Molecular Microbiology Admissions
The Molecular Microbiology (MMB) PhD program at Tufts University Graduate School of Biomedical Sciences (GSBS) trains future leaders in microbiological research. We welcome applicants with a strong academic foundation, curiosity-driven mindset, and a passion for advancing science through discovery and collaboration.
How to Apply
All applications to the Molecular Microbiology PhD program are submitted through the Tufts GSBS Application Portal. Visit our Admissions Overview for detailed instructions, requirements, and deadlines.
Selection Criteria
We seek highly motivated individuals with:
- A strong interest in microbial genetics, host–pathogen interactions, or infectious disease biology
- Prior research experience (strongly preferred, but not required)
- Clear goals in academic research, teaching, biotechnology, or clinical microbiology
- Collegiality, communication skills, and commitment to collaborative science
Competitive applicants typically hold undergraduate degrees in biology or related fields and have prior training in genetics, biochemistry, cell biology, organic chemistry, physics, and calculus and have completed a basic course in microbiology.
Prospective applicants are evaluated based on prior grades, three letters of recommendation, and responses to the short essays that are part of the application. Acceptance is determined by the applicant’s prospects of success, as demonstrated by academic transcripts and references.
Application Components
- Academic transcripts
- Three letters of recommendation
- CV or résumé
- Responses to three short essays (see below)
Essay Prompts
- Academic Statement of Purpose (750 words max)
Describe your development as a scientist, research experience, long-term goals, and why this program at Tufts is the right fit for you. - Personal Statement (750 words max)
Help us understand who you are beyond your academics—your values, personality, and what you bring to the Tufts community. - More Information (Optional – 250 words max)
Tell us what inspired you to pursue science. Feel free to share experiences, identities, or perspectives that shaped your path.
Interview Process
Selected applicants will be invited to an in-person interview. Interviews include conversations with faculty and current students, and opportunities to explore the program’s collaborative environment.
Optional Specialized Training Tracks
The MMB program includes two NIH-supported training tracks:
- MERGE-ID (Medically-Oriented Research in Graduate Education) – Focuses on hypothesis-driven research in the prevention, treatment, and diagnosis of infectious diseases. Applicants must select MERGE-ID during the application process to be considered for this track.
- Molecular Genetics – Offers rigorous training in microbial molecular genetics and mechanisms of gene regulation.
Frequently Asked Questions
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No. Most applicants apply directly after completing a bachelor’s degree in biology or a related field.
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While not required, research experience is highly valued and strengthens your application.
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You must select MERGE-ID during the application process to be considered for that track. All other applicants are reviewed under the core program and Molecular Genetics track.
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