ArticlemBio2011
Dot/Icm type IVB secretion system requirements for Coxiella burnetii growth in human macrophages.
Article in mBio, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 175 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
175 citing papers in PubMed, 255 citations in OpenAlex.
- TGF-β/IFN-γ Antagonism in Subversion and Self-Defense of Phase II Coxiella burnetiiInfection and immunity · 2023Trial
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- The lipid A acylation pattern of Coxiella burnetii prevents detection and clearance by the non-canonical inflammasome in primary murine macrophages.PLoS pathogens · 2026Article
- Quantitative three-dimensional imaging ofInfection and immunity · 2026Article
- Stepwise assembly of virulence-associated traits in the intracellular pathogenbioRxiv : the preprint server for biology · 2026Article
- Genome characteristics and type IV effector protein repertoire of Coxiella burnetii depend rather on Genomic Groups than on host species.BMC microbiology · 2026Article
- Subverting Host Defense from Within: Innate Immune Modulation byPathogens (Basel, Switzerland) · 2026Review
- Intralysosomal pathogens differentially influence the proteolytic potential of their niche.Infection and immunity · 2026Article
- TFEB and MCOLN1 are important forFrontiers in cellular and infection microbiology · 2026Article
- Breathing and burning: metabolic control of alveolar macrophages by intracellular bacterial pathogens.Frontiers in physiology · 2026Review
- Obligate intracellular bacteria and host cell death pathways-the matter of life and death.Cell and tissue research · 2025Review
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- Modulation of host cell pathways bymLife · 2025Review
- A diverse family of bacterial deubiquitinases is defined by theProceedings of the National Academy of Sciences of the United States of America · 2025Article
- The intracellular agent of Q fever,mBio · 2025Article
- CYP1B1-AS1 regulates CYP1B1 to promote Coxiella burnetii pathogenesis by inhibiting ROS and host cell death.Nature communications · 2025Article
- Bioluminescent imaging to investigateInfection and immunity · 2025Article
- Coxiella burnetii as a model system for understanding host immune response against obligate intracellular, vacuolar pathogens.PLoS pathogens · 2025Article
- Article
115 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
10 authors at 3 institutions in 1 country.
Funding
Abstract
Central to Q fever pathogenesis is replication of the causative agent, Coxiella burnetii, within a phagolysosome-like parasitophorous vacuole (PV) in mononuclear phagocytes. C. burnetii modulates PV biogenesis and other host cell functions, such as apoptotic signaling, presumably via the activity of proteins delivered to the host cytosol by a Dot/Icm type IVB secretion system (T4BSS). In this study, we utilized a C. burnetii strain carrying IcmD inactivated by the Himar1 transposon to investigate the requirements for Dot/Icm function in C. burnetii parasitism of human THP-1 macrophage-like cells. The icmD::Tn mutant failed to secrete characterized T4BSS substrates, a defect that correlated with deficient replication, PV development, and apoptosis protection. Restoration of type IVB secretion and intracellular growth of the icmD::Tn mutant required complementation with icmD, -J, and -B, indicating a polar effect of the transposon insertion on downstream dot/icm genes. Induction of icmDJB expression at 1 day postinfection resulted in C. burnetii replication and PV generation. Collectively, these data prove that T4BSS function is required for productive infection of human macrophages by C. burnetii. However, illustrating the metabolic flexibility of C. burnetti, the icmD::Tn mutant could replicate intracellularly when sequestered in a PV generated by wild-type bacteria, where Dot/Icm function is provided in trans, and within a phenotypically similar PV generated by the protozoan parasite Leishmania amazonensis, where host cells are devoid of Dot/Icm T4BSS effector proteins.
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What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.