Author

Diana M. Álvarez-Espejo

Pontificia Universidad Católica de ChileORCID 0000-0002-9678-2961Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Genomics· 1 Microbiology· 1

Signature Assays, Organisms & Methods

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Organism:bacteria (other)· 1 Approach:biophysical modeling· 1 Research Focus:genome assembly· 1 Research Focus:host-pathogen & immune response· 1 Assay:metagenomics· 1 Approach:statistical model· 1 Assay:whole-genome sequencing· 1

Frequent Co-Authors

Alejandro Piña-IturbeiD· 2 shared Andrea I. Moreno‐SwittiD· 2 shared Rocío Barrón-Montenegro· 2 shared Angélica Reyes-JaraiD· 1 shared Constanza Díaz-GavidiaiD· 1 shared Cristobal Martinez-PadillaiD· 1 shared Daniel Tichy-NavarroiD· 1 shared Doina Solís· 1 shared

Activity by Year

2024-2026 · peak 1/yr

Co-Author Collaboration Network

10 top collaborators · 33 mutual co-author links

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2 shared papersMicrobiology

Alejandro Piña-IturbeORCID

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2 papers

Recent·Most cited

MicrobiologyMicrobiology SpectrumPeer-reviewedSep 25, 2026

Prophage {Phi}ESI promotes competitive dominance in the emergent Salmonella serovar Infantis lineage

Cristobal Martinez-Padilla, Daniel Tichy-Navarro, Rocío Barrón-Montenegro…·Alejandro Piña-Iturbe

This paper identifies {Phi}ESI, a prophage in Salmonella Infantis, as a competitive factor that helps the emergent lineage outcompete non-emergent strains by selectively lysing susceptible competitors.

DOI 10.1128/spectrum.01159-26

bacteria (other)metagenomics

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GenomicsThe Lancet Regional Health - AmericasPeer-reviewedMar 11, 2024

Widespread dissemination of ESBL-producing Salmonella enterica serovar Infantis exhibiting intermediate fluoroquinolone resistance and harboring blaCTX-M-65-positive pESI-like megaplasmids in Chile

Alejandro Piña-Iturbe, Constanza Díaz-Gavidia, Francisca P. Álvarez…·Andrea I. Moreno‐Switt

This study sequenced 396 Salmonella Infantis genomes from Chile, revealing widespread dissemination of MDR isolates associated with ESBL-producing plasmids and intermediate fluoroquinolone resistance across multiple niches.

18 citations

whole-genome sequencingstatistical model

𝕏 PostBluesky