Biologists from Syracuse University are examining the processes that enable microbial eukaryotes to flourish in the harsh environment of a geothermal lake. It is estimated that the Earth is home to around 8.7 million species of eukaryotic organisms. Eukaryotes are characterized by the presence of a
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As researchers work toward a better understanding of the mechanisms behind the evolution of species on Earth, questions remain about how microbial eukaryotes adapted to the planet’s extreme environments. To dive further into this topic, scientists in the College of Arts and Sciences’ Department of Biology are currently investigating protists that inhabit some of the harshest environments on Earth: extremely hot and acidic geothermal lakes.
So how did they know to travel to a hot lake in California to find microbial eukaryotic life? In a recent study published inco-authored by Oliverio and Hannah Rappaport, a researcher in Oliverio’s lab, the team built a database of previous studies that searched for microbial eukaryotic life across extreme environments. Specifically, they analyzed which eukaryotic lineages were detected multiple times from different studies under similar environmental conditions.
This past summer, Oliverio and Rappaport traveled to Lassen National Park to find out more about this particular protist and to search for other novel extremophilic eukaryotes. At the lake, the team used a long painter’s pole affixed with a 1-liter bottle to obtain samples – no easy task considering the water is well over 100 degrees.
Image of amoebae and red algae , photographed by Hannah Rappaport using light microscopy. These were sampled from a geothermal lake at Lassen Volcanic National Park.
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