Author

Karen M. Haas

Wake Forest University Health SciencesORCID 0000-0002-9951-1964Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Immunology· 2 Microbiology· 1

Signature Assays, Organisms & Methods

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Approach:experimental assay· 3 Research Focus:host-pathogen & immune response· 3 Organism:mouse· 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

Frequent Co-Authors

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

Activity by Year

2026-2026 · peak 3/yr

Co-Author Collaboration Network

10 top collaborators · 35 mutual co-author links

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2 shared papersImmunology

Alexis E. Adams-SimsORCID

Mutual co-authors in cluster

Author profile →

3 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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ImmunologyNature CommunicationsPeer-reviewedJun 12, 2026

Pam3CSK4 as a Cross-Species Adjuvant for Polysaccharide Vaccines: Efficacy in Humanized Mouse and Non-Human Primate Models

Jamie E. Jennings‐Gee, Alexis E. Adams-Sims, Karen M. Haas

Pam3CSK4-based adjuvants show promise for boosting protective antibody responses to polysaccharide vaccines.

1 citation

mousenon-human primate

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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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