research overview The research of the Detweiler lab elucidates how bacteria export antibiotics and other toxic molecules. We also work on small molecules that interfere with bacterial infection.
selected publications book Dissecting host-pathogen molecular interactions with microarrays. Ed. 31. 2002 journal article A two-step screen identifies a small molecule that disrupts membrane voltage and is effective against growing and persister gram-negative bacteria.. Microbiology Spectrum. e0321725. 2026 2025 Acknowledgment of MMBR Reviewers. Microbiology and Molecular Biology Reviews. 2025 Beyond antibiotic resistance: evidence for resistance-nodulation-division (RND) efflux pumps as virulence determinants.. Microbiology and Molecular Biology Reviews. e0027824. 2025 The future of Microbiology and Molecular Biology Reviews.. Microbiology and Molecular Biology Reviews. e0029925. 2025 EcoSal Plus will become a part of Microbiology and Molecular Biology Reviews. Microbiology and Molecular Biology Reviews. 2025 Mutations in Genes with a Role in Cell Envelope Biosynthesis Render Gram-Negative Bacteria Highly Susceptible to the Anti-Infective Small Molecule D66. Microorganisms. 2025 A call for the United States to continue investing in science. Clinical Microbiology Reviews. 2025 A call for the United States to continue investing in science. Microbiology Spectrum. 2025 A call for the United States to continue investing in science. 2025 A call for the United States to continue investing in science. Journal of Microbiology & Biology Education. 2025 A call for the United States to continue investing in science. Applied and Environmental Microbiology. 2025 A call for the United States to continue investing in science. mSystems. 2025 A call for the United States to continue investing in science. Journal of Bacteriology. 2025 A call for the United States to continue investing in science. Journal of Virology. 2025 A call for the United States to continue investing in science. Microbiology Resource Announcements. 2025 A call for the United States to continue investing in science. Journal of Clinical Microbiology. 2025 A call for the United States to continue investing in science. mBio. 2025 A call for the United States to continue investing in science. Infection and Immunity. 2025 A call for the United States to continue investing in science. Antimicrobial Agents and Chemotherapy. 2025 A call for the United States to continue investing in science. Microbiology and Molecular Biology Reviews. 2025 A call for the United States to continue investing in science. mSphere. 2025 2024 Acknowledgment of MMBR Reviewers. Microbiology and Molecular Biology Reviews. 2024 Inhibition of multiple staphylococcal growth states by a small molecule that disrupts membrane fluidity and voltage. mSphere. 2024 2023 Acknowledgment of MMBR Reviewers. Microbiology and Molecular Biology Reviews. 2023 Bacterial efflux pump modulators prevent bacterial growth in macrophages and under broth conditions that mimic the host environment. mBio. 2023 2022 Acknowledgment of MMBR Reviewers. Microbiology and Molecular Biology Reviews. 2022 Salmonella enterica Infections Are Disrupted by Two Small Molecules That Accumulate within Phagosomes and Differentially Damage Bacterial Inner Membranes. mBio. 2022 A small molecule that disrupts S. Typhimurium membrane voltage without cell lysis reduces bacterial colonization of mice. PLoS Pathogens. 2022 2021 Acknowledgment of MMBR Reviewers. Microbiology and Molecular Biology Reviews. 2021 Staphylococcal Bacterial Persister Cells, Biofilms, and Intracellular Infection Are Disrupted by JD1, a Membrane-Damaging Small Molecule. mBio. 2021 An Oral Fluorouracil Prodrug, Capecitabine, Mitigates a Gram-Positive Systemic Infection in Mice. Microbiology Spectrum. 2021 A small molecule that mitigates bacterial infection disrupts Gram-negative cell membranes and is inhibited by cholesterol and neutral lipids. PLoS Pathogens. 2020 The ASM Journals Committee Values the Contributions of Black Microbiologists. Infection and Immunity. 2020 The ASM Journals Committee Values the Contributions of Black Microbiologists. Journal of Virology. 2020 The ASM Journals Committee Values the Contributions of Black Microbiologists. Journal of Bacteriology. 2020 The ASM Journals Committee Values the Contributions of Black Microbiologists. Antimicrobial Agents and Chemotherapy. 2020 The ASM Journals Committee Values the Contributions of Black Microbiologists. Clinical Microbiology Reviews. 2020 The ASM Journals Committee Values the Contributions of Black Microbiologists. Molecular and Cellular Biology. 2020 The ASM Journals Committee Values the Contributions of Black Microbiologists. Journal of Clinical Microbiology. 2020 The ASM Journals Committee Values the Contributions of Black Microbiologists. Applied and Environmental Microbiology. 2020 The ASM Journals Committee Values the Contributions of Black Microbiologists. Microbiology and Molecular Biology Reviews. 2020 The ASM Journals Committee Values the Contributions of Black Microbiologists. Microbiology Resource Announcements. 2020 The ASM Journals Committee Values the Contributions of Black Microbiologists. mSystems. 2020 The ASM Journals Committee Values the Contributions of Black Microbiologists. mBio. 2020 The ASM Journals Committee Values the Contributions of Black Microbiologists. mSphere. 2020 The ASM Journals Committee Values the Contributions of Black Microbiologists. Microbiology Spectrum. 