Liberal Arts and Sciences
Biological Physics
Led by Stephen Hagen · Physics
What we study
The lab studies how bacteria communicate using signals, focusing on how these networks work and how noise affects them. They use experiments and models to understand bacterial signaling and gene regulation.
What working here is like
- Wet lab
- Bacteria & microbes
- Coding helps
- Papers
- 5
Recent papers, explained
- Crosstalk enables mutual activation of coupled quorum sensing pathways through “jump-start” and “push-start” mechanisms
2023 · Scientific Reports
Explores how bacteria use multiple signals to activate each other in quorum sensing.
- Amyloid Aggregates Are Localized to the Nonadherent Detached Fraction of Aging Streptococcus mutans Biofilms
2022 · Microbiology Spectrum
Finds amyloid aggregates in aging S. mutans biofilms, reducing bacterial activity.
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- Spatial Correlations and Distribution of Competence Gene Expression in Biofilms of Streptococcus mutans
2021 · Frontiers in Microbiology
Uses microscopy to study spatial patterns of competence gene expression in S. mutans biofilms.
- Wavelike propagation of quorum activation through a spatially distributed bacterial population under natural regulation
2021 · Physical Biology
Demonstrates how quorum activation spreads as a wave in bacterial populations.
- Dimension-reduction simplifies the analysis of signal crosstalk in a bacterial quorum sensing pathway
2021 · Scientific Reports
Shows how signal crosstalk changes cell responses in V. fischeri bioluminescence.
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How to reach out
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