Vol. 53.Issue. 1. January - March 2021 | 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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A two-phase bioreactor for dye decolorization by filamentous fungi is presented.
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It allowed de-coupling of sterile growth and non-sterile decolorization.
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First phase involved dye decolorization by immobilized fungal cultures.
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Spherical plastic polyethylene mesh cartridges filled with wheat bran were used.
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In the second phase extracellular ligninolytic extracts were applied.

Open access

Microbiología clínica y enfermedades infecciosas

Baseline prevalence and type distribution of Human papillomavirus in sexually active non-vaccinated adolescent girls from Argentina

Joaquín Víctor González, Gerardo Daniel Deluca, Domingo Javier Liotta, Rita Mariel Correa, Jorge Alejandro Basiletti, María Celeste Colucci, Nathalia Katz, Carla Vizzotti, ... on behalf of the MALBRAN HPV Surveillance Study Group

Rev Argent Microbiol. 2021;53:11-9

Open access

Respiratory pathogens in infants less than two months old hospitalized with acute respiratory infection

Débora N. Marcone, Guadalupe Carballal, Noelia Reyes, Alejandro Ellis, Yamile Rubies, Santiago Vidaurreta, Marcela Echavarria

Rev Argent Microbiol. 2021;53:20-6

Open access

Bordetella pertussis, a reemerging pathogen in pediatric respiratory infections. A study in Quito, Ecuador

Saidy Vásconez Noguera, Katherine Jaramillo, Andrés Zabala, José E. Villacís

Rev Argent Microbiol. 2021;53:27-33

Highlights

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Presence of positive cases of B. pertussis infections in pediatric population ranging from 0-12 months of age of Quito, Ecuador.
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Accurate diagnosis of the disease to reduce the time response for the treatment of the infection.

This work emphasizes the need for an active surveillance for the early detection of Bordetella infections.

Open access

Virulence genes of Escherichia coli in diarrheic and healthy calves

Ana Umpiérrez, Déborah Ernst, Magalí Fernández, Martín Oliver, María L. Casaux, Rubén D. Caffarena, Carlos Schild, Federico Giannitti, ... Pablo Zunino

Rev Argent Microbiol. 2021;53:34-8

Open access

Mastitis por Corynebacterium pyruviciproducens y Corynebacterium amycolatum en mujeres inmunocompetentes no lactantes

Laura V. Fernandez, Ana S. Fortuny, Ernesto F. Rodriguez

Rev Argent Microbiol. 2021;53:39-42

Open access

Nocardiosis esporotricoide por Nocardia brasiliensis

Natalia Alejandra Mangieri, Daiana Guevara Nuñez, Gonzalo Echavarría, Eugenia Bertona, Liliana Castello, Guillermo Benchetrit, Adriana N. De Paulis

Rev Argent Microbiol. 2021;53:43-7

Highlights

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La esporotricosis linfocutánea es una enfermedad poco frecuente y muchas veces subdiagnosticada.
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El diagnóstico de nocardiosis requiere diferenciar entre Sporothrix spp., Nocardia spp. y géneros relacionados, y micobacterias ambientales.
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N. brasiliensis puede ser identificada mediante métodos convencionales sin necesidad de recurrir a plataformas complejas y costosas.

Open access

Microbiología de alimentos

Detoxification of Ochratoxin A by a novel Aspergillus oryzae strain and optimization of its biodegradation

Ke Xiong, Hui-wei Zhi, Jia-yun Liu, Xiao-yi Wang, Zhi-yao Zhao, Peng-gang Pei, Lei Deng, Su-yue Xiong

Rev Argent Microbiol. 2021;53:48-58

Open access

Molecular epidemiology of Campylobacter jejuni isolates from the broiler production chain: first report of MLST profiles in Argentina

M.V. Zbrun, E. Rossler, L.P. Soto, M.R. Rosmini, G.J. Sequeira, L.S. Frizzo, M.L. Signorini

Rev Argent Microbiol. 2021;53:59-63

Highlights

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Campylobacter jejuni is an important food-borne pathogen with a global distribution.
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We evaluated the genotype of C. jejuni isolates from broiler farms and slaughterhouses.
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It is the first molecular epidemiology study of Campylobacter in the broiler production chain in Argentina.
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C. jejuni isolates showed high genetic diversity by PFGE and MLST typing.
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Novel MSLT C. jejuni genotypes have been identified in Argentina.

Open access

Microbiología agrícola, ambiental e industrial

Effect of fungicides commonly used for Fusarium head blight management on growth and fumonisin production by Fusarium proliferatum

Eugenia Cendoya, María Julia Nichea, María del Pilar Monge, Vanessa G.L. Zachetti, Stella Maris Chiacchiera, María Laura Ramirez

Rev Argent Microbiol. 2021;53:64-74

Highlights

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All fungicides reduced F. proliferatum growth rates when compared to the control.
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All fungicides reduced fumonisins production when they were used in high doses.
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Fungicides effect in growth and FBs increased, as they concentration increased.
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Except P, all fungicides used in sub-lethal doses enhanced FBs production.
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P was the most effective fungicide: inhibited growth and FBs in most conditions.

Open access

Cladosporium species causing “Cladosporium rot” on “Bosc” pear fruit in Argentina

Temperini Carolina Virginia, Alonso Javier Néstor, Colodner Adrián Dario, Pose Graciela Noemí

Rev Argent Microbiol. 2021;53:75-7

Highlights

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Cladosporium rot on Bosc pears has been reported in the valleys of Río Negro and Neuquén.
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Cladosporium macrocarpum, C. subtilissimum and C. floccosum were the species involved.
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This is the first report of identified Cladosporium species as involved in this pathology.

Open access

Evaluation and selection of culture media for the detection of auxin-like compounds and phosphate solubilization on soil yeasts

María Cecilia Mestre, María Elena Severino, Sonia Fontenla

Rev Argent Microbiol. 2021;53:78-83

Open access

Imagen microbiológica

Nematicidal effect of an Argentine strain of Photorhabdus laumondi laumondi (Enterobacteriaceae) on the free-living nematode Panagrellus redivivus (Rhabditidae: Panagrolaimidae)

Augusto Salas, María Fernanda Achinelly, Diego Herman Sauka

Rev Argent Microbiol. 2021;53:84-5

Open access

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