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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Growth, tolerance, and enzyme activities of Trichoderma strains in culture media added with a pyrethroids-based insecticide

Caliope Mendarte-Alquisira, Alejandro Alarcón, Ronald Ferrera-Cerrato

Rev Argent Microbiol. 2024;56:79-89

Highlights

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Trichoderma spp. strains tolerate 200ppm of pyrethroids and carbamate insecticides.
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Trichoderma spp. consortium growth in liquid culture with 100ppm of insecticide.
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Insecticide promotes the release of proteins and peroxidases by Trichoderma spp.
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Insecticide decreases chitinase and endoglucanase produced by Trichoderma spp.

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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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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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Macroencapsulation of Limosilactobacillus reuteri DSPV002C as nutritional supplement for piglets: Storage stability and survival in gastrointestinal conditions

Jorge Alberto Zimmermann, Noelí Sirini, Carolina Raquel Olivero, María Sol Renna, Marcelo Lisandro Signorini, María Virginia Zbrun, Laureano Sebastián Frizzo, Lorena Paola Soto

Rev Argent Microbiol. 2024;56:90-101

Highlights

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Capsules designed with industrial materials are effective as probiotic carrier for pigs.
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Whey permeate protects the inoculum during lyophilization process.
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Freezing and vacuum condition maintain the viability of the inoculum for 210 days.
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Encapsulation protect the inoculum under simulated gastrointestinal conditions.
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Macrocapsules ensure delivery to the site of action in the gastrointestinal tract.

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Detection of plasma anti-lipopolysaccharide (LPS) antibodies against enterohemorrhagic Escherichia coli (EHEC) in asymptomatic kindergarten teachers from Buenos Aires province

Romina J. Fernandez-Brando, Flavia Sacerdoti, María M. Amaral, Alan M. Bernal, Marcelo Da Rocha, Marcela Belardo, Marina S. Palermo, Cristina A. Ibarra

Rev Argent Microbiol. 2024;56:25-32

Highlights

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Fifty-one percent of teachers had circulating antibodies against O157, O145, O121 and O103 LPS.
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Anti-O157 antibodies were the most abundant found in 43% of the samples.
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Twenty-one of the samples reacted against more than one LPS serotype.
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Twenty percent showed IgM antibodies against at least one LPS serotype.
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Continuous educational programs could help to reduce cases of HUS.

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Caracterización molecular de Escherichia coli diarreogénica proveniente de población pediátrica ambulatoria con diarrea, atendida en dos hospitales de Buenos Aires, Argentina

Nora Beatriz Molina, Sebastián Oderiz, Marisa Ana López, Juan Ángel Basualdo, Mónica Delfina Sparo

Rev Argent Microbiol. 2024;56:8-15

Highlights

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E.coli diarreogénica fue detectada en el 14% (84/601) de los niños con diarrea.
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El patotipo EAEC fue prevalente y mostró un alto grado de diversidad genética.
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EAEC, ETEC, STEC, EPEC y EIEC fueron detectados en población menor de 5años.

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