Author

Oscar Romero

University of Guelph

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

Biology Disciplines

Click to filter author papers

Microbiology· 3

Signature Assays, Organisms & Methods

Click to filter · or open tag

Research Focus:drug response / drug discovery· 3 Approach:experimental assay· 3 Assay:proteomics· 3 Organism:E. coli· 2 Approach:statistical model· 2 Organism:fungi (other)· 1

Frequent Co-Authors

Jennifer Geddes‐McAlisteriD· 3 shared Norris Chan· 3 shared Chelsea ReitzeliD· 2 shared Jonathan Sayewich· 2 shared Stevan CucićiD· 2 shared Adnane SellamiD· 1 shared Aimee Maria Dawe· 1 shared Andrew Hamilton-WrightiD· 1 shared

Activity by Year

2026-2026 · peak 3/yr

Co-Author Collaboration Network

10 top collaborators · 30 mutual co-author links

Click any collaborator node to inspect or filter shared papers

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

Curved chords = mutual co-authorship

3 shared papersMicrobiology

Jennifer Geddes‐McAlisterORCID

Mutual co-authors in cluster

Author profile →

3 papers

Recent·Most cited

Iron-responsive phosphorylation of TolQ modulates cell envelope integrity and antibiotic susceptibility in Klebsiella pneumoniae

Chelsea Reitzel, Jonathan Sayewich, Stevan Cucić, Oscar Romero, Norris Chan, Jennifer Geddes‐McAlister

This study identifies iron-dependent phosphorylation of TolQ in K. pneumoniae, linking iron availability to Tol-Pal system function and antibiotic susceptibility.

bioRxiv · Apr 27, 2026 · PreprintMicrobiology

SbmA coordinates iron homeostasis and antimicrobial susceptibility in Klebsiella pneumoniae through phosphorylation-dependent regulation

Chelsea Reitzel, Jonathan Sayewich, Stevan Cucić, Oscar Romero, Norris Chan, Jennifer Geddes‐McAlister

This study identifies SbmA as a regulator of iron homeostasis and antimicrobial susceptibility in K. pneumoniae through phosphorylation-dependent mechanisms, revealing it as a potential therapeutic target.

bioRxiv · Apr 27, 2026 · PreprintMicrobiology

A structure-guided pipeline yields peptide inhibitors that disarm fungal peptidase-driven virulence and resistance

Davier Gutierrez‐Gongora, Jacob Hambly, Norris Chan, Oscar Romero, Michael Woods, Esther Olabisi-Adeniyi, Aimee Maria Dawe, María Juliana Mantilla, Gregory A. Wasney, Jared S. Deyarmin, Stephanie N. Samra, Pedro Alberto Valiente, Melanie Alpaugh, Adnane Sellam, Ryan S. Prosser, , Jennifer Geddes‐McAlister

The paper designs peptide inhibitors targeting fungal peptidases to reduce virulence and resistance without harming host cells, showing efficacy in vitro and in vivo.

bioRxiv · Apr 10, 2026 · PreprintMicrobiology