Targets of the Entamoeba histolytica Transcription Factor URE3-BP
2008

Understanding the Role of URE3-BP in Entamoeba histolytica

publication 10 minutes Evidence: moderate

Author Information

Author(s): Gilchrist Carol A., Baba Duza J., Zhang Yan, Crasta Oswald, Evans Clive, Caler Elisabet, Sobral Bruno W. S., Bousquet Christina B., Leo Megan, Hochreiter Ameilia, Connell Sarah K., Mann Barbara J., Petri William A. Jr

Primary Institution: University of Virginia

Hypothesis

The transcription factor URE3-BP regulates the expression of virulence genes in Entamoeba histolytica.

Conclusion

The study identified new transcripts regulated by URE3-BP that may influence the motility and virulence of Entamoeba histolytica.

Supporting Evidence

  • URE3-BP was shown to regulate the expression of two virulence factors in Entamoeba histolytica.
  • Over half of the modulated genes had a URE3 matrix in their promoter region.
  • Induction of URE3-BP led to an increase in transwell migration of trophozoites.

Takeaway

Researchers studied a protein called URE3-BP that helps a tiny parasite called Entamoeba histolytica become more harmful. They found that this protein controls many genes that help the parasite move and cause sickness.

Methodology

The study used electrophoretic mobility shift assays (EMSA) and transcriptome profiling to identify genes regulated by URE3-BP.

Limitations

The study could not measure transcript levels of certain genes due to their similarity to other gene family members.

Statistical Information

P-Value

p<0.0001

Statistical Significance

p<0.0001

Digital Object Identifier (DOI)

10.1371/journal.pntd.0000282

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