Author

Dziedzom A. Bansah

University of Illinois Chicago

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

Signature Assays, Organisms & Methods

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Approach:experimental assay· 2 Research Focus:host-pathogen & immune response· 2 Organism:mouse· 2

Frequent Co-Authors

John H. GearyiD· 2 shared Jonathan D. WinkelmaniD· 2 shared Lauren D. PalmeriD· 2 shared Xiaomei ReniD· 2 shared Babette S. ZemeliD· 1 shared Bryan M. Kigongo· 1 shared Connor R. TiffanyiD· 1 shared Elizabeth N. Varner· 1 shared

Activity by Year

2025-2026 · peak 1/yr

Co-Author Collaboration Network

10 top collaborators · 37 mutual co-author links

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2 shared papersMicrobiology

John H. GearyORCID

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2 papers

Recent·Most cited

MicrobiologyNature CommunicationsPeer-reviewedAug 14, 2026

A regulator of amino acid catabolism controls Acinetobacter baumannii gut colonization

John H. Geary, Xiaomei Ren, Dziedzom A. Bansah…·Lauren D. Palmer

This study identifies AstR as a regulator of ornithine catabolism in Acinetobacter baumannii, essential for gut colonization by enabling competition with the microbiota.

1 citation

mouseexperimental assay

𝕏 PostBluesky

MicrobiologyCell Host & MicrobePeer-reviewedAug 1, 2025

Amino acid competition shapes Acinetobacter baumannii gut carriage

Xiaomei Ren, R. C. Clark, Dziedzom A. Bansah…·Lauren D. Palmer

This study shows that A. baumannii uses ornithine to compete with gut microbiota and persist in mice, with dietary ornithine promoting its carriage.

24 citationstop 2%

mouseexperimental assay

𝕏 PostBluesky