Undergraduate Journal of Experimental Microbiology and Immunology +

Current Issue

Vol. 12 (2026)
Published September 2, 2026

The Undergraduate Journal of Experimental Microbiology and Immunology (UJEMI) is dedicated to the publication of scientific articles authored by undergraduate students studying in fields related to microbiology and immunology. Founded in 2001, our suite of publications currently includes UJEMI, UJEMI+, UJEMI Methods, and UJEMI Perspectives. Please visit our organisational landing page for our entire publication suite at https://jemi.microbiology.ubc.ca.

Research Articles

Benjamin Lee, Ethan Sun, Vivian Fung, Ivory Zhang, Nelson Kung
Oral Vitamin D Supplementation Is Correlated with Gut Microbial Diversity, Abundance of Specific Taxa, and Predicted Functional Potential of Metabolic Pathways in Patients with Multiple Sclerosis
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Samantha Donato, Vanessa Ho, Annabel Lu, Virginia Xie, Izaak Yip
Core Microbiota and Differentially Abundant Taxa Vary with Swimming Performance, but Overall Microbial Communities and Functional Profiles Are Generally Consistent in Fish Hindguts
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Shafique Remtulla, Zohra Nikjo, Helen Azer, Aiden Liebrecht
Geographical Context Shapes the Relationship Between Body Mass Index and the Human Gut Microbiome
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Gina Zhang, Namya Sharma, Emily S. Y. Leong, Madison Gill, Chantelle Tran
The Gut Microbiome of Multiple Sclerosis Patients Shows Minimal Sex-Based Differences in Composition
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Vanesse Li, Esther Xu, Ray Lou, Sarah Lai, Katelyn Wang
Antidepressant Use Does Not Significantly Influence Gut Microbiome Composition, Diversity, and Predicted Function in Human Immunodeficiency Virus-Positive Individuals with Depression
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Owen Chan, Kevin Deng-Han, Sarah Hong, Florence Sanjaya, Elena Yu
Interleukin-6 Levels May Affect Taxonomic Composition of the Gut Microbiome in People Living with Human Immunodeficiency Virus
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Christina Xugao, Parsa Shafiekhani, Ryan Wong, Amitis Eskandari, Saray Fallahnafari
Sex Differences in the Gastric Mucosal Microbiome Across Gastric Carcinogenesis Are Stage-Specific and Most Pronounced at Intraepithelial Neoplasia
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Melanie Chan, Charvi Saboo, Beatrice Pang, Jennifer Wang
Breast Tumour Tissue Subtypes Are Associated with Distinct Microbiome Composition and Functional Profiles
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Pailin (Tom) Cui, Naomi Isak, Marcus Liang, Brianna Xu
The Vaginal and Rectal Microbiome Profiles of Chronic Pelvic Pain Patients Cannot Delineate Chronic Pelvic Pain With and Without Endometriosis
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Yanting Xiong, Carrie Sun, Cynthia Lin, Emily Ju, Coe McGrath
High Dietary Antioxidant Intake is Associated with Changes in Gut Microbiome Composition and Predicted Metabolic Pathways in Parkinson’s Disease, but these Alterations were Not Associated with Shifts in Cognitive Performance
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Jessica Wang, Amy Han, Ellie Darwish
Greater Gut Microbial Diversity and Several Reduced Taxonomic Group Abundances Are Associated with Higher Humoral Responsiveness to Single-dose Oral Typhoid Ty21a Vaccination
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Narjis Alhusseini, Mirren Buchanan, Sophia Carrasco Obregon, Quinlan Torstensen
The Nonessential BAM Complex Protein BamC Contributes to BrkA Secretion but Contributes Less to Membrane Stability than BamB and BamE
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Kéryanne Gagnon, Evelyn Mitchell, YunYun Wei, Hanna Wang, Ahnaf Kabir
Corticosteroids Alter the Compositional and Functional Diversity of the Gut Microbiota in Patients with Inflammatory Bowel Disease
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Kayla Audreyartha, Sophia Carrasco Obregon, Kaiya Yuxin Chi, Aimee Garcia Castro
Tobacco and E-cigarette Use Are Associated with Pathogenic Salivary Microbiota in China, but Not in the United States of America
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Marissa Gao, Nina Lobunchongsook, Paria Sokhanran, Kayla Wen, Charlotte Zhou
Iron Supplements with Distinct Absorption Efficiencies May Differentially Affect Infant Gut Microbiome
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Madison Gill, Emily S. Y. Leong, Gina Zhang, Annalise Wong
Exploring the Potential for Using the BrkA Autotransporter to Surface Express Functional Subtilisin E in Escherichia coli BL21 DE3
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Aiden Liebrecht, Helen Azer, Shafique Remtulla, Zohra Nikjo
Molecular Weight-based Concentration and Ni-NTA Enrichment Enhance Detection of OmpT-cleaved BrkA Passenger Domain in the Extracellular Milieu of Escherichia coli UT2300
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Nusrat Jahan, Samantha Burgan, Agam Patel, Whitni K. Redman
Combinatorial Biofilm-Releasing Agents with Colistin Reduces Staphylococcus aureus Biofilm Burden Below Clinical Threshold
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Caleb Arruda, Andreas Kirmaier, Kyle Ferris, Gabrielle Bailey, Trevor Callahan, Ajay Sharma
Co-culture of Chlorella vulgaris with Nitrogen-fixing Azotobacter chroococcum in Nitrogen-deplete Medium to Increase Algal Lipid Content
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Keryanne Gagnon, Chantelle Tran, Mikaela Yeap, Elena Yu
Surface Display of Lactobacillus plantarum Glutamate Decarboxylase on Escherichia coli for GABA Production
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Rui Xiang Yu, Houria Afshar Moghaddam, Kayla Audreyartha, Kaiya Yuxin Chi
Secretion of Acetyltransferase BltD Via the BrkA Autotransporter in Escherichia coli Strains UT5600 and UT2300
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