SdiA Activation in Turtles
Author Information
Author(s): Smith Jenee N., Dyszel Jessica L., Soares Jitesh A., Ellermeier Craig D., Altier Craig, Lawhon Sara D., Adams L. Garry, Konjufca Vjollca, Curtiss Roy III, Slauch James M., Ahmer Brian M. M.
Primary Institution: The Ohio State University
Hypothesis
SdiA detects the AHL-production of other bacterial species within the animal host.
Conclusion
SdiA is activated during the transit of Salmonella through turtles, but not in other tested animals.
Supporting Evidence
- SdiA was not activated during the transit of Salmonella through several other animal species.
- All turtles examined were colonized by the AHL-producing species Aeromonas hydrophila.
- The study represents the first demonstration of SdiA activity in animals.
Takeaway
The study found that a protein called SdiA in Salmonella can sense signals from bacteria in turtles, but not in other animals like mice or chickens.
Methodology
The RIVET method was used to test SdiA activity in vivo by administering Salmonella strains to various animals and analyzing fecal samples.
Limitations
The study could not determine the exact conditions under which AHLs are produced in different animal species.
Participant Demographics
The study involved various animal species including mice, guinea pigs, rabbits, pigs, chickens, calves, and turtles.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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