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Updated: May 19, 2026

Analysis of Yersinia enterocolitica Effector Translocation into Host Cells Using Beta-lactamase Effector Fusions
Published on: October 13, 2015
Yersinia pestis and approaches to targeting its outer protein H protein-tyrosine phosphatase (YopH)
1Chemical Biology Laboratory, Frederick National Laboratory for Cancer Research, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD 21702, U.S.A.
Abstract:
Plague is an infectious disease with a high mortality rate that has repeatedly impacted human society. It remains a threat in many parts of the world today. Plague is caused by the bacterium, Yersinia pestis (Y. pestis), which has as one of its required virulence factors, the protein-tyrosine phosphatase, YopH. Therefore, YopH represents a potential target for the treatment of Y. pestis infection. Recent recognition of Y. pestis as a possible bioterrorism agent and the fact that it is still the cause of endemic disease around the world make it an important object of study and heighten the need for new anti-plague agents. The current review covers aspects of plague and its historical occurrence and summarizes approaches to developing YopH inhibitors.
Insights
Plague, a deadly infectious disease caused by Yersinia pestis, remains a global threat. This review explores developing inhibitors for YopH, a key Y. pestis virulence factor, for new anti-plague treatments.
Area of Science:
- Microbiology
- Infectious Diseases
- Biochemistry
Background:
- Plague, a high-mortality infectious disease caused by Yersinia pestis (Y. pestis), has historically impacted human societies and remains an ongoing global health concern.
- Y. pestis poses a significant threat due to its potential as a bioterrorism agent and its continued endemic presence worldwide.
- The bacterium Yersinia pestis utilizes several virulence factors to establish infection, including the protein-tyrosine phosphatase, YopH.
Observation:
- YopH is a critical virulence factor essential for Y. pestis pathogenesis.
- Inhibiting YopH function could be a viable strategy to combat Y. pestis infections.
- Understanding YopH's role is crucial for developing targeted anti-plague therapies.
Findings:
- This review summarizes current knowledge on plague and its historical impact.
- It details various strategies being explored for the development of YopH inhibitors.
- The focus is on targeting YopH as a potential therapeutic approach against Y. pestis.
Implications:
- Developing YopH inhibitors could lead to novel treatments for plague.
- Effective anti-plague agents are needed to address both endemic disease and bioterrorism threats.
- Targeting YopH offers a promising avenue for new drug discovery against Yersinia pestis infections.
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