Dissemination and survival of non-indigenous bacterial genomes in pristine Antarctic environments.

dc.contributor.authorAh Tow, Lemese
dc.contributor.authorCowan, Donald A.
dc.date.accessioned2010-09-22T10:32:16Z
dc.date.available2010-09-22T10:32:16Z
dc.date.issued2005
dc.description.abstractContinental Antarctic is perceived as a largely pristine environment, although certain localized regions (e.g., parts of the Ross Dependency Dry Valleys) are relatively heavy impacted by human activities. The procedures imposed on Antarctic field parties for the handling and disposal of both solid and liquid wastes are designed to minimise eutrofication and contamination (particularly by human enteric bacteria). However, little consideration has been given to the significance, if any, of less obvious forms of microbial contamination resulting from periodic human activities in Antarctica. The predominant commensal microorganism on human skin, Staphylococcus epidermidis, could be detected by PCR, in Dry Valley mineral soils collected from heavily impacted areas, but could not be detected in Dry Valley mineral soils collected from low impact and pristine areas. Cell viability of this non-enteric human commensal is rapidly lost in Dry Valley mineral soil. However, S. epidermidis can persist for long periods in Dry Valley mineral soil as non-viable cells and/or naked DNA.en_US
dc.identifier.citationAh Tow, L. & Cowan, D.A. (2005). Dissemination and survival of non-indigenous bacterial genomes in pristine Antarctic environments. Extremophiles, 9:385-389.
dc.identifier.urihttp://hdl.handle.net/10566/146
dc.language.isoenen_US
dc.privacy.showsubmitterfalse
dc.publisherSpringer Verlagen_US
dc.rightsAuthor post-print of official article published by Springer.
dc.source.urihttp://dx.doi.org/10.1007/s00792-005-0452-5
dc.status.ispeerreviewedtrue
dc.subjectBacterial genomesen_US
dc.subjectAntarcticaen_US
dc.subjectStaphylococcus epidermidisen_US
dc.subjectMicrobial contaminationen_US
dc.titleDissemination and survival of non-indigenous bacterial genomes in pristine Antarctic environments.en_US
dc.typeArticleen_US

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