PeerJ Author 135 Points Contributions by role Author 135 Contributions by subject area Aquaculture, Fisheries and Fish Science Ecosystem Science Marine Biology Microbiology Molecular Biology Ellen Black PeerJ Author Summary Bioengineering Microbiology Past or current institution affiliations University of Iowa Work details Graduate research assistant University of Iowa August 2014 Civil and environmental engineering PeerJ Contributions Articles 1 July 12, 2017 Effect of freshwater mussels on the vertical distribution of anaerobic ammonia oxidizers and other nitrogen-transforming microorganisms in upper Mississippi river sediment Ellen M. Black, Michael S. Chimenti, Craig L. Just https://doi.org/10.7717/peerj.3536 PubMed 28717594