Application of PCR and probe hybridization techniques in detection of airborne fungal spores in environmental samples
Wu, Z., Blomquist, G., Westermark, S. and Wang, X.
2002
Journal of Environmental Monitoring, 4 (5), 673 - 678
Wu, Z., Blomquist, G., Westermark, S. and Wang, X., (2002), "Application of PCR and probe hybridization techniques in detection of airborne fungal spores in environmental samples", Journal of Environmental Monitoring, 4 (5), 673 - 678.
| Abstract: |
| Specific PCR amplification and probe hybridization techniques were applied to examine the compositions of airborne fungi in samples from three different environments. The results from microscopic and CFU counting were compared to those of the molecular-based detections. The detection sensitivity for PCR amplifications was 9 to 73 spores and 1.3 to 19.3 CFUs per PCR reaction. The hybridization detection limit was 2 to 4 spores and 0.2 to 1.2 CFU. The hybridization method was more sensitive than PCR amplification and showed less variation among samples. Using specific PCR primers and probes we identified the presence of several fungal groups and species in the air samples. Specific detections through probe hybridization to PCR products amplified with universal or group-specific fungal primers have promising applications in the examination of air samples for environmental monitoring. |
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