Welcome to the official X page of the Interdepartmental Microbiology Graduate Program at Iowa State University!

Iowa State University, Ames IA
Joined August 2015
We are thrilled to congratulate Faith Rahic-Seggerman on a successful PhD defense 🎉 Wishing you all the best as you begin this exciting next chapter, we can't wait to see all that you accomplish.
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The GERMS lab, headed by Prof. Adina Howe, presented at the ASM Microbe in Washington, D.C.! Clarisse presented a poster highlighting their research and Dr. Howe participated in the annual convention as an ASM mSystems senior editor and collaborator. youtube.com/watch?v=kBu7Gf10…
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Michelle Chamberlain and members of the Swanner lab recently presented at AbSciCon in Madison, Wisconsin. Michelle gave a talk about the interplay between phosphorus cycling and Cyanobacteria activity in a ferruginous lake!
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Dr. Mellata’s Lab recently shared their research at the Midwest Microbiome Symposium hosted at the University of Illinois Urbana-Champaign. Dr. Mellata gave the keynote talk and Caleb Skow presented a poster! publish.illinois.edu/microbi…
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Olmedo-Velarde Lab students Carter Casey and Kota Nakasato represented ISU at the WERA-20 annual meeting, Management of Diseases Caused by Systemic Pathogens in Temperate and Sub-Tropical Fruit Crops and Woody Ornamentals, held at Maui Community College! nimss.org/projects/view/mrp/…
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Dr. Melha Mellata, Associate Professor of Molecular Microbiology, and her graduate student, Caleb Skow, hosted a microbiology outreach event to connect the classroom with real-world agriculture and food safety! @Mellata_Lab ppem.iastate.edu/news/2026/b…
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Students from the IM program participated in the 4th Annual Interdisciplinary Biological Sciences Symposium (IBSS 2026). At this year’s event, Tyler Simpkins and Nayrmaliz Marrero presented posters highlighting their research!
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We had a fantastic time at this year’s spring retreat! A huge thank you to everyone who presented their work and contributed to such engaging discussions, as well as to all who attended and helped create a supportive and energizing environment. #SpringRetreat #Microbiology
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Please join us in celebrating Marissa Roghair Stroud on the successful defense of her doctoral dissertation🥳 We are excited to see what’s next for Marissa as she starts her journey as an official Ph.D. #GraduateSchool #PhDDefense #AcademicExcellence #Research #HigherEd
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Have you ever wondered what concentration of molybdenum (Mo) limits nitrogen fixation? Zak Stevenson studied Deming Lake, where Mo was barely detectable, yet, nitrogen fixation was not Mo-limited. Learn more about this cool study from the link below: nature.com/articles/s43247-0…
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Students from the Interdepartmental Microbiology graduate program recently attended the 13th biannual All Iowa Virology Symposium! Carter Casey, Tyler Simpkins, and Kota Nakasato presented their research. iowavirology.cvm.iastate.edu
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Dr. Gwyn A. Beattie’s Lab published three 2025 papers shedding new insights on soil microbiome strategies for environmental benefits and bacteria linked to cucurbit yellow vine disease! Check them out below: doi.org/10.1128/msystems.011… doi.org/10.1094/phyto-10-24-… doi.org/10.1094/PHYTO-05-25-…
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Congratulations to Puja Bajracharya, a PhD student in Dr. Weaver’s lab, for receiving three competitive Ecology, Evolution, and Organismal Biology (EEOB) scholarship awards: the Harry and Audrey Finch Scholarship, the Lois H. Tiffany Scholarship, and the Gilman Scholarship Award!
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Congratulations to Binayak Raj Pandey, a third-year Microbiology PhD student in Dr. Xiang’s lab, for being awarded the American Association of Textile Chemists and Colorists (AATCC) Foundation Student Research Support Grant for 2025! 🥳🎊🎉
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Mellata’s team recently published an article titled "Host Genetics Regulate Bacterial Plasmid Conjugation Differentially in Avian Ceca Explant Co-Culture Through Secretory miRNA". Caleb Skow and Logan Ott are the co-first authors of this publication! nature.com/articles/s44259-0…
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Congratulations to Dr. Dylan Schultz, who defended his dissertation last Friday, November 21st! 🥳
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Members of MGSO had the opportunity to host a session at the Go Further STEM Conference! Participants were introduced to microbiology and even created their own Winogradsky columns. It was inspiring to meet so many future scientists and engineers! 🦠
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