ISCR2 and IS26: Two Insertion Sequences Highly Dispersed among Acinetobacter spp. Clinical Strainss
- Autores
- Montaña, Sabrina Daiana; Almuzara, Marisa; Pennini, M; Sucari, A.; Centron, Daniela; Vay, C.; Ramirez, Maria Soledad
- Año de publicación
- 2017
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- The aim of this work is to study the dispersion of two ISs, ISCR2 and IS26, which are known to contribute in the acquisition of resistance determinants and genome plasticity, among a collection of hundred and seventy-four Acinetobacter spp. clinical isolates. PCR amplification reactions using total DNA were performed to search ISCR2, IS26, and different antibiotic resistance genes (tet(B), aphA6, sul2, floR, dfr9) previously described in the genetic context of ISCR2.Among A. baumannii, positive amplification for ISCR2 was obtained in 66% of the included isolates and most of them (93%) were positive for IS26 amplification. The platform tet(B)::ISCR2 was found in 57% of the ISCR2 positive isolates and only 14 gave negative amplification for tet(B). In these isolates positive amplifications of genes that were previously described associated to ISCR2 -such as, aphA6, sul2, floR, and dfr9- were observed. When searching these ISs in the non-baumannii Acinetobacter studied-collection, two isolates were positive for ISCR2 and two isolates for IS26. No positive results were obtained for tet(B), but the presence of sul2, floR and dfr9 was found. Our results exposed a great dispersion of ISCR2 as well as IS26 among Acinetobacter spp. clinical isolates reinforcing the idea that the ISs play a crucial role in the plasticity and evolution towards drug resistance in this genus.
Fil: Montaña, Sabrina Daiana. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones en Microbiología y Parasitología Médica. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Investigaciones en Microbiología y Parasitología Médica; Argentina
Fil: Almuzara, Marisa. Laboratorio de Bacteriología; Argentina
Fil: Pennini, M. Unidad Microbiología; Argentina
Fil: Sucari, A.. Unidad Microbiología; Argentina
Fil: Centron, Daniela. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones en Microbiología y Parasitología Médica. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Investigaciones en Microbiología y Parasitología Médica; Argentina
Fil: Vay, C.. Laboratorio de Bacteriología; Argentina
Fil: Ramirez, Maria Soledad. California State University; Estados Unidos - Materia
-
Acinetobacter spp
ISCR2
IS26
Insertion sequences
Minimum inhibitory concentration - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/47504
Ver los metadatos del registro completo
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ISCR2 and IS26: Two Insertion Sequences Highly Dispersed among Acinetobacter spp. Clinical StrainssMontaña, Sabrina DaianaAlmuzara, MarisaPennini, MSucari, A.Centron, DanielaVay, C.Ramirez, Maria SoledadAcinetobacter sppISCR2IS26Insertion sequencesMinimum inhibitory concentrationhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1The aim of this work is to study the dispersion of two ISs, ISCR2 and IS26, which are known to contribute in the acquisition of resistance determinants and genome plasticity, among a collection of hundred and seventy-four Acinetobacter spp. clinical isolates. PCR amplification reactions using total DNA were performed to search ISCR2, IS26, and different antibiotic resistance genes (tet(B), aphA6, sul2, floR, dfr9) previously described in the genetic context of ISCR2.Among A. baumannii, positive amplification for ISCR2 was obtained in 66% of the included isolates and most of them (93%) were positive for IS26 amplification. The platform tet(B)::ISCR2 was found in 57% of the ISCR2 positive isolates and only 14 gave negative amplification for tet(B). In these isolates positive amplifications of genes that were previously described associated to ISCR2 -such as, aphA6, sul2, floR, and dfr9- were observed. When searching these ISs in the non-baumannii Acinetobacter studied-collection, two isolates were positive for ISCR2 and two isolates for IS26. No positive results were obtained for tet(B), but the presence of sul2, floR and dfr9 was found. Our results exposed a great dispersion of ISCR2 as well as IS26 among Acinetobacter spp. clinical isolates reinforcing the idea that the ISs play a crucial role in the plasticity and evolution towards drug resistance in this genus.Fil: Montaña, Sabrina Daiana. