Author

Macarena A. Varas

University of Chile

Listed by name: these papers carry no ORCID for this author, so different people with the same name may be mixed together.

Biology Disciplines

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Microbiology· 2 Genomics· 1

Signature Assays, Organisms & Methods

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Approach:experimental assay· 2 Research Focus:host-pathogen & immune response· 2 Organism:bacteria (other)· 1 Research Focus:gene regulatory network inference· 1 Assay:metagenomics· 1 Approach:statistical model· 1 Assay:whole-genome sequencing· 1 Organism:zebrafish· 1

Frequent Co-Authors

Andrés E. MarcoletaiD· 2 shared Francisco P. CháveziD· 2 shared Ian PéreziD· 2 shared Patricio ArrosiD· 2 shared Alexis GaeteiD· 1 shared Camilo Berríos-PasténiD· 1 shared Constanza Lecaros· 1 shared CRISTÓBAL GALBÁN· 1 shared

Activity by Year

2020-2026 · peak 1/yr

Co-Author Collaboration Network

10 top collaborators · 32 mutual co-author links

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2 shared papersMicrobiology

Andrés E. MarcoletaORCID

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Author profile →

3 papers

Recent·Most cited

Inorganic polyphosphate and pyoverdine synthesis are essential for the virulence of Pseudomonas aeruginosa PAO1 in zebrafish larvae

Javiera Ortíz-Severín, Constanza Lecaros, Ian Pérez, Macarena A. Varas, Miguel L. Allende, Francisco P. Chávez

The paper shows that polyphosphate synthesis and pyoverdine production are critical for Pseudomonas aeruginosa virulence in zebrafish larvae, using a simple infection model.

bioRxiv · Mar 19, 2026 · PreprintMicrobiology

Life on the edge: microbial diversity, resistome, and virulome in soils from the Union Glacier cold desert

Patricio Arros, Daniel E. Palma, Matías Gálvez-Silva, Alexis Gaete, Hugo A. Gonzalez, G. Carrasco, José Coche-Miranda, Ian Pérez, Jorge Gallardo-Cerda, Eduardo Castro‐Nallar, CRISTÓBAL GALBÁN, Macarena A. Varas, Marco Campos, Jacqueline Acuña, Milko Alberto Jorquera, , Andrés E. Marcoleta

This study investigates microbial diversity, resistome, and virulome in Union Glacier soils, revealing multidrug-resistant and potentially pathogenic bacteria with resistance and virulence genes.

The Science of The Total Environment · Nov 27, 2024Peer-reviewedMicrobiology

Properties of genes encoding transfer RNAs as integration sites for genomic islands and prophages in Klebsiella pneumoniae

Camilo Berríos-Pastén, Rodolfo Acevedo, Patricio Arros, Macarena A. Varas, Kelly L. Wyres, Margaret M. C. Lam, Kathryn E. Holt, Rosalba Lagos, Andrés E. Marcoleta

The paper investigates t(m)DNAs as integration sites for genomic islands and prophages in Klebsiella pneumoniae, finding their role in horizontal gene transfer and genome evolution.

bioRxiv · Nov 2, 2020 · PreprintGenomics