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Revista Argentina de Microbiología / Argentinean Journal of Microbiology Most often read
Journal Information

Most often read

42037
Candida albicans the main opportunistic pathogenic fungus in humans
Ignacio Uriel Macias-Paz, Salvador Pérez-Hernández, Alejandra Tavera-Tapia, Juan Pedro Luna-Arias, José Eugenio Guerra-Cárdenas, Elizabeth Reyna-Beltrán
Rev Argent Microbiol. 2023;55:189-98
42037
Highlights

  • Candida albicans is the main opportunistic fungus of humans.

  • Eno1, Pgk1 and Als1 of C. albicans have significant immunogenicity.

  • Virulence factors involved in the pathogenesis of C. albicans.

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36207
Escherichia coli productora de toxina Shiga: el desafío de adherirse para sobrevivir
M.V. Vélez, R. Colello, A.I. Etcheverría, N.L. Padola
Rev Argent Microbiol. 2023;55:100-7
36207
Open access
27452
Beneficios ecológicos y biológicos del hongo cosmopolita Trichoderma spp. en la agricultura: una perspectiva en el campo mexicano
Petra Andrade-Hoyos, Mally N. Rivera-Jiménez, Nadia Landero-Valenzuela, Hilda V. Silva-Rojas, Saira J. Martínez-Salgado, Omar Romero-Arenas
Rev Argent Microbiol. 2023;55:366-77
27452
Highlights

  • Altos beneficios sistémicos del género Trichoderma para la agricultura de México

  • Alternativa sostenible para el manejo de enfermedades sin uso de agrotóxicos

  • Selección y evaluación de cepas nativas de Trichoderma para el crecimiento vegetal

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6562
Contaminantes microbianos en cervezas artesanales embotelladas de la Patagonia andina argentina
Mailen Latorre, M. Clara Bruzone, Virginia de Garcia, Diego Libkind
Rev Argent Microbiol. 2023;55:88-99
6562
Highlights

  • La calidad de la cerveza se ve afectada por contaminaciones microbianas.

  • La bacteria predominante en las contaminaciones fue Levilactobacillus brevis.

  • Las levaduras contaminantes más frecuentes fueron del género Saccharomyces.

  • La presencia de contaminantes en la cerveza tiene impacto a nivel sensorial.

  • Ocho de cada diez microcervecerías presentaron problemas de contaminación.

Open access
6507
Molecular detection of SARS-CoV-2 in Argentina: Evaluation of alternative diagnostic tools for the decentralization of the diagnosis
Gonzalo Manuel Castro, Paola Sicilia, Robertino Gierotto, Julieta Sosa, Andrés Marcos Castellaro, María Gabriela Barbás, María Belén Pisano, Viviana E. Ré
Rev Argent Microbiol. 2023;55:206-13
6507
Highlights

  • Tested SARS-CoV-2 molecular assays showed good performance and allowed decentralization.

  • The 9-min RNA extraction was the less time-consuming method yielding quality results.

  • FlashPrep® reagent showed excellent results to perform direct RNA detection.

  • Isothermal amplification assays showed acceptable sensibility and specificity.

  • All the assays were useful for detection of the COVID-19 waves in the central region of Argentina.

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6053
Role of Proteus mirabilis flagella in biofilm formation
Paola Scavone, Victoria Iribarnegaray, María José González, Nicolás Navarro, Nicole Caneles-Huerta, Jorge Jara-Wilde, Steffen Härtel, Pablo Zunino
Rev Argent Microbiol. 2023;55:226-34
6053
Highlights

  • P. mirabilis flagella have a medium-dependent role in cellular hydrophobicity.

  • All motility and catheter migration models showed a significant role of flagella.

  • A flagellate P. mirabilis mutant was outcompeted by the wild-type in biofilms.

  • Biofilm formation of the mutant was impaired as seen in different in vitro assays.

  • Flagellar function could be targeted to prevent biofilm formation.

