estado de Rio do Janeiro; Brasil. Universidade Federal Fluminense; Brasil
Fil: Lincopan, Nilton. Universidade de Sao Paulo; Brasil
Fil: Falcon, Miryan. Laboratorio Central de Salud Publica; Paraguay
Fil: Guillén, Rosa. Universidad Nacional de Asunción; Paraguay
Fil: Camou, Teresa. Ministerio de Salud; Uruguay
Fil: Varela, Gustavo Alfredo. Universidad de la República; Uruguay
Fil: Aanensen, David M.. University of Oxford; Reino Unido
Fil: Argimón, Silvia. University of Oxford; Reino Unido
Fil: Mollerach, Marta Eugenia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay; Argentina. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Investigaciones en Bacteriología y Virología Molecular; Argentina - Materia
-
STAPHYLOCOCCUS AUREUS
MRSA
MSSA
SOUTH AMERICA
CC398
CC30
CC5
CC8 - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/225627
Ver los metadatos del registro completo
id |
CONICETDig_bbbe0554209b1730d83fc11ee8543c64 |
---|---|
oai_identifier_str |
oai:ri.conicet.gov.ar:11336/225627 |
network_acronym_str |
CONICETDig |
repository_id_str |
3498 |
network_name_str |
CONICET Digital (CONICET) |
spelling |
Genomic epidemiology of Staphylococcus aureus isolated from bloodstream infections in South America during 2019 supports regional surveillanceDi Gregorio, Sabrina NoeliaVielma Vallenilla, Jesús EduardoHaim, Maria SolRago, LucíaCampos, JosefinaKekre, MihirAbrudan, MonicaFamiglietti, ÁngelaFernández Canigia, LilianaRubinstein, GabrielaVon Specht, Martha HelenaHerrera, Melina ElizabethAro, CarolinaGalas, Marcelo FabiánBalderrama Yarhui, NorahFigueiredo, AgnesLincopan, NiltonFalcon, MiryanGuillén, RosaCamou, TeresaVarela, Gustavo AlfredoAanensen, David M.Argimón, SilviaMollerach, Marta EugeniaSTAPHYLOCOCCUS AUREUSMRSAMSSASOUTH AMERICACC398CC30CC5CC8https://purl.org/becyt/ford/3.3https://purl.org/becyt/ford/3Staphylococcus aureus remains one of the leading causes of infections worldwide and a common cause of bacteraemia. However, studies documenting the epidemiology of S. aureus in South America using genomics are scarce. We hereby report on the largest genomic epidemiology study to date of both methicillin-resistant S. aureus (MRSA) and methicillin-susceptible S. aureus (MSSA) in South America, conducted by the StaphNET-SA network. We characterised 404 genomes recovered from a prospective observational study of S. aureus bacteraemia in 58 hospitals from Argentina, Bolivia, Brazil, Paraguay and Uruguay between April and October 2019. We show that a minority of S. aureus isolates are phenotypically multi-drug resistant (5.2%), but more than a quarter are resistant to macrolide-lincosamide-streptogramin B (MLSb). MSSA were more genetically diverse than MRSA. Lower rates of associated antimicrobial resistance in community-associated(CA)-MRSA versus hospital-associated (HA)-MRSA were found in association with three S. aureus genotypes dominating the MRSA population: CC30-MRSA-IVc-t019-lukS/F-PV+, CC5-MRSA-IV-t002-lukS/F-PV- and CC8-MRSA-IVc-t008-lukS/F-PV+-COMER+. These are historically from a CA origin, carry on average fewer antimicrobial resistance determinants, and often lack key virulence genes. Surprisingly, CC398-MSSA-t1451-lukS/F-PV- related to the CC398 human-associated lineage is widely disseminated throughout the region, and is described here for the first time as the most prevalent MSSA lineage in South America. Moreover, CC398 strains carrying ermT (largely responsible for the MLSb resistance rates of MSSA strains: inducible iMLSb phenotype) and sh_fabI (related to triclosan resistance) were recovered from both CA and HA origin. The frequency of MRSA and MSSA lineages differed between countries but the most prevalent S. aureus genotypes are high-risk clones widely distributed in the South American region without a clear country-specific phylogeographical structure. Therefore, our findings underline the need for continuous genomic surveillance by regional networks such as StaphNET-SA. This article contains data hosted by Microreact.Fil: Di Gregorio, Sabrina Noelia. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Investigaciones en Bacteriología y Virología Molecular; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay; ArgentinaFil: Vielma Vallenilla, Jesús Eduardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay; Argentina. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Investigaciones en Bacteriología y Virología Molecular; ArgentinaFil: Haim, Maria Sol. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay; Argentina. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Investigaciones en Bacteriología y Virología Molecular; Argentina. Dirección Nacional de Instituto de Investigación.Administración Nacional de Laboratorios e Institutos de Salud "Dr. Carlos G. Malbrán"; ArgentinaFil: Rago, Lucía. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Investigaciones en Bacteriología y Virología Molecular; ArgentinaFil: Campos, Josefina. Dirección Nacional de Instituto de Investigación.Administración Nacional de Laboratorios e Institutos de Salud "Dr. Carlos G. Malbrán"; ArgentinaFil: Kekre, Mihir. University of Oxford; Reino UnidoFil: Abrudan, Monica. University of Oxford; Reino UnidoFil: Famiglietti, Ángela. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica; Argentina. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín; ArgentinaFil: Fernández Canigia, Liliana. Hospital Aleman; ArgentinaFil: Rubinstein, Gabriela. Hospital Privado Regional del Sur; ArgentinaFil: Von Specht, Martha Helena. Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales; ArgentinaFil: Herrera, Melina Elizabeth. Universidad Adventista del Plata; ArgentinaFil: Aro, Carolina. Gobierno de la Provincia de Santa Fe. Hospital de Niños Doctor Orlando Alassia.; ArgentinaFil: Galas, Marcelo Fabián. Pan American Health Organization; Estados UnidosFil: Balderrama Yarhui, Norah. Hospital del Niño Manuel Ascencio Villarroel; BoliviaFil: Figueiredo, Agnes. Universidade do Estado de Rio do Janeiro; Brasil. Universidade Federal Fluminense; BrasilFil: Lincopan, Nilton. Universidade de Sao Paulo; BrasilFil: Falcon, Miryan. Laboratorio Central de Salud Publica; ParaguayFil: Guillén, Rosa. Universidad Nacional de Asunción; ParaguayFil: Camou, Teresa. Ministerio de Salud; UruguayFil: Varela, Gustavo Alfredo. Universidad de la República; UruguayFil: Aanensen, David M.. University of Oxford; Reino UnidoFil: Argimón, Silvia. University of Oxford; Reino UnidoFil: Mollerach, Marta Eugenia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay; Argentina. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Investigaciones en Bacteriología y Virología Molecular; ArgentinaMicrobiology Society2023-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/225627Di Gregorio, Sabrina Noelia; Vielma Vallenilla, Jesús Eduardo; Haim, Maria Sol; Rago, Lucía; Campos, Josefina; et al.; Genomic epidemiology of Staphylococcus aureus isolated from bloodstream infections in South America during 2019 supports regional surveillance; Microbiology Society; Microbial Genomics; 9; 5; 5-2023; 1-192057-5858CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.microbiologyresearch.org/content/journal/mgen/10.1099/mgen.0.001020info:eu-repo/semantics/altIdentifier/doi/10.1099/mgen.0.001020info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:28:08Zoai:ri.conicet.gov.ar:11336/225627instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:28:09.019CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Genomic epidemiology of Staphylococcus aureus isolated from bloodstream infections in South America during 2019 supports regional surveillance |
title |
