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artículo
Emergence and spread of carbapenem-resistant Acinetobacter baumannii international clones II and III in Lima, Peru
Publicado por
Levy-Blitchtein, Saúl, Roca, Ignasi, Plasencia-Rebata, Stefany, Vicente-Taboada, William, Velásquez-Pomar, Jorge, Muñoz, Laura, Moreno-Morales, Javier, Pons, Maria J., del Valle-Mendoza, Juana, Vila, Jordi
Publicado 2018 Enlace
Carbapenem-resistant Acinetobacter baumannii is the top-ranked pathogen in the World Health Organization priority list of antibiotic-resistant bacteria. It emerged as a global pathogen due to the successful expansion of a few epidemic lineages, or international clones (ICs), producing acquired class D carbapenemases (OXA-type). During the past decade, however, reports regarding IC-I isolates in Latin America are scarce and are non-existent for IC-II and IC-III isolates. This study evaluates the molecular mechanisms of carbapenem resistance and the epidemiology of 80 non-duplicate clinical samples of A. baumannii collected from February 2014 through April 2016 at two tertiary care hospitals in Lima. Almost all isolates were carbapenem-resistant (97.5%), and susceptibility only remained high for colistin (95%). Pulsed-field gel electrophoresis showed two main clusters spread between both h...
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2
artículo
Characterisation of extended-spectrum b-lactamases among Klebsiella pneumoniae isolates causing bacteraemia and urinary tract infection in Mozambique
Publicado por
Pons, Maria J., Vubil, Delfino, Guiral, Elisabet, Jaintilal, Dinis, Fraile, Oscar, Soto, Sara M., Sigauque, Betuel, Nhampossa, Tacilta, Aide, Pedro, Alonso, Pedro L., Vila, Jordi, Mandomando, Inacio, Ruiz, Joaquim
Publicado 2015 Enlace
The aim of this study was to determine the prevalence of extended-spectrum b-lactamase (ESBL)- producing Klebsiella pneumoniae isolated from urinary tract and bloodstream infections in a rural hospital in Manhic¸a, Mozambique. ESBLs were investigated among ceftriaxone-non-susceptible K. pneumoniae clinical isolates recovered between 2004 and 2009. Characterisation of blaCTX-M, blaSHV, blaOXA and blaTEM genes was performed by PCR and sequencing. Epidemiological relationships were established by phylogenetic analysis, repetitive extragenic palindromic PCR (REP-PCR), pulsed-field gel electrophoresis (PFGE) and multilocus sequence typing (MLST), whilst plasmid transferability was evaluated by conjugation. In addition,the presence of class 1 and 2 integrons was studied.A total of 19 K. pneumoniae were analysed. The blaCTX-M-15 gene was found in all strains. Other ESBL genes were found concom...
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3
artículo
Fungal Systematics and Evolution: FUSE 8
Publicado por
Lebeuf, Renée, Alexandrova, Alina V., Cerna Mendoza, Agustín, Corazon Guivin, Mike Anderson, Alves da Silva, Gladstone, de la Sota Ricaldi, Ana Maria, Dima, Bálint, Fryssouli, Vassiliki, Gkilas, Michael, Guerrero Abad, Juan Carlos, Lamoureux, Yves, Landry, Jacques, Mešic, Armin, Morozova, Olga V., Evert Noordeloos, Machiel, Oehl, Fritz, Paul, André, Giang Pham, Thi Ha, Polemis, Elias, Monique Santos, Viviane, Yu Svetasheva, Tatyana, Tkalcec, Zdenko, Vallejos Tapullima, Adela, Vila, Jordi, Zervakis, Georgios I., Baral, Hans Otto, Bulyonkova, Tatiana, Kalinina, Lyudmila, Krisai Greilhuber, Irmgard, Malysheva, Ekaterina, Myhrer, Johan, Pärtel, Kadri, Pennanen, Marja, Stallman, Jeffery K., Haelewaters, Danny
Publicado 2021 Enlace
In this 8th contribution to the Fungal Systematics and Evolution series published by Sydowia, the authors formally describe 11 species: Cortinarius caryae, C. flavolilacinus, C. lilaceolamellatus, C. malodorus, C. olivaceolamellatus, C. quercophilus, C. violaceoflavescens, C. viridicarneus, Entoloma meridionale (Agaricales), Hortiboletus rupicapreus (Boletales), and Paraglomus peruvianum (Paraglomerales). The following new country records are reported: Bolbitius callistus (Agaricales) from Russia and Hymenoscyphus equiseti (Helotiales) from Sweden. Hymenoscyphus equiseti is proposed as a new combination for Lanzia equiseti, based on ITS and LSU sequence data in combination with morphological study.
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4
artículo
Fungal Systematics and Evolution: FUSE 8
Publicado por
Lebeuf, Renée, Alexandrova, Alina V., Cerna-Mendoza, Agustín, Corazon-Guivin, Mike Anderson, Alves da Silva, Gladstone, de la Sota-Ricaldi, Ana Maria, Dima, Bálint, Fryssouli, Vassiliki, Gkilas, Michael, Guerrero Abad, Juan Carlos, Lamoureux, Yves, Landry, Jacques, Mešic, Armin, Morozova, Olga V., Evert Noordeloos, Machiel, Oehl, Fritz, Paul, André, Giang Pham, Thi Ha, Polemis, Elias, Monique Santos, Viviane, Yu Svetasheva, Tatyana, Tkalcec, Zdenko, Vallejos-Tapullima, Adela, Vila, Jordi, Zervakis, Georgios I., Baral, Hans Otto, Bulyonkova, Tatiana, Kalinina, Lyudmila, Krisai-Greilhuber, Irmgard, Malysheva, Ekaterina, Myhrer, Johan, Pärtel, Kadri, Pennanen, Marja, Stallman, Jeffery K., Haelewaters, Danny
Publicado 2021 Enlace
In this 8th contribution to the Fungal Systematics and Evolution series published by Sydowia, the authors formally describe 11 species: Cortinarius caryae, C. flavolilacinus, C. lilaceolamellatus, C. malodorus, C. olivaceolamellatus, C. quercophilus, C. violaceoflavescens, C. viridicarneus, Entoloma meridionale (Agaricales), Hortiboletus rupicapreus (Boletales), and Paraglomus peruvianum (Paraglomerales). The following new country records are reported: Bolbitius callistus (Agaricales) from Russia and Hymenoscyphus equiseti (Helotiales) from Sweden. Hymenoscyphus equiseti is proposed as a new combination for Lanzia equiseti, based on ITS and LSU sequence data in combination with morphological study.
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