2020 Clofazimine Reduces the Survival of Salmonella enterica in Macrophages and Mice. ACS Infectious Diseases. 1238-1249. 2020 The ASM Journals Committee Values the Contributions of Black Microbiologists. Journal of Microbiology & Biology Education. 2020 Infection-based chemical screens uncover host-pathogen interactions. Current Opinion in Microbiology. 43-50. 2020 Salmonella enterica Requires Lipid Metabolism Genes To Replicate in Proinflammatory Macrophages and Mice. Infection and Immunity. 2020 Autophagy Induction by a Small Molecule Inhibits Salmonella Survival in Macrophages and Mice. Antimicrobial Agents and Chemotherapy. 2019 Salmonella Typhimurium Infection of Human Monocyte-Derived Macrophages.. Current Protocols in Microbiology. e56. 2018 A cell-based infection assay identifies efflux pump modulators that reduce bacterial intracellular load. PLoS Pathogens. 2018 Potentiating antibiotics in drug-resistant clinical isolates via stimuli-activated superoxide generation. Science Advances. 2017 A New Way to Beat Intestinal Pathogens. Trends in Microbiology. 169-170. 2017 Salmonella Meningitis Associated with Monocyte Infiltration in Mice. American Journal of Pathology. 187-199. 2017 Long-term live-cell imaging reveals new roles for Salmonella effector proteins SseG and SteA. Cellular Microbiology. 2017 Bacterial Stimulation of Toll-Like Receptor 4 Drives Macrophages To Hemophagocytose. Infection and Immunity. 47-55. 2016 Physiologic Stresses Reveal a Salmonella Persister State and TA Family Toxins Modulate Tolerance to These Stresses. PLoS ONE. 2015 Increased Ferroportin-1 Expression and Rapid Splenic Iron Loss Occur with Anemia Caused by Salmonella enterica Serovar Typhimurium Infection in Mice. Infection and Immunity. 2290-2299. 2015 The Biomechanisms of Metal and Metal-Oxide Nanoparticles' Interactions with Cells. International Journal of Environmental Research and Public Health. 1112-1134. 2015 Salmonella enterica Infection Stimulates Macrophages to Hemophagocytose. mBio. 2014 Salmonella acquires ferrous iron from haemophagocytic macrophages. Molecular Microbiology. 1314-1326. 2014 The Ferric Enterobactin Transporter Fep Is Required for Persistent Salmonella enterica Serovar Typhimurium Infection. Infection and Immunity. 4063-4070. 2013 Salmonella enterica Causes More Severe Inflammatory Disease in C57/BL6 Nramp 1(G169) Mice Than Sv129S6 Mice. Veterinary pathology. 867-876. 2013 Hemophagocytic Macrophages in Murine Typhoid Fever Have an Anti-Inflammatory Phenotype. Infection and Immunity. 3642-3649. 2012 A glycine betaine importer limits Salmonella stress resistance and tissue colonization by reducing trehalose production. Molecular Microbiology. 296-309. 2012 Salmonella enterica Replication in Hemophagocytic Macrophages Requires Two Type Three Secretion Systems. Infection and Immunity. 3369-3377. 2010 Chronic Murine Typhoid Fever Is a Natural Model of Secondary Hemophagocytic Lymphohistiocytosis. PLoS ONE. 2010 A Protein Important for Antimicrobial Peptide Resistance, YdeI/OmdA, Is in the Periplasm and Interacts with OmpD/NmpC. Journal of Bacteriology. 7243-7252. 2009 Intracellular microbes and haemophagocytosis. Cellular Microbiology. 2151-2158. 2008 Hemophagocytic macrophages harbor Salmonella enterica during persistent infection. PLoS Pathogens. 1982-1992. 2007 Cross-species cluster co-conservation: a new method for generating protein interaction networks. Genome Biology. 2007 The Rcs phosphorelay system is specific to enteric pathogens/commensals and activates ydeI, a gene important for persistent Salmonella infection of mice. Molecular Microbiology. 883-894. 2006 BIOT 360-Co-conservation analysis of bacterial genes across phyla reveals that this method can be reliably used to predict gene function. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY. 2006 Microarray analysis and motif detection reveal new targets of the Salmonella enterica serovar typhimurium HilA regulatory protein, including hilA itself. Journal of Bacteriology. 4381-4391. 2005 virK, somA and rcsC are important for systemic Salmonella enterica serovar Typhimurium infection and cationic peptide resistance. Molecular Microbiology. 385-400. 2003 Genomic comparison of Salmonella enterica serovars and Salmonella bongori by use of an S-enterica serovar Typhimurium DNA microarray. Journal of Bacteriology. 553-563. 2003 Salmonella pathogenicity island 2-dependent macrophage death is mediated in part by the host cysteine protease caspase-1. Cellular Microbiology. 825-837. 2001 Host microarray analysis reveals a role for the Salmonella response regulator phoP in human macrophage cell death. Proceedings of the National Academy of Sciences of the United States of America. 5850-5855. 2001 OmpR regulates the two-component system SsrA-SsrB in Salmonella pathogenicity island 2. Journal of Bacteriology. 771-781. 2000 Ectopic induction of Clb2 in early G1 phase is sufficient to block prereplicative complex formation in Saccharomyces cerevisiae. Proceedings of the National Academy of Sciences of the United States of America. 2384-2389. 1998 CDC45 is required in conjunction with CDC7/DBF4 to trigger the initiation of DNA replication. Proceedings of the National Academy of Sciences of the United States of America. 12521-12526. 1997 CdcGp establishes and maintains a state of replication competence during G(1) phase. Journal of Cell Science. 753-763. 1997