Vol. 56.Issue. 2. April - June 2024 | Revista Argentina de Microbiología

ISSN: 0325-7541

Revista Argentina de Microbiología is published by the Asociación Argentina de Microbiología (AAM) on a quarterly basis. The aim of this journal is to publish current scientific works in the different areas of Microbiology and Parasitology. Some of the topics considered of special interest are: infections caused by bacteria, fungi, parasites and viruses; mechanisms of pathogenicity, and virulence factors; resistance to antimicrobial agents; taxonomy; epidemiology and phenotypic, immunologic and molecular diagnostic methods. RAM also publishes articles on microbial ecology and diversity, zoo- and phytopathogens and microorganisms of value for food, agronomic, industrial and environmental applications. With the purpose of covering basic aspects of research in the area, the journal is also interested in the publication of manuscripts on microorganism genomics, proteomics and enzymology, as well as in those articles dealing with regional impact.

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Se evaluó la calidad de aguas de uso recreativo en la provincia de Salta.
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Los parámetros microbiológicos en su mayoría superan los límites para la recreación.
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Se detectaron formas parasitarias con gran implicancia para la salud pública.
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Se identificaron por PCR amebas de vida libre del género Acanthamoeba.
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La caracterización parasitológica es necesaria en controles de calidad rutinarios.

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The MVA vector expressing the F protein of bovine respiratory syncytial virus is immunogenic in systemic and mucosal immunization routes

Alejandra Ferella, Marina Mozgovoj, Débora Garanzini, María José Dus Santos, Gabriela Calamante, María Paula Del Médico Zajac

Rev Argent Microbiol. 2024;56:125-33

Highlights

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MVA-F induces BRSV-neutralizing antibodies and in vitro IFN-γ secretion.
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This response is higher in a homologous vaccination scheme.
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MVA-F administered by the IN route elicit systemic and nasal anti-BRSV antibodies.

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Inhibitory action of antibiotics on Kluyveromyces marxianus

Rafael Lisandro Althaus, Orlando Guillermo Nagel, Dafna Eluk

Rev Argent Microbiol. 2024;56:134-9

Highlights

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The inhibition of antibiotics is detected with a simple bioassay in a short time.
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Cephalosporins, quinolones and tetracyclines inhibits the growth of K. marxianus.
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Similar bioassays could analyze the antibiotic susceptibility of pathogenic yeasts.

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Microbiología clínica y enfermedades infecciosas

In house-development of a rapid immunochromatographic test for the detection of Escherichia coli in urine samples

Paula Da Cunda, Amy Mónaco, María Moreno, María José Gonzalez, Paola Scavone, Luciana Robino

Rev Argent Microbiol. 2024;56:140-6

Highlights

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The new immunochromatographic test is a helpful tool for UTI screening.
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The E. coli immunochromatographic test has high specificity and diagnostic precision.

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Prevalencia y distribución geográfica de las enfermedades de transmisión sexual de los bovinos en la provincia de Formosa, Argentina

María Nair Viola, Iris Carolina Elías, Marcelo Signorini, Ana Ines Molineri, Ana María Russo, Patricia Andrea Zimmer, Laura Analía Lozina, Juana Noemí Gimenez

Rev Argent Microbiol. 2024;56:147-52

Highlights

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Prevalencia de Campylobacter fetus entre 2018-2021 en bovinos en Formosa, tendencia ascendente.
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La prevalencia inter-rodeo de CGB fue 29,62% y para TB 17,23%.
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La región centro de Formosa posee mayor riesgo de presentar enfermedades venéreas.

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Distribution, seroprevalence and risk factors for bovine brucellosis in Brazil: Official data, systematic review and meta-analysis

Isis Daniele dos Santos Rocha, Inácio José Clementino, Débora Luise Canuto de Sousa, Clebert José Alves, Carolina de Sousa Américo Batista Santos, Sérgio Santos de Azevedo

Rev Argent Microbiol. 2024;56:153-64

Highlights

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Pooled seroprevalence of bovine brucellosis in Brazil was 2% (95% CI: 1%, 3%).
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Total sample size (number of animals evaluated) ranged from 109 to 686086.
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Purchase of animals for breeding was the most frequent risk factor.
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It is suggested broad surveys with updated seroprevalence data and risk factors.

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Genomic characterization of Moraxella bovis and Moraxella bovoculi Uruguayan strains isolated from calves with infectious bovine keratoconjunctivitis

Lucía Bilbao, Sofía Acquistapace, Ana Umpiérrez, Pablo Smircich, Pablo Alonzo, José R. Sotelo-Silveira, Pablo Zunino

Rev Argent Microbiol. 2024;56:165-74

Highlights

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Clinical IBK-associated M. bovis and M. bovoculi Uruguayan strains were sequenced.
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Remarkable similarities with reference genomes were observed.
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Differences were observed among virulence factors of both strains.
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A putative and lax recombination site was identified in the M. bovis genome.
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No fimbiral recombination sites were found in M. bovoculi genome.

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Microbiología agrícola, ambiental e industrial

Transcriptional study of genes involved in the passage from teliospore to hyphae stage in the fungus Thecaphora frezii, the causal agent of peanut smut

María S. Díaz, Néstor W. Soria, Ana C. Figueroa, Pablo Yang, Esteban H. Badariotti, Valeria R. Alasino, Pablo Vélez, Dante M. Beltramo

Rev Argent Microbiol. 2024;56:175-86

Highlights

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The transition of Thecaphora frezii from teliospore to hyphae is important in the life cycle.
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Analysis of RNAseq data made possible to observe genes up and down-regulated in fungal transition.
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Differential gene expressions can contribute to understand Thecaphora frezii biology.

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Carpogenic germination of Sclerotinia sclerotiorum sclerotia in Brassica oleracea var gemmifera (VN: Brussels sprouts) in North Patagonia, Argentina

A.G. Scarso, M.C. Sosa, M.J. Ousset, M.C. Lutz

Rev Argent Microbiol. 2024;56:187-90

Highlights

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First report of the sexual phase of Sclerotinia sclerotiorum in Patagonia - Argentina.
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High incidence of ascosporic infections.

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Microbiología de alimentos

Bacterial diversity using metagenomics of 16s rDNA in water kefir, an innovative source of probiotics for bee nutrition

María A. Rodríguez, Leticia A. Fernández, Marina L. Díaz, Cristian A. Gallo, Miguel Corona, Jay D. Evans, Francisco J. Reynaldi

Rev Argent Microbiol. 2024;56:191-7

Highlights

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Microbial community composition of beverage and grain of Argentinian water kefir were significantly different.
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The beverage of the water kefir showed higher level of microbial alpha diversity.
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Water kefir may be an innovative source of probiotic strains for bee nutrition.

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Imagen microbiológica

The microPIXE technique to understand the distribution of heavy metals in arbuscular mycorrhizal symbiosis

M. Statello, R.P. Colombo, E.M. de la Fournière, M.E. Debray, A.M. Godeas, V.A. Silvani

Rev Argent Microbiol. 2024;56:198-9

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