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MDTP Annual Newsletter 2026
Connecting MDTP Students, Faculty, and Alumni

Message from Incoming MDTP Director Andy Mehle

This fall will mark 15 years that I have been running a research lab at UW Madison. It will also be the first year in which I'll serve as the Director of MDTP. Milestones like this are conducive to a little backward-looking reflection. Friends and colleagues often ask why I started my lab at UW Madison. The simple answer is that Madison offered us a job, so we took it. My wife and I were on the academic job market just as universities were crawling out of the 2008 financial crisis. It was a challenging time and we were thrilled to land a job at a top-ranked university. But of course, there was a lot behind this simple answer that made it clear UW Madison would be the place for us. A major driver in our decision was the people — mentors who believed in our success, colleagues who generously shared ideas, and amazing trainees —  all of whom created a vibrant research environment. For me and my research focus, all of this was clearly seen in MDTP. 

As the semester approaches, I can shift my gaze forward. Two years as Vice-Director allowed me to learn from Trina and Terra how to direct the program in a way that foregrounds graduate training and career development. This will be a touchstone for me as the program director. The program is particularly attuned to difficulties faced by students and faculty due to current economic and political conditions. We recognize that these headwinds create additional challenges and uncertainty for graduate education and the research enterprise at large. Against this backdrop, we continually move forward to improve the program. A current focus area is the preliminary exam. This year MDTP implemented a new exam format. The content and expectations are unchanged; the thesis committee still probes the student’s knowledge. But, the exam itself is now overseen by a facilitator who guides the process and ensures uniformity across the program. Once prelim season winds down, we will review the changes, seek feedback, and implement improvements as needed. 

15 years after I arrived in Madison, MDTP remains one of the best microbiology graduate programs in the nation. A key strength is the high-caliber research across all aspects of microbiology and immunology, only possible from the joint efforts of trainers inside and outside the core departments. MDTP is still a major reason new students and faculty end up at UW Madison much like I did. I look forward to working with the community over the next two years to maintain and strengthen our program. 

MDTP Senior Student Spotlight
Elena Rehborg, Zamanian Lab
Elena is a fifth year student in Mostafa Zamanian's lab and is studying parasitic worm receptor pharmacology! She is specifically investigating a class of cell membrane receptors called G protein-coupled receptors and their potential as anti-parasitic targets and their participation in how parasitic worms understand their environment. Her pharmacology focused projects have resulted in a desire to continue investigating receptor pharmacology and cell signaling. For her next step, Elena is excited to start pursuing post-doctoral research opportunities abroad as she prepares to graduate in the spring of 2027. Read more here.


Alex Dobrila, Hryckowian Lab
Alex is a fifth year MDTP student in Dr. Andrew Hryckowian’s lab studying the short chain fatty acid, butyrate, which is produced by the fermentation of dietary fiber by gut microbes, and its effects on Clostridioides difficile virulence. His thesis work seeks to understand the genetic mechanisms through which C. difficile modulates its toxin release and sporulation in response to this gut metabolite. Alex is passionate about the gut microbiome and hopes to leverage his experience in future career opportunities in industry with an upcoming graduation in the Summer of 2027. Keep an eye out for Alex as he enters the job market! Read more here .

Sely Pena-Rivera, Hershey Lab
Sely, who was born and raised in Puerto Rico, is a rising 5th year in David Hershey’s lab. Her research focuses on developing a tool that can optimize and move complete bacterial biosynthetic pathways. Her sophisticated system is based on serine recombinases that mediate integration and expression of exogenous DNA cargoes into Alphaproteobacterial genomes. Sely is expected to complete her PhD in the Summer of 2028, and she is currently looking for potential postdoc positions (bonus points if it is in the Research Triangle). Read more here.


Heather Emery, Rey Lab
Heather is a fifth year student in the Rey lab studying the anaerobic metabolism of purines as carbon and energy sources by gut bacteria. Specifically, she is investigating the regulation of anaerobic purine metabolism through both a genetic and an environmental lens. Heather is passionate about mentoring and hopes to continue on in academia for her next steps, where she can pursue a balance of teaching and continuing her work studying bacterial interactions with host-derived metabolites. Outside of the lab, you can find her birding, going to concerts, or hanging out with her two cats!  Read more here.


Do you know anyone thinking about grad school?  Connect them with our prospective student resources here.
Check out the MDTP news page for the latest awards, recognitions, and accomplishments of our community.

Presenting Research Abroad with WiSH Travel Funding
By MDTP Student Ebru Guver, Sperandio Lab

This summer, I had the opportunity to attend the International Symposium VTEC 2026 at the University of Aberdeen in Scotland, where I presented my PhD research through both a flash talk and a poster presentation. The meeting brought together researchers from around the world studying enteric pathogens, providing an excellent opportunity to discuss my work, receive valuable feedback from experts in the field, and build new scientific connections. Beyond the scientific sessions, I especially appreciated the welcoming and collaborative atmosphere of the conference and the many networking events. One highlight was the Civic Reception hosted by the Lord Provost of Aberdeen, where scientists from diverse backgrounds came together to celebrate the importance of scientific discoveries and engage in thoughtful discussions about the impact of past, present, and future research.

Attending this conference was made possible through travel support from multiple sources. I was fortunate to receive a WiSH UW Student Research Grant through the Graduate School's Student Research Grants Competition (SRGC), which supports graduate students presenting their research at scientific conferences, as well as an International Travel Award from the VTEC 2026 conference organizers. I encourage other MDTP students to explore these funding opportunities when planning conference travel. Presenting my research at an international meeting broadened my scientific perspective, strengthened my professional network, and gave me the opportunity to represent both my research and the MDTP program on a global stage.

Life Sciences Career Day 2027!
In conjunction with a number of biomedical programs on campus, we have begun planning for Life Sciences Career Day 2027 - it will be on April 17, 2027, so mark your calendars.  Alumni - if your organization is looking to hire, this is a great opportunity to find some top-notch talent!  We are seeking sponsors, so please contact lifesciencescareerday@mailplus.wisc.edu if you are interested!

MDTP Alumni Spotlight
Dr. Gloria Larson Darrah earned her PhD in 2019 in Dr. Andy Mehle’s lab. Her work involved characterizing human cellular proteins that regulate influenza virus replication. After graduating, she was an ORISE postdoctoral fellow at the Centers for Disease Control and Prevention where she played multiple roles in the COVID-19 Emergency Response efforts – as a laboratorian in the Strain Surveillance and Emerging Variant Team, a Science Update writer for the Office of the Chief Medical Officer, and a member of the Global Rapid Response Team. Upon completion of her fellowship, Gloria shifted away from the bench and joined Catalent in Madison, WI as a Senior Technical Writer. Her job involves writing protocols for biologics manufacturing, generating data visualizations, and leading and supporting continuous improvement projects. Read more here.
Dr. Erin Conley completed her PhD with Prof. Michael Thomas in May 2025. Her dissertation aimed to define the determinants of substrate selection in natural product biosynthesis, a multidisciplinary project that involved training in microbial genetics, enzymology, protein engineering, microbial physiology and protein structure-function analysis. With a desire to stay at the bench, following graduation she accepted an R&D position at Promega, working with the Protein Engineering and Endogenous Biology groups to engineer enzymes involved in CRISPR genome editing. She loves that she gets to think creatively about proteins every day, and gets to continue learning and collaborating with incredible scientists. When not at the bench, Erin can be found curating her vintage dress and record collections, gardening, and playing outside with her three young children. Read more here.

Microbiology Doctoral Training Program
 
 
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