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35
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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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
8
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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7
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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6
Role of Proteus mirabilis flagella in biofilm formationPaola 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
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Highlights
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P. mirabilis flagella have a medium-dependent role in cellular hydrophobicity.
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All motility and catheter migration models showed a significant role of flagella.
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A flagellate P. mirabilis mutant was outcompeted by the wild-type in biofilms.
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Biofilm formation of the mutant was impaired as seen in different in vitro assays.
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Flagellar function could be targeted to prevent biofilm formation.
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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
5
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
4
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
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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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4
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
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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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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
4
Seroprevalence of human leptospirosis in a rural community from Tandil, Argentina. Assessment of risk factors and spatial analysisJulia A. Silva, Exequiel A. Scialfa, Matías Tringler, Marcelo G. Rodríguez, Adela Tisnés, Santiago Linares, Mariana A. Rivero
Rev Argent Microbiol. 2023;55:49-59
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Highlights
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Epidemiologic and spatial analysis of leptospirosis can be applied in human population.
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Information about leptospirosis in rural areas is scarce.
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Preventive measures can be applied for human leptospirosis from rural areas.
Open access
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