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5281
Microbiological and chemical characterization of water kefir: An innovative source of potential probiotics for bee nutrition
María A. Rodríguez, Leticia A. Fernández, Marina L. Díaz, Mónica Pérez, Miguel Corona, Francisco J. Reynaldi
Rev Argent Microbiol. 2023;55:176-80
5281
Highlights

  • Relevant microbial community was still present on kefir after one year of storage.

  • Bacteria and yeasts were more numerous in kefir grains compared with beverage.

  • Lentilactobacillus hilgardii, Lentilactobacillus buchneri and Saccharomyces cerevisiae were identified in water kefir.

  • Water kefir may be an innovative source of potential probiotic strains for bee nutrition.

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5243
Study of the genetic diversity of Moraxella spp. isolates obtained from corneal abscesses
Karina L. Roitman, Lucía Cipolla, Patricia Minervini, Mónica Prieto
Rev Argent Microbiol. 2023;55:20-4
5243
Highlights

  • MALDI-TOF MS is a reliable tool for identifying M. lacunata and M. nonliquefaciens.

  • Using SmaI as restriction enzyme, PFGE is a useful technique for typing Moraxella species.

  • Antibiotic susceptibility testing for M. lacunata is not standardized by the CLSI.

Open access
5013
Actinomyces europaeus (Gleimia europaea) asociado con absceso cerebral: comunicación de tres casos
Carla Álvarez, Marisa Almuzara, Claudia Tosello, Daniel Stecher, Carlos Vay, Claudia Barberis
Rev Argent Microbiol. 2023;55:235-9
5013
Highlights

  • Los abscesos cerebrales pueden estar relacionados con otitis media crónica.

  • La espectrometría de masas es útil para identificar A. europaeus.

  • Se destaca la relevancia de A. euroapeus y su asociación a la localización cerebral.

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4433
Caso autóctono de rickettsiosis por Rickettsia parkeri en la Selva Paranaense, Misiones, Argentina
Katherina A. Vizcaychipi, Mabel D. Giménez, Natalia Casas, Susana Lloveras, Gabriel L. Cicuttin, Daniela Lamattina, Javier Marx, Williams Pedrozo, ... Rita Armitano
Rev Argent Microbiol. 2023;55:83-7
4433
Highlights

  • Rickettsia parkeri es una causa de rickettsiosis en Misiones, Argentina.

  • El diagnóstico diferencial mejora la detección de rickettsiosis en zonas de arbovirus.

  • Este hallazgo aporta a la epidemiología y al conocimiento médico regional.

Open access
4066
Comparison of SARS-CoV-2 viral load in asymptomatic and symptomatic children attended in a referral public pediatric hospital in Argentina
Marcelo Darío Golemba, Matías Moragas, María Florencia Fernández, Daniela Borgnia, Martín Ruhle, Marcela Palladino, Ana Paula Arias, Silvina Ruvinsky, ... Andrea Mangano
Rev Argent Microbiol. 2023;55:143-9
4066
Highlights

  • SARS-CoV-2 viral load quantitative data in children was analyzed.

  • Symptomatic children had higher viral load compared to asymptomatic children.

  • Viral load results may help healthcare workers to safely manage infected children.

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3903
First molecular characterization of Escherichia coli O157:H7 isolates from clinical samples in Paraguay using whole-genome sequencing
Natalie Weiler, Lucia Jazmín Martínez, Josefina Campos, Tomas Poklepovich, Maria Veronica Orrego, Flavia Ortiz, Mercedes Alvarez, Karina Putzolu, ... Isabel Chinen
Rev Argent Microbiol. 2023;55:111-9
3903
Highlights

  • Predominance of hypervirulent clade 8 among STEC strains in Paraguay.

  • Antimicrobial resistance mechanisms were observed in highly pathogenic strains.

  • O157:H7 STEC are genotypically diverse and are spread among different clusters.

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3744
Antimicrobial resistance dissemination associated with intensive animal production practices in Argentina: A systematic review and meta-analysis
Barbara Prack McCormick, María P. Quiroga, Verónica E. Álvarez, Daniela Centrón, Pablo Tittonell
Rev Argent Microbiol. 2023;55:25-42
3744
Highlights

  • AMR and multidrug resistance associated with the animal and the production system.

