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Professor Ahlgren is a marine microbial ecologist. He is interested in understanding how environmental factors and interactions between microbes and viruses shape the evolution, diversity, and structure of microbial communities. Marine microbial communities are extremely diverse and control globally important cycles in the flow of nutrients and carbon on our planet. A fundamental component to understanding their importance to our planet is knowing what factors control and maintain the diversity and structure of these communities. Professor Ahlgren uses traditional culture isolation and laboratory studies along with cutting-edge DNA sequencing and bioinformatics approaches to elucidate key abiotic and biotic microbial interactions, including the impact of viruses on microbial communities. As such, his work addresses a variety of topics such as biogeographic patterns of microbial populations, models of microbial speciation, virus-host interactions, and the development computational tools for studying virus-host interactions.
Degrees
- Ph.D. in Biological Oceanography, University of Washington, 2008
- M.S. in Biological Oceanography, University of Washington, 2004
- B.S. in Biology, Massachusetts Institute of Technology, 1999
Affiliated Department(s)
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Scholarly and Creative Works
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New tRNA-targeting transposons that hijack phage and vesicles
Published in Trends in genetics : TIG
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2023
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Published in Viruses
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2023
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Vol. 15
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Issue #2
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Multiple measures of structural racism as predictors of US county-level COVID-19 cases and deaths
Published in Ethnic and Racial Studies
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2022
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Vol. 46
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Issue #5
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County-level societal predictors of COVID-19 cases and deaths changed through time in the United States: A longitudinal ecological study
Published in PLOS global public health
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2022
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Vol. 2
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Issue #11
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Genome Sequence of the Estuarine sp. Strain NB0720_010
Published in Microbiology resource announcements
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2022
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Vol. 11
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Issue #8
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Genome Sequence of Estuarine Synechococcus sp. NB0720_010
Published in Microbiology Resource Announcements
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2022
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Multiple Measures of Structural Racism as Predictors of County-Level COVID-19 Cases and Deaths Across Counties in the United States
Published in Ethnic and Racial Studies
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2022
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Multiple Measures of Structural Racism as Predictors of County-Level COVID-19 Cases and Deaths Across Counties in the United States
Presidential Inauguration
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Presidential Inauguration
April
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2022
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Kettle and Non-kettle Ponds Harbor Distinct Microbial Communities Reflecting Their Underlying Physiochemical Differences
Joint Aquatic Sciences Meeting 2022
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Grand Rapids, Michigan
May
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2022
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Genome Sequence of Estuarine Synechococcus sp. NB0720_010
Published in Microbiology Resource Announcements
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2022
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Genomic mosaicism underlies the adaptation of marine Synechococcus ecotypes to several, distinct oceanic iron niches
ProSynFest2020
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Cordoba, Spain
March
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2022
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Published in Limnology and Oceanography
January
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2021
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The Effect of Residential Segregation on Rates of COVID-19 Cases and Deaths Across Counties in the United States
Published in Journal of Racial and Ethnic Health Disparities
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2021
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United States County-Level Data Reveal Apparent Disparities in COVID-19 Burden Among Asian Subgroups
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2021
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A network-based integrated framework for predicting virus-host interactions
Published in NAR Genomics and Bioinformatics
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2020
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Genome sequence of Synechococcus sp. MIT S9220 and co-cultured cyanophage SynMITS9220M01
Published in Microbial Genome Resources
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2020
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Identifying viruses from metagenomic data using deep learning
Published in Quantitative Biology
January
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2020
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Genomic mosaicism underlies the adaptation of marine Synechococcus ecotypes to distinct oceanic iron niches
Published in Environmental Microbiology
December
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2020
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Long-term stability and Red Queen-like strain dynamics in marine viruses
Published in Nature Microbiology
February
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2020
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Vol. 5
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Issue #2
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Comparing chemical properties and microbial communities across Walden and Cape Cod kettle ponds
Cape Cod National Seashore's Atlantic Research Learning Center (ARLC) 2019 Science Symposium
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Eastham, Massachusetts
September
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2019
Sponsored by Cape Cod National Seashore National Park
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Multi-year dynamics of fine-scale marine cyanobacterial populations are more strongly explained by phage interactions than abiotic, bottom-up factors
Published in Environmental microbiology
August
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2019
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Vol. 21
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Issue #8
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Sympatric North American acorn-nesting ant species possess distinct gut microbiomes
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Cyanophage Dynamics at the San Pedro Ocean Time Series: Generalists, Specialists, and One-shot-wonders
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Awards & Grants
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Collaborative research: Characterization of Synechococcus-cyanophage interactions across phylogenetic and temporal scales
NSF
Sep. 1, 2020 - Aug. 31, 2023
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Using the study of urban impacts on water quality, frogs,and microbial communitiesin Worcester waterways to integrate student research, classroom learning, and local STEM outreach
Clark University
Feb. 1, 2022 - Jan. 1, 2023
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How does urbanization, including urban gardens, impact ant microbial diversity?
Clark University, Faculty Development grant
Mar. 3, 2020 - Mar. 2, 2021
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Hodgkins Junior Faculty Award
Clark University
2021
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