Hfq regulates the expression of the thermostable direct hemolysin gene in Vibrio parahaemolyticus
2008
Hfq and its Role in Regulating Virulence in Vibrio parahaemolyticus
publication
Evidence: moderate
Author Information
Author(s): Nakano Masayuki, Takahashi Akira, Su Zehong, Harada Nagakatsu, Mawatari Kazuaki, Nakaya Yutaka
Primary Institution: The University of Tokushima Graduate School
Hypothesis
Does Hfq regulate virulence-associated genes in Vibrio parahaemolyticus?
Conclusion
Hfq regulates the expression of virulence-associated factors such as TDH and may be involved in the pathogenicity of V. parahaemolyticus.
Supporting Evidence
- Hfq deletion mutant showed higher production of TDH compared to the parental strain.
- Transcription of the tdh gene was up-regulated in the hfq deletion mutant.
- Hfq-complemented strain had normal levels of tdh expression.
- Other virulence-associated genes were also up-regulated in the hfq deletion mutant.
Takeaway
Hfq is a protein that helps bacteria like Vibrio parahaemolyticus make a harmful substance called TDH, which makes them more dangerous.
Methodology
The study used an hfq deletion mutant to assess the effect of Hfq on the expression of virulence-associated genes.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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