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HOME > OUTREACH [Teachers Experiencing the Antarctic] [Indian
Island School - Antarctica] [Long Island
HS Students]
In 2004, Laurie Connell worked with Amy Stoyles (7th and 8th grade science, Harllee Middle School, FL) and Barb Schultz (Biology teacher , Lakeside School, WA) to look at the community of life living in Dry Valley soils in order to determine the role yeast play in the ecosystem. The goals of the project include determining the abundance and distribution of yeast in the McMurdo Dry Valley ecosystem, investigating any correlation between yeast abundance and soil chemistry, characterizing the sterols synthesized by indigenous species, and comparing the DNA of Antarctic yeast populations with similar species found world wide. We will also be studying the ability of yeast populations to utilize and store phosphorous and survive freeze-thaw cycles. In addition, we will be isolating DNA from soil to identify community cohorts and comparing the growth of yeast in soils from sites where they are present and absent. The project involves sampling along grids at high, medium and low elevations across the Dry Valleys and bringing back the soil samples in order to culture the organisms.
View Amy Stoyles (pictured right) journal entries [READ MORE] Barb Schultz (at left) journal [READ MORE]
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AND PLACES © 2010, Laurie Connell - University of Maine
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