APPLICATION OF A POLYMERASE CHAIN REACTION TO DETECT BURKHOLDERIA PSEUDOMALLEI IN CLINICAL SPECIMENS FROM PATIENTS WITH SUSPECTED MELIOIDOSIS

DANIEL GAL Tropical and Emerging Infectious Diseases Division, Menzies School of Health Research, Charles Darwin University, Darwin, Northern Territory, Australia; Infectious Diseases Unit, Northern Territory Clinical School, Flinders University, Royal Darwin Hospital, Darwin, Northern Territory, Australia

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MARK MAYO Tropical and Emerging Infectious Diseases Division, Menzies School of Health Research, Charles Darwin University, Darwin, Northern Territory, Australia; Infectious Diseases Unit, Northern Territory Clinical School, Flinders University, Royal Darwin Hospital, Darwin, Northern Territory, Australia

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EMMA SPENCER Tropical and Emerging Infectious Diseases Division, Menzies School of Health Research, Charles Darwin University, Darwin, Northern Territory, Australia; Infectious Diseases Unit, Northern Territory Clinical School, Flinders University, Royal Darwin Hospital, Darwin, Northern Territory, Australia

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ALLEN C. CHENG Tropical and Emerging Infectious Diseases Division, Menzies School of Health Research, Charles Darwin University, Darwin, Northern Territory, Australia; Infectious Diseases Unit, Northern Territory Clinical School, Flinders University, Royal Darwin Hospital, Darwin, Northern Territory, Australia

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BART J. CURRIE Tropical and Emerging Infectious Diseases Division, Menzies School of Health Research, Charles Darwin University, Darwin, Northern Territory, Australia; Infectious Diseases Unit, Northern Territory Clinical School, Flinders University, Royal Darwin Hospital, Darwin, Northern Territory, Australia

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The diagnostic potential of a Burkholderia pseudomallei type three secretion system (TTS1) polymerase chain reaction (PCR) was examined on clinical specimens from 27 patients with sepsis in the Northern Territory of Australia, a region endemic for melioidosis. The TTS1 PCR was conducted on DNA extracted from a range of clinical specimens (blood, sputum, urine, joint, pericardial and pleural fluid, and swabs from skin lesions, throat, nose, and rectum). The PCR sensitivity in culture-positive clinical specimens from the nine confirmed patients with melioidosis was 65% and the specificity was 100%, with no PCR-positive results in specimens from 18 patients without melioidosis. The PCR based on the B. pseudomallei TTS1 has the potential to substantially improve the timeliness of diagnosis of melioidosis.

Author Notes

Reprint requests: Bart J. Currie, Menzies School of Health Research, P.O. Box 41096, Casuarina, Northern Territory 0811, Australia.
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