Author

Marcelo E. Tolmasky

California State University, FullertonORCID 0000-0002-6298-7811Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Microbiology· 2 Biochemistry· 1

Signature Assays, Organisms & Methods

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Research Focus:drug response / drug discovery· 2 Approach:experimental assay· 2 Organism:bacteria (other)· 1 Research Focus:host-pathogen & immune response· 1 Organism:human· 1 Approach:statistical model· 1

Frequent Co-Authors

Maria Soledad RamireziD· 3 shared Alejandra C. CorsoiD· 2 shared Fernando G. PasterániD· 2 shared German Matias TragliaiD· 2 shared Robert A. BonomoiD· 2 shared Vyanka MezcordiD· 2 shared Angel J. MagañaiD· 1 shared Cecilia Rodriguez· 1 shared

Activity by Year

2024-2025 · peak 2/yr

Co-Author Collaboration Network

10 top collaborators · 35 mutual co-author links

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3 shared papersMicrobiology

Maria Soledad RamirezORCID

Mutual co-authors in cluster

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3 papers

Recent·Most cited

MicrobiologyJournal of Global Antimicrobial ResistancePeer-reviewedJul 15, 2025

Emerging Resistance to Novel -βLactam β-Lactamase Inhibitor Combinations in Klebsiella pneumoniae bearing KPC Variants

Mase Hamza, German Matias Traglia, Lucía Maccari…·Maria Soledad Ramirez

This study identifies emerging resistance in KPC variants of K. pneumoniae to CZA, FDC, and FPZ, with mutations in specific regions linked to collateral resistance.

21 citationstop 2%

bacteria (other)experimental assay

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MicrobiologyMicrobiology SpectrumPeer-reviewedAug 20, 2024

Hetero-antagonism of avibactam and sulbactam with cefiderocol in carbapenem-resistant Acinetobacter spp.

Olivia Wong, Vyanka Mezcord, Christina Lopez…·María Soledad Ramirez

This study investigates the molecular mechanisms of cefiderocol resistance and antagonism with avibactam and sulbactam in carbapenem-resistant Acinetobacter strains.

5 citations

humanexperimental assay

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BiochemistryAntibioticsPeer-reviewedJul 19, 2024

Structure-activity relationship of pyrrolidine pentamine derivatives as inhibitors of the aminoglycoside 6'-N-acetyltransferase type Ib

Jan Sklenicka, Tung Tran, María Soledad Ramirez…·Marcelo E. Tolmasky

This study identifies pyrrolidine pentamine derivatives as inhibitors of AAC(6')-Ib, showing that structural modifications affect inhibitory activity and that molecular docking correlates with potency.

7 citations

statistical modeldrug response / drug discovery

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