Search Results - "Lucchesi, Paula M.A"

Verotoxins in Bovine and Meat Verotoxin-Producing Escherichia coli Isolates: Type, Number of Variants, and Relationship to Cytotoxicity by Krüger, Alejandra, Lucchesi, Paula M.A, Parma, Alberto E

“…In this study, we determined vt subtypes and evaluated verotoxicity in basal as well as induced conditions of verotoxin-producing Escherichia coli (VTEC)…”
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Genetic characterization of non-O157 verocytotoxigenic Escherichia coli isolated from raw beef products using multiple-locus variable-number tandem repeat analysis by Franci, Tomás, Sanso, A Mariel, Bustamante, Ana V, Lucchesi, Paula M A, Parma, Alberto E

“…Verocytotoxigenic Escherichia coli (VTEC) can produce serious human illness linked to the consumption of contaminated food, mainly of bovine origin. There is…”
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Genetic diversity of O157:H7 and non-O157 verocytotoxigenic Escherichia coli from Argentina inferred from multiple-locus variable-number tandem repeat analysis (MLVA) by Bustamante, Ana V, Mariel Sanso, A, Lucchesi, Paula M.A, Parma, Alberto E

“…Abstract Although serotype O157:H7 has been implicated in most cases of haemolytic-uraemic syndrome (HUS), there is growing concern about non-O157 serotypes of…”
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Shiga toxins and stx phages: highly diverse entities by Krüger, Alejandra, Lucchesi, Paula M A

“…Shiga toxins are the main virulence factors of a group of Escherichia coli strains [Shiga toxin-producing E. coli (STEC)] that cause severe human diseases,…”
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Molecular characterization of Verocytotoxigenic Escherichia coli O157:H7 isolates from Argentina by Multiple-Loci VNTR Analysis (MLVA) by Bustamante, Ana V.(Universidad Nacional del Centro de la Pcia. de Buenos Aires Faculdad Ciêcias Veterinarias Departamento de Sanidad Animal y Medicina Preventiva,Consejo Nacional de Investigaciones Científicas y Técnicas), Lucchesi, Paula M.A.(Universidad Nacional del Centro de la Pcia. de Buenos Aires Faculdad Ciêcias Veterinarias Departamento de Sanidad Animal y Medicina Preventiva,Consejo Nacional de Investigaciones Científicas y Técnicas), Parma, Alberto E.(Universidad Nacional del Centro de la Pcia. de Buenos Aires Faculdad Ciêcias Veterinarias Departamento de Sanidad Animal y Medicina Preventiva,Comisión de Investigaciones Científicas-Gobierno Pcia. Buenos Aires)

“…The aim of this work was to adapt described MLVA protocols to the molecular typing and characterization of VTEC O157:H7 isolates from Argentina. Nine VNTR loci…”
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Recommendations for the detection of Leptospira in urine by PCR by Lucchesi, Paula M A, Arroyo, Guillermo H, Etcheverría, Analía I, Parma, Alberto E, Seijo, Alfredo C

“…In the present study PCR was applied to detect leptospires in human urine. Several approaches for sample processing were evaluated to optimize the detection of…”
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Comparable stx2a expression and phage production levels between Shiga toxin‐producing Escherichia coli strains from human and bovine origin by Burgán, Julia, Krüger, Alejandra, Lucchesi, Paula M. A.

“…Shiga toxin‐producing Escherichia coli (STEC) can cause diarrhoea and severe diseases in humans, such as haemolytic uraemic syndrome. STEC virulence is…”
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Effect of the Food Additives Sodium Citrate and Disodium Phosphate on Shiga Toxin-Producing Escherichia coli and Production of stx-Phages and Shiga toxin by Lenzi, Lucas J, Lucchesi, Paula M A, Medico, Lucía, Burgán, Julia, Krüger, Alejandra

“…Induction and propagation of bacteriophages along the food production chain can represent a significant risk when bacteriophages carry genes for potent toxins…”
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Characterization of the flanking region of the Shiga toxin operon in Stx2a bacteriophages reveals a diversity of the NanS-p sialate O-acetylesterase gene by Pascal, Stefanía B., Lorenzo, Ramiro, Farías, María Victoria Nieto, Rossen, John W.A., Lucchesi, Paula M. A., Krüger, Alejandra

“…Shiga toxin-producing E. coli (STEC) are diarrheagenic strains that can cause bloody diarrhea and hemolytic-uremic syndrome. Their main virulence factor, the…”
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Serotypes, virulence profiles and stx subtypes of Shigatoxigenic Escherichia coli isolated from chicken derived products by Alonso, Mónica Z., Krüger, Alejandra, Sanz, Marcelo E., Padola, Nora L., Lucchesi, Paula M.A.

