Mariana Noelia Viale

Canine coccidioidomycosis in Argentina: Epidemiological trends and evaluation of a rapid diagnostic assay

Mariana Noelia Viale, Patricia Evangelina Mansilla, Diego Hernando Caceres, Flavia Gisele Vivot et autres

Coccidioidomycosis is an endemic fungal infection in northwestern Argentina, where domestic dogs serve as epidemiological sentinels. This study updates the epidemiology of canine coccidioidomycosis from 2015 to 2024 and assesses the performance of a lateral flow assay (LFA) for antibody detection. During …

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Standardization and Clinical Evaluation of a Real-Time PCR Assay for the Diagnosis of Pneumocystis jirovecii Pneumonia

Adriana Inés Toranzo, Norma Fernández, Agustina Forastiero, Liliana I. Guelfand et autres

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Standardization and Clinical Evaluation of a Real-Time PCR Assay for the Diagnosis of Pneumocystis jirovecii Pneumonia

Adriana Inés Toranzo, Norma Fernández, Agustina Forastiero, Liliana I. Guelfand et autres

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Emergence of Feline Sporotrichosis near Brazil Border, Argentina, 2023–2024

Katherina Alicia Vizcaychipi, María Cecilia López-Joffre, Mónica Martínez Martínez, Jerson Andrés Cuéllar-Sáenz et autres

We describe a large urban outbreak of feline sporotrichosis caused by Sporothrix brasiliensis fungi in Argentina. Over a 7-month period in Puerto Iguazú, which borders Brazil, we identified culture-proven sporotrichosis in 9 cases across 7 households. Public health officials should coordinate cross-border …

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Emerging human cases of sporotrichosis associated with feline outbreaks of Sporothrix brasiliensis in the Argentine Triple Frontier Region

Katherina Alicia Vizcaychipi, María Cecilia López-Joffre, Esteban Manuel Couto, Daiana Hara et autres

• Outbreak of zoonotic sporotrichosis caused by Sporothrix brasiliensis in Iguazu city. • Isolates from human and feline cases belonged to a monophyletic S. brasiliensis clade. • Feline cases preceded human cases by approximately 7 months. • Spatial analysis identified high-density clusters …

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Evaluation of the Analytical Performance of a Lateral Flow Assay for the Detection of Anti-Coccidioides Antibodies in Human Sera—Argentina

Mariana Noelia Viale, Diego Hernando Caceres, Patricia Evangelina Mansilla, María Cecilia López-Joffre et autres

Coccidiomycosis is a potentially life-threatening fungal infection endemic to certain regions of Argentina. The infection is caused by Coccidioides spp. and is primarily diagnosed by Coccidioides antibody (Ab) detection. Access to rapid, highly accurate diagnostic testing is critical to ensure prompt antifungal …

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Epidemiology of coccidioidomycosis in Argentina, an update

Mariana Noelia Viale, María Cecilia López-Joffre, Andrea Nora Motter, Patricia Evangelina Mansilla et autres

The National Reference Laboratory in Clinical Mycology of Argentina conducted a retrospective review of human coccidioidomycosis cases diagnosed by the National Mycology Laboratory Network of Argentina between 2010 and 2022 to determine the burden of the disease in the country. A total …

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Effect of the deletion of lprG and p55 genes in the K10 strain of Mycobacterium avium subspecies paratuberculosis

Mariana Noelia Viale, María Alejandra Colombatti Olivieri, Natalia Alonso, Roberto Damián Moyano et autres

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Effectiveness of the National Quality Control Program in Mycology of Argentina and performance evaluation of participating laboratories

Mariana Mazza, Graciela Davel, Nicolás Refojo, Constanza Giselle Taverna et autres

The National Quality Control Program in Mycology (PNCCM) of Argentina was established in 1996 to improve the quality of the mycological diagnosis, to help establish and to set up standardized procedures and continuous training of laboratory staff. The aim of this study …

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Molecular Characterization of Coccidioides spp. Strains Isolated from Patients in the Argentine Republic

Andrea Nora Motter, María Cecilia López-Joffre, Adriana Inés Toranzo, Damián Salas et autres

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Estudio proteómico para mejorar el reactivo PPD-B utilizado en el diagnóstico de tuberculosis bovina: Producción de nuevas mezclas enriquecidas con los componentes más antigénicos de la PPD-B

María Laura Mon, Roberto Damián Moyano, Mariana Noelia Viale, María Alejandra Colombatti Olivieri et autres

La reacción de hipersensibilidad retardada (DTH) producida por la aplicación intradérmica del derivado proteico purificado de una cepa de M. bovis (PPD-B) y la prueba que mide liberación de interferón-gamma (IFN-ϒ) son usadas para el diagnóstico de tuberculosis bovina (TBB). La especificidad …

Characterization of aMycobacterium aviumsubsp.aviumOperon Associated with Virulence and Drug Detoxification

Mariana Noelia Viale, Kun Taek Park, Belén Rocío Imperiale, Andrea Gioffré et autres

The lprG-p55 operon of Mycobacterium tuberculosis and Mycobacterium bovis is involved in the transport of toxic compounds. P55 is an efflux pump that provides resistance to several drugs, while LprG is a lipoprotein that modulates the host's immune response against mycobacteria. The …

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