Genomic epidemiology of Staphylococcus aureus isolated from bloodstream infections in South America during 2019 supports regional surveillance |
spellingShingle |
Genomic epidemiology of Staphylococcus aureus isolated from bloodstream infections in South America during 2019 supports regional surveillance Di Gregorio, Sabrina Noelia STAPHYLOCOCCUS AUREUS MRSA MSSA SOUTH AMERICA CC398 CC30 CC5 CC8 |
title_short |
Genomic epidemiology of Staphylococcus aureus isolated from bloodstream infections in South America during 2019 supports regional surveillance |
title_full |
Genomic epidemiology of Staphylococcus aureus isolated from bloodstream infections in South America during 2019 supports regional surveillance |
title_fullStr |
Genomic epidemiology of Staphylococcus aureus isolated from bloodstream infections in South America during 2019 supports regional surveillance |
title_full_unstemmed |
Genomic epidemiology of Staphylococcus aureus isolated from bloodstream infections in South America during 2019 supports regional surveillance |
title_sort |
Genomic epidemiology of Staphylococcus aureus isolated from bloodstream infections in South America during 2019 supports regional surveillance |
dc.creator.none.fl_str_mv |
Di Gregorio, Sabrina Noelia Vielma Vallenilla, Jesús Eduardo Haim, Maria Sol Rago, Lucía Campos, Josefina Kekre, Mihir Abrudan, Monica Famiglietti, Ángela Fernández Canigia, Liliana Rubinstein, Gabriela Von Specht, Martha Helena Herrera, Melina Elizabeth Aro, Carolina Galas, Marcelo Fabián Balderrama Yarhui, Norah Figueiredo, Agnes Lincopan, Nilton Falcon, Miryan Guillén, Rosa Camou, Teresa Varela, Gustavo Alfredo Aanensen, David M. Argimón, Silvia Mollerach, Marta Eugenia |
author |
Di Gregorio, Sabrina Noelia |
author_facet |
Di Gregorio, Sabrina Noelia Vielma Vallenilla, Jesús Eduardo Haim, Maria Sol Rago, Lucía Campos, Josefina Kekre, Mihir Abrudan, Monica Famiglietti, Ángela Fernández Canigia, Liliana Rubinstein, Gabriela Von Specht, Martha Helena Herrera, Melina Elizabeth Aro, Carolina Galas, Marcelo Fabián Balderrama Yarhui, Norah Figueiredo, Agnes Lincopan, Nilton Falcon, Miryan Guillén, Rosa Camou, Teresa Varela, Gustavo Alfredo Aanensen, David M. Argimón, Silvia Mollerach, Marta Eugenia |
author_role |
author |
author2 |
Vielma Vallenilla, Jesús Eduardo Haim, Maria Sol Rago, Lucía Campos, Josefina Kekre, Mihir Abrudan, Monica Famiglietti, Ángela Fernández Canigia, Liliana Rubinstein, Gabriela Von Specht, Martha Helena Herrera, Melina Elizabeth Aro, Carolina Galas, Marcelo Fabián Balderrama Yarhui, Norah Figueiredo, Agnes Lincopan, Nilton Falcon, Miryan Guillén, Rosa Camou, Teresa Varela, Gustavo Alfredo Aanensen, David M. Argimón, Silvia Mollerach, Marta Eugenia |
author2_role |
author author author author author author author author author author author author author author author author author author author author author author author |
dc.subject.none.fl_str_mv |
STAPHYLOCOCCUS AUREUS MRSA MSSA SOUTH AMERICA CC398 CC30 CC5 CC8 |
topic |
STAPHYLOCOCCUS AUREUS MRSA MSSA SOUTH AMERICA CC398 CC30 CC5 CC8 |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/3.3 https://purl.org/becyt/ford/3 |
dc.description.none.fl_txt_mv |
Staphylococcus aureus remains one of the leading causes of infections worldwide and a common cause of bacteraemia. However, studies documenting the epidemiology of S. aureus in South America using genomics are scarce. We hereby report on the largest genomic epidemiology study to date of both methicillin-resistant S. aureus (MRSA) and methicillin-susceptible S. aureus (MSSA) in South America, conducted by the StaphNET-SA network. We characterised 404 genomes recovered from a prospective observational study of S. aureus bacteraemia in 58 hospitals from Argentina, Bolivia, Brazil, Paraguay and Uruguay between April and October 2019. We show that a minority of S. aureus isolates are phenotypically multi-drug resistant (5.2%), but more than a quarter are resistant to macrolide-lincosamide-streptogramin B (MLSb). MSSA were more genetically diverse than MRSA. Lower rates of associated antimicrobial resistance in community-associated(CA)-MRSA versus hospital-associated (HA)-MRSA were found in association with three S. aureus genotypes dominating the MRSA population: CC30-MRSA-IVc-t019-lukS/F-PV+, CC5-MRSA-IV-t002-lukS/F-PV- and CC8-MRSA-IVc-t008-lukS/F-PV+-COMER+. These are historically from a CA origin, carry on average fewer antimicrobial resistance determinants, and often lack key virulence genes. Surprisingly, CC398-MSSA-t1451-lukS/F-PV- related to the CC398 human-associated lineage is widely disseminated throughout the region, and is described here for the first time as the most prevalent MSSA lineage in South America. Moreover, CC398 strains carrying ermT (largely responsible for the MLSb resistance rates of MSSA strains: inducible iMLSb phenotype) and sh_fabI (related to triclosan resistance) were recovered from both CA and HA origin. The frequency of MRSA and MSSA lineages differed between countries but the most prevalent S. aureus genotypes are high-risk clones widely distributed in the South American region without a clear country-specific phylogeographical structure. Therefore, our findings underline the need for continuous genomic surveillance by regional networks such as StaphNET-SA. This article contains data hosted by Microreact. Fil: Di Gregorio, Sabrina Noelia. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Investigaciones en Bacteriología y Virología Molecular; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay; Argentina Fil: Vielma Vallenilla, Jesús Eduardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay; Argentina. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Investigaciones en Bacteriología y Virología Molecular; Argentina Fil: Haim, Maria Sol. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay; Argentina. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Investigaciones en Bacteriología y Virología Molecular; Argentina. Dirección Nacional de Instituto de Investigación.Administración Nacional de Laboratorios e Institutos de Salud "Dr. Carlos G. Malbrán"; Argentina Fil: Rago, Lucía. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Investigaciones en Bacteriología y Virología Molecular; Argentina Fil: Campos, Josefina. Dirección Nacional de Instituto de Investigación.Administración Nacional de Laboratorios e Institutos de Salud "Dr. Carlos G. Malbrán"; Argentina Fil: Kekre, Mihir. University of Oxford; Reino Unido Fil: Abrudan, Monica. University of Oxford; Reino Unido Fil: Famiglietti, Ángela. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica; Argentina. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín; Argentina Fil: Fernández Canigia, Liliana. Hospital Aleman; Argentina Fil: Rubinstein, Gabriela. Hospital Privado Regional del Sur; Argentina Fil: Von Specht, Martha Helena. Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales; Argentina Fil: Herrera, Melina Elizabeth. Universidad Adventista del Plata; Argentina Fil: Aro, Carolina. Gobierno de la Provincia de Santa Fe. Hospital de Niños Doctor Orlando Alassia.; Argentina Fil: Galas, Marcelo Fabián. Pan American Health Organization; Estados Unidos Fil: Balderrama Yarhui, Norah. Hospital del Niño Manuel Ascencio Villarroel; Bolivia Fil: Figueiredo, Agnes. Universidade do Estado de Rio do Janeiro; Brasil. Universidade Federal Fluminense; Brasil Fil: Lincopan, Nilton. Universidade de Sao Paulo; Brasil Fil: Falcon, Miryan. Laboratorio Central de Salud Publica; Paraguay Fil: Guillén, Rosa. Universidad Nacional de Asunción; Paraguay Fil: Camou, Teresa. Ministerio de Salud; Uruguay Fil: Varela, Gustavo Alfredo. Universidad de la República; Uruguay Fil: Aanensen, David M.. University of Oxford; Reino Unido Fil: Argimón, Silvia. University of Oxford; Reino Unido Fil: Mollerach, Marta Eugenia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay; Argentina. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Investigaciones en Bacteriología y Virología Molecular; Argentina |
