Real-Time PCR Assay Targeting IS 481 of Bordetella pertussis and Molecular Basis for Detecting Bordetella holmesii

Author:

Reischl Udo1,Lehn Norbert1,Sanden Gary N.2,Loeffelholz Mike J.3

Affiliation:

1. Institute of Medical Microbiology and Hygiene, University of Regensburg, D-93053 Regensburg, Germany1;

2. Division of Bacterial and Mycotic Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia 303332; and

3. State Hygienic Laboratory, University of Iowa, Iowa City, Iowa 522423

Abstract

ABSTRACT Detection of Bordetella holmesii by a real-time PCR assay targeting IS 481 of Bordetella pertussis is reported. Sequencing of IS 481 -specific PCR products from B. pertussis and B. holmesii isolates revealed sequence homology. Restriction fragment length polymorphism demonstrated a low copy number of IS 481 -like sequences in B. holmesii . These results, and culture of B. holmesii from patients with cough, suggest that the specificity and predictive value of IS 481 -based PCR assays for pertussis may be compromised.

Publisher

American Society for Microbiology

Subject

Microbiology (medical)

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