![](https://web.sas.upenn.edu/sanfrango-lab/files/2023/08/Proposed-ASBMB-submission-I-F-structure_-FIN_2-e1693509564378-1024x795.png)
Research
We study how bacteria make DNA-based memories of phage infections and how CRISPR adaptive immune systems signal an anti-phage response.
![](https://web.sas.upenn.edu/sanfrango-lab/files/2023/08/people.png)
Team
Meet our vibrant and rapidly growing group!
![](https://web.sas.upenn.edu/sanfrango-lab/files/2023/08/people2-1024x683.jpeg)
Join Us & Our Values
Find out how to join our lab and our core values.
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Papers & Patents
Learn more about our work.
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Lab Updates
Updates about new hires, papers, grants, e.t.c.
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In the News
Our work & people featured in the media.
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Contact Us
Learn about the lab or our research. Prospective recruits or collaborators, students, journalists, or educators – please reach out!