Vol. 31 (2026): Undergraduate Journal of Experimental Microbiology and Immunology (UJEMI)

Vol. 31 (2026)

Published August 25, 2026
https://doi.org/10.14288/ujemi.v31
Undergraduate Journal of Experimental Microbiology and Immunology (UJEMI)

Research Article

Eric Ai, Lila Bullock, Leticia Maradini, Anson Mo, Kira Wong
Microgravity-Induced Taxonomic Shifts Enable Robust Random Forest Prediction of Microgravity Exposure in Mice
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Nitya Goel, Michael Cen, Juliana Chen, Jimmy Cheng, Pin-Ying Ho
Probiotic Use Does Not Correlate with Overall Gut Microbiome Composition Across Medication Administration Routes in Multiple Sclerosis but Is Correlated with An Increased Abundance of Specific Anti-Inflammatory Taxa in Oral Medication Users
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Nari Kim, Alice Li, Ali Manochehri, Benjamin Wong
Alcohol Consumption and Cancer Status Do Not Shape Distinct Oral Microbial Communities Among Current Smokers
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Aidan Chance, Jacqueline Chan, Tiffany Huang, Bianca Hufana, Rajbir Sidhu
Iron Supplementation Does Not Significantly Alter Gut Microbiome Diversity or Function in 12-Month Old Anemic Infants, But Is Associated With Increased Hemoglobin and Ferritin Levels
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Andy Wang, Claudia Chen, Harinderjit Ghuman, Jairoop Hundal, Saman Rostami
Intestinal and Diffuse Gastric Cancer Subtypes Exhibit Distinct Microbiome Profiles with Helicobacter Enriched in Male Diffuse Tumours
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Howard Chen, Ryan Chen, Alex Elbaz, David Medvedev, Soroush Torfehnejad
Influenza A Hemagglutinin and Neuraminidase Phylogenetic Groups Are Associated with Minimal Effects on the Cloacal Microbiome of Infected Wild Mallard Ducks
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Eknoor Toor, Toma Vilcu, Judy Kim, Philip Chen
Gut Microbiome and Blood Metabolic Biomarkers Are Not Strong Predictors of Opioid Use Disorder
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Denali Gordon, Jeremy Siu, Riko Murata, Kyle Yeung, James Nam
Low Dietary Vitamin C Intake Is Associated with Pro-Inflammatory Taxa and Oxidative Stress Related Functional Pathways in Parkinson’s Disease with No Correlation to Age of Onset
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Thomas Hesselbo, Jason Jonathan, Luna Kurokawa, Nicholas Kwok
Sex-specific Differences in Oral Microbiome Composition and Predicted Functional Pathways Emerge at High Degrees of COVID-19 Severity
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Tiffany Xie, Cole Harrison, Rachel Liu, Ivana Djaja, Selina Cai
Abiotic Soil Conditions Are the Driving Predictors of Organic Matter Removal in British Columbia Forests
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Sophie Chuang, Artemis Melville-Bowser, Veronika Bumbulovic, Leyi Chen
Hypertension and Depression Comorbidities Are Associated with Altered Gut Microbial Evenness and Taxa Abundance in Individuals Aged 60 and Older
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Laura Tomkowicz, Mia Middlekauff, Natalie Tam, Ramayani Papneja, Yesol Hong
High-LET Radiation Disrupts Gut Microbiome Function in a Dose-Dependent Manner with Unaided Recovery Limited to Low Dose Exposure
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Zehua Bu, Ching-Ting Kuo, Rui Ni
Gut Microbiome Metabolic Pathways Diverge Between Fish Orders in Actinopterygians
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Ana Ralea, Yeonsoo Clara Joo, Theresa Xiao
Chronic Wasting Disease Pathology States in White-Tailed Deer Differentially Affect the Gut Microbiome in a Sex-Dependent Manner
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Petko Makedonski, Kevin Yoon Jeong, Qiancheng Yu, Marcelo Ferraz Reinaldo
Overall Gut Microbiome Community Composition Is Conserved Across Adult Multiple Sclerosis Onset Ages, with Modest Taxa-Level Differences
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Raavin Johal, Gerard Garcia, Amy Park, Emilia Vachon
Multiple Sclerosis Severity and Depression Contribute to Differences Fueled by Rare Taxa in the Gut Microbiome of Patients
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Xinrui Xiang Yu, Houria Afshar Moghaddam, Brooke MacLeod, Quinlan Torstensen
Fibre Intake and Exercise May Promote a Healthier Shift in the Gut Microbiome of Individuals with Cardiovascular Disease
