The NIEHS Superfund Research Program (SRP) is hosting a Risk e-Learning webinar series emphasizing new approaches to elucidate mechanisms responsible for bioremediation. The series will feature innovative molecular, biochemical, cellular, and/or engineering tools to advance our understanding of the structural and functional properties of microorganisms or plants involved in the bioremediation of hazardous substances.

The first session will serve as an introduction to the series and will touch on opportunities to build linkages with other microbiome fields of study, such as the human microbiome.

SRP Director William A. Suk, Ph.D., will introduce the series, highlighting SRP grantees' contribution to innovation in bioremediation. The SRP funds multidisciplinary research to address the complex and evolving challenges associated with Superfund and related hazardous waste sites, including the development of new remediation technologies. Dr. Suk will provide an overview of the findings from past SRP bioremediation research, from basic discoveries to cost-saving field applications, and will introduce potential opportunities to expand the bioremediation toolbox.

James Tiedje, Ph.D., from the Michigan State University SRP Center, will discuss the past and future of microbiome science, which transcends habitats. The major questions, methods, and underlying biology of microbiome science are very similar, so much is transferable among studies in the soil, gut, ocean, and other systems. There are important differences in the details, but the details are not the starting point. In this talk, Tiedje will summarize what we have learned from the past in microbial ecology that helps us project the future and then will speculate on that future and how it may impact and likely facilitate SRP-relevant microbiome research.

Microbial communities mediate important transformations of environmental arsenic. These biotransformations dictate the bioavailability and toxicity of arsenic in environments ranging from soil to the human gut. Raina Maier, Ph.D., and Paul Carini, Ph.D., from the University of Arizona SRP Center, will discuss new integrative tools that combine plant transcriptomics, microbial meta(genomics), and high throughput microbial culturing to link key taxa to specific arsenic biotransformations important to both phytoremediation processes and human health.

Presenters:

William Suk, Ph.D., M.P.H., Superfund Research Program, National Institute of Environmental Health Sciences (suk@niehs.nih.gov or 984-287-3325)
William Suk, Ph.D., M.P.H., is director of both the Superfund Research Program (SRP) and the Hazardous Substances Research Branch in the NIEHS Division of Extramural Research and Training. Suk has served as director of the SRP, a program established by Congress as part of the reauthorization of Superfund in 1986, since its inception. The SRP fosters interdisciplinary research approaches to address the problems associated with potentially hazardous environmental exposures. His affiliation with a number of organizations and committees include: Roundtable on Environmental Health Sciences, Research, and Medicine, Institute of Medicine, National Academy of Sciences; International Advisory Board of the Chulabhorn Research Institute, Bangkok, Thailand; and World Health Organization Consultation on Scientific Principles and Methodologies for Assessing Health Risks in Children Associated with Chemical Exposures. He is also a member of a number of trans-NIH committees. He received his Ph.D. in microbiology from the George Washington University Medical School, and his master's in public health in health policy from School of Public Health at the University of North Carolina at Chapel Hill.

James M. Tiedje, Ph.D., Department of Plant Soil, and Microbial Sciences, Michigan State University (tiedjej@msu.edu or 517-353-9021 x1)
James M. Tiedje, Ph.D., is University Distinguished Professor of Microbiology and Molecular Genetics, and of Plant, Soil and Microbial Sciences, and is Director of the Center for Microbial Ecology at Michigan State University. His research focuses on microbial ecology, physiology and diversity, especially regarding the nitrogen cycle, biodegradation of environmental pollutants and use of molecular methods to understand microbial community structure and function. His group has discovered several microbes that biodegrade chlorinated pollutants and is using genomics to better understand microbial functions in their environment. He has served as Editor-in-Chief of Applied and Environmental Microbiology and Editor of Microbial and Molecular Biology Reviews. He has over 500 refereed publications including seven in Science and Nature. He shared the 1992 Finley Prize from UNESCO for research contributions in microbiology of international significance, is Fellow of the AAAS (The American Association for the Advancement of Science), the American Academy of Microbiology, and the Soil Science Society of America, and is a member of the U.S. National Academy of Sciences. He was President of the American Society for Microbiology and the International Society for Microbial Ecology. He received his B.S. degree from Iowa State University and his M.S. and Ph.D. degrees from Cornell University.

