6317
Intervención educativa como estrategia de prevención de parasitosis intestinales y valoración del estado enteroparasitológico en centros de desarrollo infantil de la ciudad de Santa Fe, ArgentinaCésar Ernesto Gutiérrez, María Agustina Jaras Horno, Carolina Aro, Andrea Florencia Gómez Colussi, María Belén Cheirano, Érica Soledad Rodríguez, María Verónica Vera Garate, Guillermo García Effron, Sergio Adrián Guerrero
Rev Argent Microbiol. 2025;57:8-13
6317
Highlights
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La intervención educativa fortaleció los conocimientos relacionados a las parasitosis
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Las actividades «lúdico-pedagógicas» son estrategias educativas apropiadas para la prevención
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50% de la población infantil analizada estaba parasitada
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Se evidenció predominio de protozoos en relación a helmintos (77,7% vs. 22,3%, respectivamente)
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Se detectó con mayor frecuencia Blastocystis sp., Giardia intestinalis y Ascaris lumbricoides
4630
Update of diagnostic methods in tuberculosis (TB)Mario José Matteo, María Cecilia Latini, Davor Nicolás Martinovic, Marina Bottiglieri
Rev Argent Microbiol. 2025;57:49-53
4630
Highlights
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The “End TB” strategy aims to reduce deaths and incidence from 2015 to 2035.
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Rapid diagnostic tests recommended by WHO are cost-effective.
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Traditional and new diagnostic techniques for TB were reviewed.
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Includes IGRA, smear, culture, molecular methods, and lipoarabinomannan antigen.
3616
Identification of Salmonella Enteritidis, Salmonella Typhimurium, Bacillus cereus, Bacillus subtilis, and Clostridium perfringens in hospital foodMohammad Hashemi, Arefeh Erfani, Fateme Asadi Touranlou, Maliheh Doustinouri, Afsaneh Shahraki, Asma Afshari
Rev Argent Microbiol. 2025;57:78-85
3616
Highlights
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Bacillus cereus and Clostridium perfringens were detected in 4 out of 360 food samples.
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Bacillus subtilis was not detected in any of the food samples.
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The most contaminated food samples were salad, kebab, and rice.
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Salmonella typhi and Salmonella enteritidis, caused the most food contaminations among the investigated pathogens.
2842
Análisis de muestras de kéfir de agua para el desarrollo de un marco regulatorio en el Código Alimentario ArgentinoManuel Teijeiro, Analía Graciela Abraham, Josefina Cabrera, Galia Ana Suchowlanski, Ana Losada, Silvana Ruarte, Mónica López, Gabriel Vinderola
Rev Argent Microbiol. 2025;57:298-303
2842
Highlights
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Las muestras de kéfir de agua analizadas presentaron cantidades habituales de bacterias lácticas y levaduras.
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Las muestras de kéfir de agua analizadas no presentaron enterobacterias.
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Las muestras de kéfir de agua analizadas presentaron cantidades variables de alcohol.
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Este trabajo permitió elaborar un artículo que contemple al kéfir de agua en el Código Alimentario Argentino.
2774
First report of canine protothecosis caused by Prototheca wickerhamii in Argentina. Brief literature reviewSilvana Ramadán, Lucía Bulacio, Hernán Dalmaso, Graciela Sepúlveda, Maximiliano Sortino, Fabián Fay, Claudia Misto, María Fernanda Salvador, ... María Luján Cuestas
Rev Argent Microbiol. 2025;57:341-8
2774
Highlights
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Fatal canine protothecosis with ocular and lymph node signs.
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Antifungal compounds are successfully used in protothecosis control.
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Pets acting as sentinels of Prototheca presence.
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Nodal puncture as less invasive method for protothecosis diagnosis.
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Molecular tests confirm Prototheca wickerhamii.
2155
Impact of gestational diabetes mellitus in gut and human breast milk microbiome in Colombian women and their infantsSandra Y. Valencia-Castillo, Mayte J. Hernández-Beza, Irisbeth Powell-Cerda, Erika Acosta-Cruz, Guadalupe C. Rodríguez-Castillejos, Fernando Siller-López, Humberto Martínez-Montoya
Rev Argent Microbiol. 2025;57:14-23
2155
Highlights
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Our study revealed noticeable differences in the gut microbiome of women with GDM.
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In GDM women's gut, Bifidobacterium, Serratia, and Sutterella were in low abundance.
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The diversity and abundance of gut bacteria in GDM infants are similar to that of their mothers.
- •
The analysis of GDM HBM showed Sutterella, Serratia, and Lactococcus in low abundance.
- •
Our results suggest that GDM women could lead to dysbiosis in breast-fed infants.
