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18
Candida albicans the main opportunistic pathogenic fungus in humansIgnacio 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
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Highlights
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Candida albicans is the main opportunistic fungus of humans.
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Eno1, Pgk1 and Als1 of C. albicans have significant immunogenicity.
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Virulence factors involved in the pathogenesis of C. albicans.
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Microbiological and chemical characterization of water kefir: An innovative source of potential probiotics for bee nutritionMaría A. Rodríguez, Leticia A. Fernández, Marina L. Díaz, Mónica Pérez, Miguel Corona, Francisco J. Reynaldi
Rev Argent Microbiol. 2023;55:176-80
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Highlights
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Relevant microbial community was still present on kefir after one year of storage.
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Bacteria and yeasts were more numerous in kefir grains compared with beverage.
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Lentilactobacillus hilgardii, Lentilactobacillus buchneri and Saccharomyces cerevisiae were identified in water kefir.
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Water kefir may be an innovative source of potential probiotic strains for bee nutrition.
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5
Effect of glyphosate and ciprofloxacin exposure on enteric bacteria of tadpolesAna P. Cuzziol Boccioni, Guillermo García-Effron, Paola M. Peltzer, Rafael C. Lajmanovich
Rev Argent Microbiol. 2023;55:120-8
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Highlights
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Glyphosate-based herbicides (GBH) and ciprofloxacin (CIP) alter tadpoles microbiota.
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GBH increase taxa diversity and abundance of fast-growing enteric bacteria.
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CIP exposure reduced taxa diversity and increase dominance of Aeromonas spp.
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GBH-CIP mixture treatment also cause dysbiosis of bacteria from tadpoles microbiota.
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4
Antimicrobial resistance dissemination associated with intensive animal production practices in Argentina: A systematic review and meta-analysisBarbara Prack McCormick, María P. Quiroga, Verónica E. Álvarez, Daniela Centrón, Pablo Tittonell
Rev Argent Microbiol. 2023;55:25-42
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Highlights
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AMR and multidrug resistance associated with the animal and the production system.
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Higher prevalence of AMR in swine and chicken, and intensive production.
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Lower prevalence of AMR in cattle, and in extensive production/family farming.
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There is a research gap regarding prevalence of AMR in beef-cattle from feedlot.
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Need for restriction of highest priority antimicrobials in food-producing animals.
Open access
4
Bloodstream infection by Rhodococcus corynebacterioides in a pediatric patient diagnosed with high-risk retinoblastomaAna 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
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Highlights
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R. corynebacterioides is considered as an opportunistic pathogen in humans.
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R. corynebacterioides is underestimated as cause of bacteremia in cancer patients.
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16S rRNA sequence analysis confirmed the identification of R. corynebacterioides.
Open access
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Helicobacter pylori infection: A balance between bacteria and hostPamela Bucci, Yanina Barbaglia, Fabián Tedeschi, Fabián Zalazar
Rev Argent Microbiol. 2023;55:60-7
4
Highlights
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H. pylori genotypes and SNP-174G>C IL-6 in patients with gastritis were evaluated.
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More virulent genotypes and -174G/G IL-6 were found in active chronic gastritis IM+.
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Our results can be useful to identify patients at greater risk for adenocarcinoma.
Open access
3
First molecular characterization of Escherichia coli O157:H7 isolates from clinical samples in Paraguay using whole-genome sequencingNatalie 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
3
Highlights
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Predominance of hypervirulent clade 8 among STEC strains in Paraguay.
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Antimicrobial resistance mechanisms were observed in highly pathogenic strains.
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O157:H7 STEC are genotypically diverse and are spread among different clusters.
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2
Laboratory surveillance of invasive Haemophilus influenzae disease in Argentina, 2011–2019Adriana Efron, Daniela Nápoli, Silvina Neyro, María del Valle Juárez, María Moscoloni, Nahuel Sánchez Eluchans, Mabel Regueira, Silvina Lavayén, ... Mauricio Santos
Rev Argent Microbiol. 2023;55:133-42
2
Highlights
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Reemergence of invasive H. influenzae b disease was observed.
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The clon ST-6 was the most frequent.
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Laboratory surveillance is essential.
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2
Comparison of SARS-CoV-2 viral load in asymptomatic and symptomatic children attended in a referral public pediatric hospital in ArgentinaMarcelo 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
2
Highlights
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SARS-CoV-2 viral load quantitative data in children was analyzed.
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Symptomatic children had higher viral load compared to asymptomatic children.
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Viral load results may help healthcare workers to safely manage infected children.
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2
Mycoparasitic interaction between Trichoderma afroharzianum strain Th2RI99 and Rhizoctonia solaniEliana Melignani, Mara E. Martin, Vanesa Y. Mema, Catalina B. Taibo, Julia V. Sabio y García, Viviana A. Barrera
Rev Argent Microbiol. 2023;55:199-200
2
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Revista Argentina de Microbiología
Special content about COVID-19
- Reduction in the incidence of invasive infections caused by encapsulated bacteria after the onset of the COVID-19 pandemic
- Molecular detection of SARS-CoV-2 in Argentina: Evaluation of alternative diagnostic tools for the decentralization of the diagnosis
- Cycle threshold predicted mortality in a cohort of patients with hematologic malignancies infected with SARS-CoV-2
- Comparison of SARS-CoV-2 viral load in asymptomatic and symptomatic children attended in a referral public pediatric hospital in Argentina
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