Raina Maier, Ph.D., University of Arizona (rmaier@ag.arizona.edu or 520-621-7231)
Raina Maier, Ph.D., is an environmental microbiologist in the Department of Environmental Science at the University of Arizona. Her research program focuses on understanding how we can exploit microbes and their activities and products to benefit human health and the environment. She is known for her work on the relationships between microbial diversity and ecosystem function in arid and semi-arid environments with a focus on mine tailings and desert soils. Dr. Maier serves as the Director of the University of Arizona NIEHS Superfund Research Center which seeks to understand the health impacts and advance innovative solutions for remediation of mine waste sites. Related to mining, her group's innovative work on establishing vegetative caps on mine waste is changing the way we think about and evaluate the revegetation process.

Paul Carini, Ph.D., Department of Environmental Science, University of Arizona (paulcarini@email.arizona.edu or 414-467-0998)
Paul Carini, Ph.D., is an assistant professor of soil/subsurface microbiology, soil, water, and environmental science at the University of Arizona. The Carini lab is focused on understanding how microbes help make Earth habitable for humans. This view leads us to diverse questions in both terrestrial and aquatic environments with the goal of understanding how microbial communities transform important nutrients, remove pollutants, affect soil fertility and influence aquatic productivity. By studying the growth of microbial cultures, their genome sequences and their environmental distributions, the research team designs experiments that help uncover new and unusual biogeochemical cycles and provide hypothesis-based explanations for long standing geochemical observations.

Moderators:

Heather F. Henry, Ph.D., Program Administrator, NIEHS Superfund Research Program (heather.henry@nih.gov)
Heather Henry, Ph.D., is a health science administrator for the NIEHS where she oversees Superfund Research Program (SRP) grants that spans human health toxicology, risk assessment, detection technologies and remediation approaches. She provides guidance to potential applicants for SRP’s Multiproject Center Grants (P42s), Individual Research Grants (R01s), Small
Business / Technology Transfer Grants (R41-44; SBIR/STTR), and Conference Grants (R13). Heather studied plant-based environmental remediation
(phytoremediation) and ecological restoration as part of her doctoral work at the University of Cincinnati and as a Fulbright Postdoctoral Fellow at the University of Melbourne and University of Adelaide in Australia. She has been with NIEHS since 2006.

Jean Balent, U.S. EPA Technology Innovation and Field Services Division (balent.jean@epa.gov or 202-566-0832)
Ms Balent is on the staff of the EPA's Technology Innovation and Field Services Division where she has worked to collect and disseminate hazardous waste remediation and characterization information since 2003. Ms Balent manages the Clean Up Information Network website and actively supports online communication and collaboration resources available to EPA. She formerly worked with the US Army Corps of Engineers Environmental Engineering Division in the Buffalo District. Ms Balent was also a member of the SUNY-Buffalo Groundwater Research Group where she constructed and tested large scale models of groundwater flow. Ms Balent has also conducted research relating to the Great Lakes, environmental remediation, and brownfields re-development. She holds a Bachelor's degree in environmental engineering from SUNY-Buffalo and a Master's degree in Information Technology from AIU.

Webinar Slides and References:

• Slide Presentation for William Suk, Ph.D., M.P.H., Superfund Research Program, National Institute of Environmental Health Sciences (8.02MB/PDF)
• Slide Presentation for James M. Tiedje, Ph.D., Department of Plant Soil, and Microbial Sciences, Michigan State University (5.25MB/PDF)
• Slide Presentation for Raina Maier, Ph.D. and Paul Carini, Ph.D., University of Arizona (8.84MB/PDF)

Webinar Slides and References:

• Slide Presentation for William Suk, Ph.D., M.P.H., Superfund Research Program, National Institute of Environmental Health Sciences (8.02MB/PDF)
• Slide Presentation for James M. Tiedje, Ph.D., Department of Plant Soil, and Microbial Sciences, Michigan State University (5.25MB/PDF)
• Slide Presentation for Raina Maier, Ph.D. and Paul Carini, Ph.D., University of Arizona (8.84MB/PDF)

Additional Resources:

• Current SRP-Funded Microbiome Research (91KB/3pp/PDF)
• The Microbial Genomes Atlas (MiGA) webserver: taxonomic and gene diversity analysis of Archaea and Bacteria at the whole genome level
• Phytoremediation Reduces Dust Emissions from Metal(loid)-Contaminated Mine Tailings
• Soil Microbiome Dynamics During Pyritic Mine Tailing Phytostabilization: Understanding Microbial Bioindicators of Soil Acidification
• Effect of Re-acidification on Buffalo Grass Rhizosphere and Bulk Microbial Communities During Phytostabilization of Metalliferous Mine Tailings

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Date of Seminar:

 September 30, 2019: Bioremediation - Expanding the Toolbox: Session I - The Microbiome

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