Genotyping of Porphyromonas gingivalis in Relationship to Virulence

Atsuo Amano, Youn Hee Choi, Hiroki Takeuchi

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

1 Scopus citations

Abstract

Porphyromonas gingivalis, a significant periodontal pathogen, is known to possess genetic variations in relation to its virulence. Furthermore, fimbriae encoded by the fimA gene are involved in bacterial adherence to and invasion of host cells, and a known virulence factor of the bacterium. The fimA gene is classified into six variants (types I–V and Ib) and has been shown to be related to microbial virulence. Polymerase chain reaction (PCR) assay results are helpful to differentiate the genotypes, with fimA type-specific primer sets used for that have been developed by several researchers. Although room for improvement remains, fimA genotyping is expected to become a useful technique for periodontal examinations and diagnosis. In this chapter, currently available PCR methods to classify fimA genotypic variations of P. gingivalis are described.

Original languageEnglish
Title of host publicationMethods in Molecular Biology
PublisherHumana Press Inc.
Pages53-59
Number of pages7
DOIs
StatePublished - 2021

Publication series

NameMethods in Molecular Biology
Volume2210
ISSN (Print)1064-3745
ISSN (Electronic)1940-6029

Keywords

  • Fimbriae
  • Genotyping
  • PCR
  • Periodontal bacteria
  • Periodontitis
  • Polymerase chain reaction
  • Porphyromonas gingivalis
  • fimA

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