ArticleJournal of medical entomology2018
Dose-Dependent Effects on Replication and Persistence of Salmonella enterica serovar Typhimurium in House Flies (Diptera: Muscidae).
Article in Journal of medical entomology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
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.
The trial behind it
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.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
4 citing papers in PubMed, 21 citations in OpenAlex.
- The gut microbiota induces melanin deposits that act as substrates forMicrobiology spectrum · 2023Article
- A systematic review of experimental studies on Salmonella persistence in insects.NPJ science of food · 2023Review
- House Flies Are Underappreciated Yet Important Reservoirs and Vectors of Microbial Threats to Animal and Human Health.Microorganisms · 2023Review
- Flies as Vectors and Potential Sentinels for Bacterial Pathogens and Antimicrobial Resistance: A Review.Veterinary sciences · 2022Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
2 authors at 1 institution in 1 country.
Funding
Abstract
Adult house flies (Musca domestica L.) ingest variable numbers of bacteria when they encounter microbe-rich substrates. Bacterial abundance may affect replication within the fly gut, which subsequently impacts vector potential. This study investigated the dose-dependent replication of GFP-expressing Salmonella enterica serovar Typhimurium (ex Kauffmann and Edwards1952) Le Minor and Popoff 1987, (Enterobacteriales: Enterobacteriaceae) (GFP S. Typhimurium) within the fly alimentary canal. Adult house flies were fed two doses (colony forming units, CFU) of GFP S. Typhimurium (high, ~105 CFU and low, ~104 CFU). Bacteria were examined at 2-, 4-, 6-, 12-, and 24-h postingestion (PI) in situ in the gut via epifluorescence microscopy and enumerated by culture on selective media. In both treatment groups, GFP S. Typhimurium proliferated and persisted in flies for 24 h. In the high-dose group, proliferation peaked at 6 h PI (>500% increase). In the low-dose group, proliferation peaked at both 4 and 6 h PI (>900% increase). Dose significantly affected bacterial replication within the house fly alimentary canal, particularly at 4-, 6-, and 12-h PI. The ability of S. Typhimurium to proliferate and persist in the alimentary canal demonstrates that house flies may serve as significant reservoirs and probable disseminators of this pathogen. Our results show that bacterial abundance should be considered when assessing the potential of house flies to harbor and transmit pathogens.
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Registered trials
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