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FEMS Microbiol Lett. 2002 Feb 19;208(1):15-9.

Use of the gyrB gene for the identification of Pandoraea species.

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Department of Pediatrics and Communicable Diseases, University of Michigan Medical School, 8301 MSRB III, Box 0646, 1150 W. Med. Ctr. Dr., Ann Arbor, MI 48109-0646, USA.


The recently described genus Pandoraea consists of five named species and four unnamed genomospecies, several of which have been identified in clinical specimens including respiratory secretions from persons with cystic fibrosis. We investigated whether it is possible to distinguish species of the genus Pandoraea by means of restriction fragment length polymorphism (RFLP) analysis and direct sequencing of the gyrB gene. Sixty-seven Pandoraea isolates were included. Species-specific RFLP patterns were obtained following digestion of the PCR-amplified gyrB gene with MspI. Specificity of RFLP groupings was confirmed by direct sequencing of several representative isolates. Our results indicate that RFLP analysis and sequencing of the gyrB gene are useful for the identification of Pandoraea species. We also found that further taxonomic studies within the beta-Proteobacteria using the gyrB gene would benefit from the development of additional primers allowing more efficient amplification of the gyrB gene. Our data also indicate that the taxonomic status of Pandoraea genomospecies 2 should be reinvestigated.

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