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Full-Text Articles in Biology

Comparison Of Thaumarchaeotal Populations From Four Deep Sea Basins., Stephen Techtmann, Nagissa Mahmoudi, Kendall T Whitt, Maria Fernanda Campa, Julian L Fortney, Dominique C Joyner, Terry C Hazen Nov 2017

Comparison Of Thaumarchaeotal Populations From Four Deep Sea Basins., Stephen Techtmann, Nagissa Mahmoudi, Kendall T Whitt, Maria Fernanda Campa, Julian L Fortney, Dominique C Joyner, Terry C Hazen

Michigan Tech Publications

The nitrogen cycle in the marine environment is strongly affected by ammonia-oxidizing Thaumarchaeota. In some marine settings, Thaumarchaeotes can comprise a large percentage of the prokaryotic population. To better understand the biogeographic patterns of Thaumarchaeotes, we sought to investigate differences in their abundance and phylogenetic diversity between geographically distinct basins. Samples were collected from four marine basins (The Caspian Sea, the Great Australian Bight, and the Central and Eastern Mediterranean). The concentration of bacterial and archaeal 16S rRNA genes and archaeal amoA genes were assessed using qPCR. Minimum entropy decomposition was used to elucidate the fine-scale diversity of Thaumarchaeotes. We …


Best Practices For Healthy Beaches And Watersheds In Maine: Potential Bioremediation Strategies For Improving Water Quality, Elyse Defranco Jan 2017

Best Practices For Healthy Beaches And Watersheds In Maine: Potential Bioremediation Strategies For Improving Water Quality, Elyse Defranco

Maine Sea Grant Publications

Maine’s watersheds face many challenges from human inputs, with pollution threatening the health of our beaches, rivers, and aquaculture operations. Maine’s rural communities often lack the resources to update aging sewer infrastructure or to adequately maintain septic systems, and these sources of pollution impact watershed health. In addition to addressing sources of pollution, which can be difficult to ascertain and challenging to address when located, bioremediation practices have the potential to aid in clean-up efforts. New technological advances and research discoveries in creative forms of bioremediation are being developed and are producing promising case studies around the world. These new …