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College of Arts & Science at Miami University

Microalgae from Antarctica to Ohio

Adaptation in Extreme Environments
(with Dr. Rachael Morgan-Kiss, February 2011)

A full text transcript of the video is available below.

Text Transcript

(In this video Dr. Rachael Morgan-Kiss, Assistant Professor of Microbiology, talks about the importance of studying organisms in extreme environments. She was awarded a NSF CAREER grant in 2011. Read the December 2011 "Team Protist" and the May 2012 "Conducting Science in Extreme Environments" press releases. Read Dr. Morgan-Kiss' Antarctic blog: created for students back in Ohio. View Algae: In search of greener fuels, a You-Tube video created for a class project [JRN 350] by Doris Fernandes del Pozo in Fall 2010. Dr. Morgan-Kiss talks about the benefits of undergraduate research on a video on the CAS Advising website.)

"We have the opportunity to go to Antarctica about every 2-3 years, and we do this to work in a special type of environment, which is actually on the continent of Antarctica, in a place called the McMurdo Dry Valleys. And these dry valleys are really unique because they are one of the coldest, driest environments in the world, and we specifically study microbial communities that live in these lakes in the dry valleys.

"And these lakes are really unique in that they are the only source of liquid water for life on the Antarctic continent and, specifically, we actually study the photosynthetic organisms that reside in the lakes. They are also called microalgae. And we go to Antarctica both to collect new specimens of microalgae and isolate these organisms so we can study them back in our labs at Miami University. And we also go there to study how the organisms are actually adapted to their natural environment. So, you really have to go to these extreme environments to do these kinds of studies — like trying to understand what they're doing in their natural environments.

"Our research goals this year were to cultivate new organisms from the lakes, because there are actually very, very few microbes in cultivation from these lakes. This is actually a problem with microorganisms in general all over the entire world. It's thought that less than one percent of all microorganisms are currently available to study in laboratories, and this problem is even greater in extreme, pristine environments like the dry valley lakes."

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