“…Shigatoxigenic Escherichia coli (STEC) is a foodborne pathogen that causes hemolytic uremic syndrome (HUS) and the consumption of chicken products has been…”
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Genetic characterization of Shiga toxin-producing Escherichia coli O26:H11 strains isolated from animal, food, and clinical samples by Krüger, Alejandra, Lucchesi, Paula M A, Sanso, A Mariel, Etcheverría, Analía I, Bustamante, Ana V, Burgán, Julia, Fernández, Luciana, Fernández, Daniel, Leotta, Gerardo, Friedrich, Alexander W, Padola, Nora L, Rossen, John W A

“…The Shiga-toxin producing Escherichia coli (STEC) may cause serious illness in human. Here we analyze O26:H11 strains known to be among the most reported STEC…”
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Molecular Characterization of Shiga Toxin-Producing Escherichia coli Isolated from the Environment of a Dairy Farm by Polifroni, Rosana, Etcheverría, Analía I., Sanz, Marcelo E., Cepeda, Rosana E., Krüger, Alejandra, Lucchesi, Paula M. A., Fernández, Daniel, Parma, Alberto E., Padola, Nora L.

“…Environmental samples were taken from ground, cattle water troughs, and feeders from a dairy farm with different STEC prevalence between animal categories…”
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Virulence genes and intimin types of Shiga-toxin-producing Escherichia coli isolated from cattle and beef products in Argentina by Blanco, Miguel, Padola, Nora L, Krüger, Alejandra, Sanz, Marcelo E, Blanco, Jesús E, González, Enrique A, Dahbi, Ghizlane, Mora, Azucena, Bernárdez, María Isabel, Etcheverría, Analía I, Arroyo, Guillermo H, Lucchesi, Paula M A, Parma, Alberto E, Blanco, Jorge

“…A total of 153 Shiga-toxin-producing Escherichia coli (STEC) isolates from feces of cattle and beef products (hamburgers and ground beef) in Argentina were…”
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Differences in Shiga toxin and phage production among stx(2g)-positive STEC strains by Granobles Velandia, Claudia V, Krüger, Alejandra, Parma, Yanil R, Parma, Alberto E, Lucchesi, Paula M A

“…Shiga toxin-producing Escherichia coli (STEC) are characterized by the production of Shiga toxins (Stx) encoded by temperate bacteriophages. Stx production is…”
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Characterization of Shiga toxin-producing Escherichia coli O130:H11 and O178:H19 isolated from dairy cows by Fernández, Daniel, Krüger, Alejandra, Polifroni, Rosana, Bustamante, Ana V, Sanso, A Mariel, Etcheverría, Analía I, Lucchesi, Paula M A, Parma, Alberto E, Padola, Nora L

“…Shiga toxin-producing E. coli (STEC) are isolated from human patients with bloody diarrhea, hemorrhagic colitis (HC), and hemolytic uremic syndrome (HUS). In…”
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Distribution of saa gene variants in verocytotoxigenic Escherichia coli isolated from cattle and food by Lucchesi, Paula M.A., Krüger, Alejandra, Parma, Alberto E.

“…The pathogenesis of verocytotoxigenic Escherichia coli (VTEC) infection in humans is multifactorial, given that verocytotoxins are the principal virulence…”
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Occurrence of subtilase cytotoxin and relation with other virulence factors in verocytotoxigenic Escherichia coli isolated from food and cattle in Argentina by Velandia, Claudia V Granobles, Mariel Sanso, A, Krüger, Alejandra, Suárez, Lorena V, Lucchesi, Paula M A, Parma, Alberto E

“…We investigated the presence of the gene of subtilase cytotoxin (SubAB), described in certain highly virulent verocytotoxigenic E. coli strains, in isolates…”
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Molecular characterization of Verocytotoxigenic Escherichia coli O157:H7 isolates from Argentina by Multiple-Loci VNTR Analysis (MLVA) by Bustamante, Ana V, Lucchesi, Paula M A, Parma, Alberto E

“…The aim of this work was to adapt described MLVA protocols to the molecular typing and characterization of VTEC O157:H7 isolates from Argentina. Nine VNTR loci…”
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Subtyping of STEC by MLVA in Argentina by Bustamante, Ana V, Sanso, Andrea M, Parma, Alberto E, Lucchesi, Paula M A

“…Shiga toxin-producing Escherichia coli (STEC) causes serious human illness such as hemolytic uremic syndrome (HUS). Argentina has the world's highest rate of…”
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Evaluation of vt2-subtyping methods for identifying vt2g in verotoxigenic Escherichia coli by Kruger, Alejandra, Lucchesi, Paula M. A, Parma, Alberto E

“…Lab. Inmunoquímica y Biotecnología, Depto. Sanidad Animal y Medicina Preventiva, Fac. Cs. Veterinarias, Universidad Nacional del Centro Pcia. Buenos Aires…”
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