Vol. 54.Issue. 1. January - March 2022 | 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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This is the first description and characterization of plasmids from A. ruhlandii.
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Plasmid P138R was maintained in clonally related A. ruhlandii isolates from a single patient.
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It possesses 79% similarity and 99% identity with Pmatvim-7 from P. aeruginosa.
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Nine A. ruhlandii related isolates showed variation in antibiotic resistance profiles.
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A. ruhlandii genomes displayed different antimicrobial resistance determinants.

Open access

Agentes antimicrobianos

Utilidad del panel Sensititre YeastOne® para detectar especies de Candida resistentes a los antifúngicos

Susana Córdoba, Claudio Abiega, Iris Agorio, Susana Amigot, Karina Ardizzoli, Gustavo Giusiano, Liliana Guelfand, Laura López Moral, ... Subcomisión de Micología Clínica

Rev Argent Microbiol. 2022;54:9-14

Highlights

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Alcances de equipos comerciales para detectar resistencia a los antifúngicos in vitro.
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Evaluación del Panel Sensititre YeastOne® en especies de Candida resistentes a antifúngicos.
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Los resultados fueron equiparables a los métodos de referencia.

Open access

Microbiología clínica y enfermedades infecciosas

Primer reporte de Escherichia coli diarreogénica en población pediátrica ambulatoria con diarrea atendida en la ciudad de La Plata, Argentina

Nora Beatriz Molina, Sebastián Oderiz, Cecilia Vescina, Alejandra Córdoba, Juan Ángel Basualdo, Mónica Delfina Sparo

Rev Argent Microbiol. 2022;54:15-21

Highlights

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Escherichia coli diarreogénica se detectó en el 12,3% de los niños con diarrea.
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La infección con EAEC fue prevalente en todos los grupos etarios.
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Las infecciones con ETEC, EPEC y STEC solamente se detectaron en niños menores de 5 años.

Open access

Equine rhinosporidiosis in Buenos Aires, Argentina

Marco Antonio Tizzano, Romina Della Vedova, Ramón Andrés Lopez, Verónica Amor, Candelaria Zubía, Susana Beatriz Córdoba, Francisco José Reynaldi

Rev Argent Microbiol. 2022;54:22-4

Open access

Placentitis and abortion caused by a multidrug resistant strain of Campylobacter fetus subspecies fetus in a sheep in Uruguay

Matías A. Dorsch, María L. Casaux, Lucía Calleros, Virginia Aráoz, Rubén D. Caffarena, Cecilia Monesiglio, Maila Barcellos, Caroline da Silva Silveira, ... Federico Giannitti

Rev Argent Microbiol. 2022;54:25-30

Highlights

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We describe for the first time a case of Campylobacter fetus fetus abortion in sheep in Uruguay.
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Neutrophilic and fibrinonecrotizing placentitis with arteriolitis was diagnosed.
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Campylobacter fetus fetus was isolated and confirmed by PCR and DNA sequencing.
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The strain was resistant to four antimicrobial classes (multidrug resistance).

Open access

Rapid syndromic molecular testing and human parechovirus infection in children: A report of three cases in Argentina

Barbara Fox, Veronica Sabio Paz, María Agustina Incardona, María Elisa Elisiri, Sol Gonzalez Fraga, Claudio Luis Solana, Liliana Fernández-Canigia

Rev Argent Microbiol. 2022;54:31-4

Open access

Expanded distribution of orthohantavirus Pergamino genotype: First record in Entre Rios province, Argentina

Isabel E. Gómez Villafañe, Eliana F. Burgos, Rocio M. Coelho, Carla M. Bellomo, Jerónimo Garcilazo Amatti, Valeria P. Martinez

Rev Argent Microbiol. 2022;54:35-8

Open access

Mycoplasma maculosum and Mycoplasma spumans associated with fertility disorders in dogs from a Bernese Mountain dog kennel

Pablo Jesús Tamiozzo

Rev Argent Microbiol. 2022;54:39-42

Highlights

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Mycoplasma maculosum and Mycoplasma spumans were detected by PCR in dogs.
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After antibiotic treatment reproductive disorders disappeared.
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Veterinarians not often consider Mycoplasma in the differential diagnosis of reproductive diseases.

Open access

Clinical and epidemiological features of tuberculosis isolated from critically ill patients

Joaquín Hurtado, Cecilia Coitinho, Nicolás Nin, María Buroni, Francisco Javier Hurtado, Carlos Robello, Gonzalo Greif

Rev Argent Microbiol. 2022;54:43-7

Highlights

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Genetic structure analysis of 60 TB strains isolated from patients from an ICU.
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We present a comparison with population circulating strains.
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We evaluate the correlation between the clinical outcome and genotypic data.
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We present an extensive cohort study done in critically ill patients with tuberculosis.

Open access

Microbiología de alimentos

Symbiotic pectin microparticles with native Jerusalem artichoke (Helianthus tuberosus L.) enhance Lactobacillus paracasei subsp. tolerans survival

María C. Tarifa, Cristian M. Piqueras, Diego B. Genovese, Irene A. Rubel, María G. Sica, Lorena I. Brugnoni

Rev Argent Microbiol. 2022;54:48-52

Highlights

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L. paracasei F2 was able to ferment inulin in vitro.
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The entrapment yield of L. paracasei F2 in pectin microparticles was ∼92%.
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Inulin from Helianthus tuberosus L. significantly enhanced L. paracasei F2 viability.
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Encapsulated synbiotic presented major survival along storage time and GI passage.

Open access

Detection and genotyping of Listeria monocytogenes in artisanal soft cheeses from Ecuador

Estefania Espinosa-Mata, Lorena Mejía, José E. Villacís, Viviana Alban, Sonia Zapata

Rev Argent Microbiol. 2022;54:53-6

Highlights

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Important occurrence of L. monocytogenes in soft cheeses.
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Molecular and classical detection of L. monocytogenes in food samples.
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First detection of L. monocytogenes serogroups in food and clinical samples in Ecuador.
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Antimicrobial susceptibility of L. monocytogenes.

Open access

Artículo especial

Efecto de los cultivos de cobertura invernales sobre el microbioma del suelo: revisión sistemática de la literatura

Marianela Estefanía Morales, Gastón Alejandro Iocoli, María Bonita Villamil, María Celina Zabaloy

Rev Argent Microbiol. 2022;54:57-70

Highlights

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Se analizaron artículos reportando efectos del uso de cultivos de cobertura invernales (CCI) sobre la microbiota del suelo.
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El 40% reportan aumento de actividad y/o abundancia microbiana con crucíferas.
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Más del 75% informan aumento de actividad y/o abundancia microbiana con gramíneas.
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Más del 50% muestran aumento de actividad y/o abundancia microbiana con leguminosas.
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Las mezclas de especies en CCI incrementan la diversidad microbiana en suelo.

Open access

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