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Detection of Burkholderia cepacia DNA from artificially infected EDTA-blood and lung tissue comparing different DNA isolation methods.

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  • 1Institut fuer Medizinische Informatik und Biomathematik, Domagkstrasse 9, 48149 Munster, Germany.


Bacterial DNA (Burkholderia cepacia) was prepared from artificially infected equine ethylenediaminetetraacetic acid (EDTA)-blood and lung tissue by using four standard methods (lysis buffer containing proteinase K, phenol/chloroform/isoamylalcohol-extraction, microwave-treatment, heat treatment) and six commercially available kits (Puregene, High Pure PCR Template Preparation Kit, InstaGene, QiaAmp Tissue Kit, DNAzol and Elu-Quik). After a subsequent polymerase chain reaction (PCR), their efficacy and sensitivity were compared. Concerning the detection limits, the simple lysis with a proteinase K-containing buffer led to the best results for EDTA-blood as well as for artificially infected lung tissue.

[PubMed - indexed for MEDLINE]
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