An investigation of Staphylococcus aureus and related species from flood affected and other environmental sources

Jayasundara, Nadeesha Samanmalee (2014) An investigation of Staphylococcus aureus and related species from flood affected and other environmental sources. Masters by Research thesis, Queensland University of Technology.

Abstract

This research investigated the microbial air quality of flooded houses in Brisbane suburbs following the January 2011 flood event. Flood waters can carry and spread human pathogenic bacteria, and these organisms can be dispersed into residential air by aerosolisation. This study found that the bacterial load was significantly different for indoor and outdoor areas of flood affected houses, but no significant differences were observed between flooded and non-flooded houses. This could be due to the rapid clean-up of flooded houses following the event. Molecular methods were used to identify and characterise staphylococcal species in residential air of flooded and non-flooded houses. A major finding was the diverse population of airborne staphylococci as well as the high rate of methicillin-resistance in these strains. By determining the genetic relatedness of residential air sourced staphylococci, a potential source for pathogenic strains can be identified.

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175 since deposited on 23 Jun 2014
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ID Code: 72538
Item Type: QUT Thesis (Masters by Research)
Supervisor: Huygens, Flavia & Hargreaves, Megan
Keywords: Airborne bacteria, Flood, Residential air, Genus Staphylococcus, Molecular identification, Methicillin resistance, CEDM
Divisions: Current > Schools > School of Biomedical Sciences
Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Institution: Queensland University of Technology
Deposited On: 23 Jun 2014 05:49
Last Modified: 09 Sep 2015 05:33

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