  • Higher prevalence of AMR in swine and chicken, and intensive production.

  • Lower prevalence of AMR in cattle, and in extensive production/family farming.

  • There is a research gap regarding prevalence of AMR in beef-cattle from feedlot.

  • Need for restriction of highest priority antimicrobials in food-producing animals.

Open access
3672
Bloodstream infection by Rhodococcus corynebacterioides in a pediatric patient diagnosed with high-risk retinoblastoma
Ana Rosa Méndez-Cruz, Georgina Elizabeth Félix-Bermúdez, Dinora Virginia Aguilar-Escobar, Lourdes Vega-Vega, Aurea Itzel Morales-Estrada, Araceli Contreras-Rodríguez
Rev Argent Microbiol. 2023;55:68-72
3672
Highlights

  • R. corynebacterioides is considered as an opportunistic pathogen in humans.

  • R. corynebacterioides is underestimated as cause of bacteremia in cancer patients.

  • 16S rRNA sequence analysis confirmed the identification of R. corynebacterioides.

Open access
3650
Surveillance of Shiga toxin-producing Escherichia coli associated bloody diarrhea in Argentina
Marta Rivas, Mariana Pichel, Mariana Colonna, Adrián López Casanello, Laura F. Alconcher, Jimena Galavotti, Iliana Principi, Sofía Pérez Araujo, ... EPI-HUS Investigation Team
Rev Argent Microbiol. 2023;55:345-54
3650
Highlights

  • A prospective study on STEC-bloody diarrhea was performed in Argentina between October 2018 and June 2019.

  • Twenty-nine (4.1%) of 714 bloody diarrhea patients aged 1–9 years were STEC-positive.

  • Four (13.8%) bloody diarrhea cases progressed to HUS 3–9 days after diarrhea onset.

  • The most common serotypes among BD and HUS cases were O157:H7 and O145:H28.

  • The prevalent genotypes among BD and HUS cases were stx2a-only or -associated.

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3572
Helicobacter pylori infection: A balance between bacteria and host
Pamela Bucci, Yanina Barbaglia, Fabián Tedeschi, Fabián Zalazar
Rev Argent Microbiol. 2023;55:60-7
3572
Highlights

  • H. pylori genotypes and SNP-174G>C IL-6 in patients with gastritis were evaluated.

  • More virulent genotypes and -174G/G IL-6 were found in active chronic gastritis IM+.

  • Our results can be useful to identify patients at greater risk for adenocarcinoma.

Open access
3495
Biological control of foodborne pathogens by lactic acid bacteria: A focus on juice processing industries
María Clara Tarifa, María del Rosario Agustín, Lorena Inés Brugnoni
Rev Argent Microbiol. 2023;55:378-86
3495
Highlights

  • L. casei and L. rhamnosus controlled foodborne pathogen adhesion on stainless steel.

  • Foodborne pathogens tolerate and grow in the juice acidic food matrices.

  • LAB form protective biofilms against pathogens in juice production environments.

  • Protective biofilms of Lactobacillus cells on stainless steel are a promising option.

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3352
Impact of the multiplex molecular FilmArray Respiratory Panel on antibiotic prescription and clinical management of immunocompromised adults with suspected acute respiratory tract infections: A retrospective before–after study
Silvina Bergese, Bárbara Fox, Natalia García-Allende, María Elisa Elisiri, Ana Elizabeth Schneider, Juan Ruiz, Sol Gonzalez-Fraga, Viviana Rodriguez, Liliana Fernandez-Canigia
Rev Argent Microbiol. 2023;55:337-44
3352
Highlights

  • FilmArray Respiratory Panel was associated with fewer antimicrobial prescriptions.

  • The main impact was the reduction of macrolides and beta-lactams prescriptions.

  • Immunocompromised patients could be the most favored using rapid molecular testing.

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