A panel of probes detects DNA polymorphisms in human and non-human primate isolates of a periodontal pathogen, Actinobacillus actinomycetemcomitans

Janet M. Guthmiller, David Kolodrubetz, Ellen Kraig

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

A panel of five DNA probes has been developed for use in genetic epidemiologic analysis of Actinobacillus actinomycetemcomitans, a bacterium associated with periodontal disease. Restriction fragment length polymorphism profiles were assessed using random genomic probes as well as probes for genes encoding potential virulence factors. These genotypes were compared with serotype and other phenotypic markers. Genotype was shown to be more stable than the phenotypic markers and should prove useful in epidemiological studies of periodontal disease. In addition, the use of a panel of probes has the advantage of being able to distinguish between the occurrence of a new isolate as opposed to a mutation in a strain already characterized. The panel of probes was tested on 35 isolates from humans, 18 isolates from monkeys, and two isolates from a baboon. The genetic probes revealed significant genetic diversity among the A. actinomycetemcomitans isolates. Importantly, most human isolates from an individual genotyped identically, whereas most isolates cultured from a given monkey were different, suggesting that one should exercise caution in comparison of A. actinomycetemcomitans infections in human and non-human primates.

Original languageEnglish (US)
Pages (from-to)103-115
Number of pages13
JournalMicrobial Pathogenesis
Volume14
Issue number2
DOIs
StatePublished - Feb 1993

Fingerprint

Aggregatibacter actinomycetemcomitans
DNA Probes
Primates
Periodontal Diseases
Haplorhini
Actinobacillus Infections
Genotype
Papio
Virulence Factors
Restriction Fragment Length Polymorphisms
Epidemiologic Studies
Bacteria
Mutation
Genes

Keywords

  • Actinobacillus actinomycetemcomitans
  • CAMP
  • Leukotoxin
  • RFLP analysis
  • Random probes

ASJC Scopus subject areas

  • Microbiology
  • Infectious Diseases

Cite this

A panel of probes detects DNA polymorphisms in human and non-human primate isolates of a periodontal pathogen, Actinobacillus actinomycetemcomitans. / Guthmiller, Janet M.; Kolodrubetz, David; Kraig, Ellen.

In: Microbial Pathogenesis, Vol. 14, No. 2, 02.1993, p. 103-115.

Research output: Contribution to journalArticle

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