Characterization of the dsDNA prophage sequences in the genome of Neisseria gonorrhoeae and visualization of productive bacteriophage
2007

Study of Prophage Sequences in Neisseria gonorrhoeae

publication Evidence: moderate

Author Information

Author(s): Piekarowicz Andrzej, Kłyż Aneta, Majchrzak Michał, Adamczyk-Popławska Monika, Maugel Timothy K, Stein Daniel C

Primary Institution: Institute of Microbiology, Warsaw University

Hypothesis

The presence and function of prophage sequences in the genome of Neisseria gonorrhoeae are largely unknown.

Conclusion

The study suggests that certain prophage genes in Neisseria gonorrhoeae are conserved and can regulate the expression of other genes in this pathogen.

Supporting Evidence

  • Five genomic regions related to dsDNA lysogenic phage were identified.
  • Prophage sequences were shown to regulate the expression of other neisserial genes.
  • Bacteriophage particles were visualized in culture supernatants after induction.

Takeaway

Scientists found that Neisseria gonorrhoeae has special DNA sequences from viruses that can help control how the bacteria behave.

Methodology

The study involved bioinformatic analysis of the genome and experimental validation using PCR and electron microscopy.

Limitations

The study could not demonstrate the production of plaques on any Neisseria strains tested.

Digital Object Identifier (DOI)

10.1186/1471-2180-7-66

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