Temperature fluctuations? What is on and what is off.

Every organism prefers a certain ambient temperature, but what happens when it experiences a change in temperature? Prof. Olga Zhaxybayeva and her colleagues at the University of Alberta have examined how an oil-dwelling bacterium Kosmotoga olearia, the current "record holder" of the growth temperature range, responds to temperature fluctuations.  In their paper in the Extremophiles journal, the researchers report that change in temperature affects about a quarter of this bacterium's genes and that gene duplication and horizontal gene transfer played an important role in this bacterium's ability to grow between 20 and 79 degrees Celsius.

Link to the paper:
https://www.ncbi.nlm.nih.gov/pubmed/28894932