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones en Microbiología y Parasitología Médica. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Investigaciones en Microbiología y Parasitología Médica; ArgentinaFil: Almuzara, Marisa. Laboratorio de Bacteriología; ArgentinaFil: Pennini, M. Unidad Microbiología; ArgentinaFil: Sucari, A.. Unidad Microbiología; ArgentinaFil: Centron, Daniela. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones en Microbiología y Parasitología Médica. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Investigaciones en Microbiología y Parasitología Médica; ArgentinaFil: Vay, C.. Laboratorio de Bacteriología; ArgentinaFil: Ramirez, Maria Soledad. California State University; Estados UnidosMedCrave2017-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/47504Montaña, Sabrina Daiana; Almuzara, Marisa; Pennini, M; Sucari, A.; Centron, Daniela; et al.; ISCR2 and IS26: Two Insertion Sequences Highly Dispersed among Acinetobacter spp. Clinical Strainss; MedCrave; Journal of Bacteriology and Mycology: Open Acces; 4; 1; 1-2017; 1-42469-2786CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.15406/jbmoa.2017.04.00082info:eu-repo/semantics/altIdentifier/url/http://medcraveonline.com/JBMOA/JBMOA-04-00082.phpinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:28:28Zoai:ri.conicet.gov.ar:11336/47504instacron: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 10:28:28.581CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
ISCR2 and IS26: Two Insertion Sequences Highly Dispersed among Acinetobacter spp. Clinical Strainss |
title |
ISCR2 and IS26: Two Insertion Sequences Highly Dispersed among Acinetobacter spp. Clinical Strainss |
spellingShingle |
ISCR2 and IS26: Two Insertion Sequences Highly Dispersed among Acinetobacter spp. Clinical Strainss Montaña, Sabrina Daiana Acinetobacter spp ISCR2 IS26 Insertion sequences Minimum inhibitory concentration |
title_short |
ISCR2 and IS26: Two Insertion Sequences Highly Dispersed among Acinetobacter spp. Clinical Strainss |
title_full |
ISCR2 and IS26: Two Insertion Sequences Highly Dispersed among Acinetobacter spp. Clinical Strainss |
title_fullStr |
ISCR2 and IS26: Two Insertion Sequences Highly Dispersed among Acinetobacter spp. Clinical Strainss |
title_full_unstemmed |
ISCR2 and IS26: Two Insertion Sequences Highly Dispersed among Acinetobacter spp. Clinical Strainss |
title_sort |
ISCR2 and IS26: Two Insertion Sequences Highly Dispersed among Acinetobacter spp. Clinical Strainss |
dc.creator.none.fl_str_mv |
Montaña, Sabrina Daiana Almuzara, Marisa Pennini, M Sucari, A. Centron, Daniela Vay, C. Ramirez, Maria Soledad |
author |
Montaña, Sabrina Daiana |
author_facet |
Montaña, Sabrina Daiana Almuzara, Marisa Pennini, M Sucari, A. Centron, Daniela Vay, C. Ramirez, Maria Soledad |
author_role |
author |
author2 |
Almuzara, Marisa Pennini, M Sucari, A. Centron, Daniela Vay, C. Ramirez, Maria Soledad |
author2_role |
author author author author author author |
dc.subject.none.fl_str_mv |
Acinetobacter spp ISCR2 IS26 Insertion sequences Minimum inhibitory concentration |
topic |
Acinetobacter spp ISCR2 IS26 Insertion sequences Minimum inhibitory concentration |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
The aim of this work is to study the dispersion of two ISs, ISCR2 and IS26, which are known to contribute in the acquisition of resistance determinants and genome plasticity, among a collection of hundred and seventy-four Acinetobacter spp. clinical isolates. PCR amplification reactions using total DNA were performed to search ISCR2, IS26, and different antibiotic resistance genes (tet(B), aphA6, sul2, floR, dfr9) previously described in the genetic context of ISCR2.Among A. baumannii, positive amplification for ISCR2 was obtained in 66% of the included isolates and most of them (93%) were positive for IS26 amplification. The platform tet(B)::ISCR2 was found in 57% of the ISCR2 positive isolates and only 14 gave negative amplification for tet(B). In these isolates positive amplifications of genes that were previously described associated to ISCR2 -such as, aphA6, sul2, floR, and dfr9- were observed. When searching these ISs in the non-baumannii Acinetobacter studied-collection, two isolates were positive for ISCR2 and two isolates for IS26. No positive results were obtained for tet(B), but the presence of sul2, floR and dfr9 was found. Our results exposed a great dispersion of ISCR2 as well as IS26 among Acinetobacter spp. clinical isolates reinforcing the idea that the ISs play a crucial role in the plasticity and evolution towards drug resistance in this genus. Fil: Montaña, Sabrina Daiana. