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Life Sciences Commons

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Biology

Augustana College

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Biology

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Articles 1 - 2 of 2

Full-Text Articles in Life Sciences

Do Stands Of Native Trees Harbor Different Invasive Species Than Stands Of Planted Pine?, Carly Mccameron, John Mccarthy, Dr. Kevin Geedey May 2019

Do Stands Of Native Trees Harbor Different Invasive Species Than Stands Of Planted Pine?, Carly Mccameron, John Mccarthy, Dr. Kevin Geedey

Celebration of Learning

The most outstanding invasive species that can be found at Augustana’s Green Wing Environmental Laboratory are honeysuckle, buckthorn, multiflora rose, garlic mustard, autumn olive, and oriental bittersweet. These plants are not only disrupting the ecosystem at Green Wing, but they are doing it all over the country. The result of their disruption is that they have taken over entire habitats and left natural species with no way to compete for survival. To study this we used the line-point method as well as other forms of data collection to compare a non-native pine tree habitat to an area dominated by native …


Effects Of Evolution On Laboratory Sublines Of Myxococcus Xanthus Dk1622, Mackenzie Ryan, Francesca Scribano, Kimberly Murphy Oct 2018

Effects Of Evolution On Laboratory Sublines Of Myxococcus Xanthus Dk1622, Mackenzie Ryan, Francesca Scribano, Kimberly Murphy

Celebration of Learning

Microbes have served as effective models for studying evolution because of their ability to be easily replicated, stored, and manipulated. Myxococcus xanthus is a soil bacterium that has served as a model organism in many laboratories. The unique social and motile behaviors exhibited by this bacterium make it ideal for phenotypic assays. A wild-type strain of M. xanthus, DK1622, has been distributed to laboratories across the United States and therefore we now have DK1622 sublines. The genomes of a number of these sublines have been sequenced and their social and motile phenotypes have been analyzed. When nine of these sublines …