description |
Staphylococcus aureus remains one of the leading causes of infections worldwide and a common cause of bacteraemia. However, studies documenting the epidemiology of S. aureus in South America using genomics are scarce. We hereby report on the largest genomic epidemiology study to date of both methicillin-resistant S. aureus (MRSA) and methicillin-susceptible S. aureus (MSSA) in South America, conducted by the StaphNET-SA network. We characterised 404 genomes recovered from a prospective observational study of S. aureus bacteraemia in 58 hospitals from Argentina, Bolivia, Brazil, Paraguay and Uruguay between April and October 2019. We show that a minority of S. aureus isolates are phenotypically multi-drug resistant (5.2%), but more than a quarter are resistant to macrolide-lincosamide-streptogramin B (MLSb). MSSA were more genetically diverse than MRSA. Lower rates of associated antimicrobial resistance in community-associated(CA)-MRSA versus hospital-associated (HA)-MRSA were found in association with three S. aureus genotypes dominating the MRSA population: CC30-MRSA-IVc-t019-lukS/F-PV+, CC5-MRSA-IV-t002-lukS/F-PV- and CC8-MRSA-IVc-t008-lukS/F-PV+-COMER+. These are historically from a CA origin, carry on average fewer antimicrobial resistance determinants, and often lack key virulence genes. Surprisingly, CC398-MSSA-t1451-lukS/F-PV- related to the CC398 human-associated lineage is widely disseminated throughout the region, and is described here for the first time as the most prevalent MSSA lineage in South America. Moreover, CC398 strains carrying ermT (largely responsible for the MLSb resistance rates of MSSA strains: inducible iMLSb phenotype) and sh_fabI (related to triclosan resistance) were recovered from both CA and HA origin. The frequency of MRSA and MSSA lineages differed between countries but the most prevalent S. aureus genotypes are high-risk clones widely distributed in the South American region without a clear country-specific phylogeographical structure. Therefore, our findings underline the need for continuous genomic surveillance by regional networks such as StaphNET-SA. This article contains data hosted by Microreact. |
publishDate |
2023 |
dc.date.none.fl_str_mv |
2023-05 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/225627 Di Gregorio, Sabrina Noelia; Vielma Vallenilla, Jesús Eduardo; Haim, Maria Sol; Rago, Lucía; Campos, Josefina; et al.; Genomic epidemiology of Staphylococcus aureus isolated from bloodstream infections in South America during 2019 supports regional surveillance; Microbiology Society; Microbial Genomics; 9; 5; 5-2023; 1-19 2057-5858 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/225627 |
identifier_str_mv |
Di Gregorio, Sabrina Noelia; Vielma Vallenilla, Jesús Eduardo; Haim, Maria Sol; Rago, Lucía; Campos, Josefina; et al.; Genomic epidemiology of Staphylococcus aureus isolated from bloodstream infections in South America during 2019 supports regional surveillance; Microbiology Society; Microbial Genomics; 9; 5; 5-2023; 1-19 2057-5858 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/https://www.microbiologyresearch.org/content/journal/mgen/10.1099/mgen.0.001020 info:eu-repo/semantics/altIdentifier/doi/10.1099/mgen.0.001020 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Microbiology Society |
publisher.none.fl_str_mv |
Microbiology Society |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
collection |
CONICET Digital (CONICET) |
instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
_version_ |
1844614284568428544 |
score |
13.070432 |