Author

Juan D. Valencia‐Bacca

Wake Forest University Health SciencesORCID 0009-0005-7368-4719Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Immunology· 1 Microbiology· 1

Signature Assays, Organisms & Methods

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Approach:experimental assay· 2 Research Focus:host-pathogen & immune response· 2 Organism:bacteria (other)· 1 Research Focus:cell signaling & trafficking· 1 Research Focus:cell type annotation· 1 Research Focus:development & morphogenesis· 1 Approach:genetic perturbation / CRISPR· 1 Organism:mouse· 1

Frequent Co-Authors

Karen M. HaasiD· 2 shared M. Ammar ZafariD· 2 shared Noah A. Nutter· 2 shared Abigail A. HegartyiD· 1 shared Alexis E. Adams-SimsiD· 1 shared Giovanna E. HernandeziD· 1 shared Hope L. NzukiiD· 1 shared Jamie E. Jennings‐GeeiD· 1 shared

Activity by Year

2026-2026 · peak 2/yr

Co-Author Collaboration Network

10 top collaborators · 35 mutual co-author links

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2 shared papersMicrobiology

Karen M. HaasORCID

Mutual co-authors in cluster

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2 papers

Recent·Most cited

MicrobiologyInfection and ImmunityPeer-reviewedSep 4, 2026

DksA-Dependent Stringent Stress Response Drives Virulence and Gastrointestinal Persistence of Klebsiella pneumoniae

Md. Maidul Islam, Robert L. Beckman, Noah A. Nutter…·M. Ammar Zafar

This study identifies DksA as a key regulator of the stringent stress response in K. pneumoniae, linking it to antibiotic resistance, virulence, and gastrointestinal colonization.

2 citationstop 2%

bacteria (other)experimental assay

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ImmunologymBioPeer-reviewedFeb 11, 2026

Divergent roles for complement components C3 and C4 in controlling Klebsiella pneumoniae gut colonization and systemic dissemination

Juan D. Valencia‐Bacca, Jamie E. Jennings‐Gee, Noah A. Nutter…·Karen M. Haas

This study identifies distinct roles for complement proteins C3 and C4 in controlling Klebsiella pneumoniae gut colonization and systemic spread under different conditions.

3 citationstop 3%

mouseexperimental assay

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