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones en Microbiología y Parasitología Médica. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Investigaciones en Microbiología y Parasitología Médica; Argentina Fil: Almuzara, Marisa. Laboratorio de Bacteriología; Argentina Fil: Pennini, M. Unidad Microbiología; Argentina Fil: Sucari, A.. Unidad Microbiología; Argentina Fil: Centron, Daniela. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones en Microbiología y Parasitología Médica. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Investigaciones en Microbiología y Parasitología Médica; Argentina Fil: Vay, C.. Laboratorio de Bacteriología; Argentina Fil: Ramirez, Maria Soledad. California State University; Estados Unidos |
description |
The aim of this work is to study the dispersion of two ISs, ISCR2 and IS26, which are known to contribute in the acquisition of resistance determinants and genome plasticity, among a collection of hundred and seventy-four Acinetobacter spp. clinical isolates. PCR amplification reactions using total DNA were performed to search ISCR2, IS26, and different antibiotic resistance genes (tet(B), aphA6, sul2, floR, dfr9) previously described in the genetic context of ISCR2.Among A. baumannii, positive amplification for ISCR2 was obtained in 66% of the included isolates and most of them (93%) were positive for IS26 amplification. The platform tet(B)::ISCR2 was found in 57% of the ISCR2 positive isolates and only 14 gave negative amplification for tet(B). In these isolates positive amplifications of genes that were previously described associated to ISCR2 -such as, aphA6, sul2, floR, and dfr9- were observed. When searching these ISs in the non-baumannii Acinetobacter studied-collection, two isolates were positive for ISCR2 and two isolates for IS26. No positive results were obtained for tet(B), but the presence of sul2, floR and dfr9 was found. Our results exposed a great dispersion of ISCR2 as well as IS26 among Acinetobacter spp. clinical isolates reinforcing the idea that the ISs play a crucial role in the plasticity and evolution towards drug resistance in this genus. |
publishDate |
2017 |
dc.date.none.fl_str_mv |
2017-01 |
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/11336/47504 Montaña, Sabrina Daiana; Almuzara, Marisa; Pennini, M; Sucari, A.; Centron, Daniela; et al.; ISCR2 and IS26: Two Insertion Sequences Highly Dispersed among Acinetobacter spp. Clinical Strainss; MedCrave; Journal of Bacteriology and Mycology: Open Acces; 4; 1; 1-2017; 1-4 2469-2786 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/47504 |
identifier_str_mv |
Montaña, Sabrina Daiana; Almuzara, Marisa; Pennini, M; Sucari, A.; Centron, Daniela; et al.; ISCR2 and IS26: Two Insertion Sequences Highly Dispersed among Acinetobacter spp. Clinical Strainss; MedCrave; Journal of Bacteriology and Mycology: Open Acces; 4; 1; 1-2017; 1-4 2469-2786 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.15406/jbmoa.2017.04.00082 info:eu-repo/semantics/altIdentifier/url/http://medcraveonline.com/JBMOA/JBMOA-04-00082.php |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc/2.5/ar/ |
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openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc/2.5/ar/ |
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application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
MedCrave |
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MedCrave |
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CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
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