2100
Colistin-resistant Escherichia coli mediated by the mcr-1 gene from pigs in northeastern ArgentinaJuan Leandro Pellegrini, María de los Ángeles González, Liliana Silvina Lösch, Luis Antonio Merino, José Alejandro Di Conza
Rev Argent Microbiol. 2025;57:349-55
2100
Highlights
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First report of the mcr-1 gene within the pig production in northeastern Argentina.
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Reduction in prevalence of mcr-1-carrying E. coli after the colistin prohibition.
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The mcr-1-positive E. coli isolates with 87% of MDR and high clonal diversity.
2017
Bartolinitis por Neisseria meningitidis: caso clínicoElena Berardinelli, Marcela Sokol, Laura Dufranc, Vanina Diaz, Viviana Eiras, Ariel Gianecini, Patricia Galarza, Paula Gagetti, ... Adriana Efron
Rev Argent Microbiol. 2025;57:63-5
2017
Highlights
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Neisseria meningitidis como agente etiológico de bartolinitis en mujer heterosexual.
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La cepa se identifica como Neisseria meningitidis B complejo clonal ST-35.
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La práctica de sexo orogenital podría constituir la vía de transmisión.
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Neisseria meningitidis como posible agente causal de infección de transmisión sexual.
1917
Detection and characterization of highly pathogenic avian influenza A (H5N1) clade 2.3.4.4b virus circulating in Argentina in 2023María Carolina Artuso, Vanina Daniela Marchione, Estefanía Benedetti, Paula Bonastre, Ana María Alvarez, Luana Piccini, Angeles Ponde, Evelyn Barrios Benito, ... Ana María Nicola
Rev Argent Microbiol. 2025;57:327-35
1917
Highlights
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The first outbreak of avian influenza A (H5N1) detected in Argentina was in February 2023.
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The analysis of HA sequences classified them in clade 2.3.4.4b circulating in America.
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Epidemiological analysis suggests multiple simultaneous entries by migratory birds.
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Epidemiological surveillance in exposed humans has not detected cases in Argentina.
1911
Diversity of hypervirulent Klebsiella pneumoniae clones causing cryptogenic liver abscesses and metastatic complications in ArgentinaEsteban C. Nannini, Matías Lahitte, Pablo Scapellato, Corina Nemirosvky, Marcelo Zylberman, Andrea Vila, Viviana Rodríguez, Roman Zucchi, ... Mariángel Rinaudo
Rev Argent Microbiol. 2025;57:356-63
1911
Highlights
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Hypervirulent Klebsiella pneumoniae (hvKP) strains are of public health concern.
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We report patients with hvKP liver abscesses suffering a high rate of complications.
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Studied hvKP isolates had rpmA and iroB genes, possibly linked to severe illness.
- •
K1 serotypes often belonged to ST23 while K2 strains showed significant diversity.
1893
Impact of Kluyveromyces marxianus VM004 culture conditions on the cell wall structure and its influence on aflatoxin B1 bindingCarina Pereyra, María del Pilar Monge, Silvestre Bongiovanni, Andrea Cristofolini, Sergio Campos, Lilia Cavaglieri
Rev Argent Microbiol. 2025;57:89-97
1893
Highlights
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This study evaluates the potential of the K. marxianus strain to adsorb AFB1.
- •
There are no reports of K. marxianus cell wall use as mycotoxin adsorbent.
- •
A basic medium (YPD) and an alternative medium (DDG) were used as carbon source.
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The DDG medium proved to be recommendable for biomass and cell wall production.
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The composition of the cell wall was analyzed to evaluate the adsorption processes.
1858
Broaden properties of ambroxol hydrochloride as an antibiofilm compoundMaría J. González, Michela Lain, Victoria Iribarnegaray, Luciana Robino, Paola Scavone
Rev Argent Microbiol. 2025;57:114-24
1858
Highlights
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Ambroxol inhibits biofilm formation of gram positive and negative bacteria.
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Ambroxol can eradicate preformed biofilms.
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Bacterial viability is reduced by ambroxol.
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Efflux pumps are affected by the presence of ambroxol.
1844
Analysis of Escherichia coli isolated from minced meat: Implications for public health in Tierra del Fuego, ArgentinaElisa Crespi, Bárbara Ghiglione, Ximena Blanco Crivelli, Cecilia Cundon, Roque Figueroa Espinosa, Pedro Penzotti, Ezequiel Nuske, Alicia Broglio, ... Adriana Bentancor
Rev Argent Microbiol. 2025;57:399-407
1844
Highlights
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E. coli contamination spreads easily in ground meat, risking public health.
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Twenty four percent of isolates resist gentamicin, threatening treatment options.
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Eight isolates show co-occurrence of two aminoglycoside resistance genes.
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EAEC pathogenic potential discovered in eleven meat sample isolates.
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Food handlers can spread antimicrobial-resistant E. coli unknowingly.