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Cold-adapted Yeasts
2014, Page: 465 - 480

Bioremediation and Biodegradation of Hydrocarbons by Cold-Adapted Yeasts

Rosa Margesin

Institute of Microbiology, University of Innsbruck, Technikerstrasse 25, 6020, Innsbruck, Austria


Cold-adapted microorganisms play a significant role in the biodegradation of organic pollutants in cold environments, where ambient temperatures often coincide with their growth temperature range. A number of studies demonstrated the potential of cold-adapted yeasts to degrade a broad range of hydrocarbons, including alkanes, aromatic, and polyaromatic hydrocarbons (PAHs), at low temperatures. The high metabolic versatility and the ability to degrade high amounts of organic pollutants at temperatures down to 1 °C point to the important role of yeasts for biodegradation processes in habitats with permanently low temperatures. The contribution of cold-adapted yeasts in the biodegradation and bioremediation of hydrocarbons in cold environments may be much more important than currently recognized.

Keywords: Petroleum hydrocarbons; Phenol; Lipase; Biostimulation



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