Author

Òscar Q. Pich

Universitat Autònoma de BarcelonaORCID 0000-0003-3561-630XUnclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Microbiology· 3 Genomics· 1 Molecular Biology· 1

Signature Assays, Organisms & Methods

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Approach:experimental assay· 4 Organism:human· 3 Research Focus:host-pathogen & immune response· 2 Assay:whole-genome sequencing· 2 Assay:bulk RNA-seq· 1 Research Focus:differential expression· 1 Organism:E. coli· 1 Research Focus:gene regulatory network inference· 1

Frequent Co-Authors

Inmaculada Gómez-SáncheziD· 4 shared Miquel Sánchez−OsunaiD· 4 shared Oriol GaschiD· 4 shared Paula BiergeiD· 3 shared Ana R. FreitasiD· 2 shared Carla NovaisiD· 2 shared Judith Guitart-MatasiD· 2 shared Luísa Maria Sobreira Vieira PeixeiD· 2 shared

Activity by Year

2023-2026 · peak 3/yr

Co-Author Collaboration Network

10 top collaborators · 36 mutual co-author links

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Focal author (center)Selected co-authorORCID co-authorUnlinked name

Curved chords = mutual co-authorship

4 shared papersMicrobiology

Inmaculada Gómez-SánchezORCID

Mutual co-authors in cluster

Author profile →

5 papers

Recent·Most cited

MicrobiologybioRxivPreprintAug 28, 2026

Widespread occurrence of ampicillin-susceptible Enterococcus faecium and Enterococcus lactis clinical isolates with low MICs to cephalosporins from Spain and Portugal

Miquel Sánchez−Osuna, Inmaculada Gómez-Sánchez, Juan Carlos Vázquez-Ucha…·Òscar Q. Pich

The paper investigates the prevalence of ampicillin-susceptible Enterococcus faecium and E. lactis isolates with low cephalosporin MICs in Spain and Portugal, finding widespread occurrence and diverse genetic factors.

DOI 10.64898/2026.08.28.747786

humanexperimental assay

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MicrobiologyAntimicrobial Agents and ChemotherapyPeer-reviewedMar 23, 2026

Single point mutations in global regulatory genes restore cephalosporin resistance in a low-MIC Enterococcus faecium natural isolate

Miquel Sánchez−Osuna, Paula Bierge, Inmaculada Gómez-Sánchez…·Òscar Q. Pich

DOI 10.1128/aac.01948-25

E. coliwhole-genome sequencing

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MicrobiologyMicrobial PathogenesisPeer-reviewedJan 23, 2026

Comparative mortality of dominant Staphylococcus aureus lineages in human bacteremia and animal infection models

Miquel Sánchez−Osuna, Marc Bravo, María-Alexandra Cañas…·Òscar Q. Pich

The paper compares the virulence of different Staphylococcus aureus lineages in bacteremia and infection models, finding significant differences in pathogenicity and identifying key virulence factors.

1 citation

humanbulk RNA-seq

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GenomicsiSciencePeer-reviewedJun 28, 2024

Genomic analysis of Staphylococcus aureus isolates from bacteremia reveals genetic features associated with the COVID-19 pandemic

Miquel Sánchez−Osuna, Marc Pedrosa, Paula Bierge…·Òscar Q. Pich

The paper analyzes S. aureus isolates from bacteremia to identify genetic features linked to the COVID-19 pandemic, finding increased prevalence of certain resistance genes and virulence factors.

11 citations

whole-genome sequencingstatistical model

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Molecular BiologybioRxivPreprintJul 31, 2023

Dynamics of the adhesion complex of the human pathogens Mycoplasma pneumoniae and Mycoplasma genitalium

David Vizarraga, Akihiro Kawamoto, Marina Marcos-Silva…·Tsuyoshi Kenri

The paper reports the cryo-EM structure of a bacterial adhesin complex and identifies epitopes that affect adhesion and motility in Mycoplasma pneumoniae.

DOI 10.1101/2023.07.31.551205

humanexperimental assay

𝕏 PostBluesky