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Sam Dang, Lorraine Au, Richard Cheng, Erica Hennings, Ruth Yau
Analysis of Representative Thermodesulfobacteriota Taxa in Wetland Sediments Reveals a Prevalence of Geobacteraceae in Low Conductivity Rather Than the Predicted Desulfobulbaceae Enrichment in High Conductivity
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Shirley Phan, Michelle Chow, Rena Liu, Emily Zhang
Fermented and Fresh Vegetable Consumption Results in Distinct Taxonomic Composition Shifts in the Gut Microbiome of Women
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Isabella Byrne, Sadaf Hamidi, Trinity Ma, Lily Ouyang, Angela Yang
Disease-Modifying Therapies in Progressive Multiple Sclerosis Show Limited Impact on the Gut Microbiome
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Naomi Small, Kaitlyn Liu, Yoshier Hu
Lactose Intolerance Had No Significant Effect on the Diversity, Composition, and Function of the Human Gut Microbiome in Patients with Multiple Sclerosis
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Maxine Cruz, Sina Hakimpour, Johnny Huang, Aryan Ighani, Cadan Mahan
Gastric Cancer and Parkinson’s Disease Drive Distinct Changes to the Microbiome
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Thea Do, Billy He, Brian Li
Alcohol Intake Does Not Have a Strong Impact on the Gut Microbiome's Diversity, Core Microbiome and Metabolic Function Compared to Inflammatory Bowel Disease
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Lucy Perkins, Griffin Mawson, Emma Stewart, Ashleigh Wood, Chloe Saar
Farm-living Exposure Is Associated with Minor Differences in Gut Microbiome Functional Potential but not With Taxonomic Composition and Diversity in Parkinson’s Disease Patients
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Mirren Buchanan, Gopika Makhija, Phoebe McNair-Luxon, Mia North, Madilyn Portas, Michaela Schweitzer
Catch Method Is a Primary, Confounding Factor in Fish Microbiome Composition Across Four Body Sites
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Narjis Alhusseini, Jaclyn Armstrong, Ella Buric , Matthew Chan, Mikaela Pirillo
Motor Impairment in Parkinson’s Disease Exhibits Sex-Specific Differences in Gut Microbiome Composition but Not Functionality
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Andy Wang, Harinderjit Ghuman, Jairoop Hundal, Saman Rostami
Evaluation of Soluble Ag43α as a Competitive Inhibitor: Evidence for Kinetic Delay and Structural Reinforcement in Escherichia coli Biofilms
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Ada Jiang, Sophie Chuang, Veronika Bumbulovic, Matthew Chan
Cutting Glutamate Decarboxylase Loose: Autotransporter-Based Secretion to Improve GABA Yield
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Moe Jalaeian, Johnny Huang, Sina Hakimpour, Marcus Liang
Engineering Surface Display of E3 Nanobody Using the BrkA Autotransporter in Escherichia coli
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Rachel Liu, Hanna Wang, Marissa Gao, Eric Ai
Utilizing the BrkA Autotransporter System for Heavy Metal-binding with Surface Display of 6xHis on Escherichia coli
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Lorraine Au, Richard Cheng, Ruth Yau, Khadija Zahid
Deletion of DsbA Does Not Improve Translocation of Cysteine-Rich Recombinant BrkA-EC10 in the BrkA Secretion Pathway
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Brooke MacLeod, Asmita Jain, Indra Yavuukhulan, Katie Le
Exploring the Therapeutic Potential for Subtilisin Carlsberg Surface Expression Using the BrkA Autotransporter System
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Selina Cai, Nari Kim, Alice Li, Benjamin Wong
Developing a Model for Antigen 43 Translocation Across Escherichia coli Inner and Outer Membranes
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Ana Ralea, Aimee Garcia Castro, Yeonsoo Clara Joo, Ahnaf Kabir
The BrkA Autochaperone Domain May Not Be Necessary for Promoting Correct Folding and Function of β-lactamase Enzyme
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Naomi Isak, Phoebe McNair-Luxon, Lily Ouyang, Madilyn Portas, Michaela Schweitzer
Developing a Model to Investigate Escherichia coli Autoaggregation Inhibition by Distinct Phylogenetic Variants of Antigen 43
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Angela Yang, Isabella Byrne, Sadaf A. Hamidi, Trinity Ma
Utilizing the BrkA Autotransporter System to Surface Express LinB on Escherichia coli UT5600 for β-hexachlorocyclohexane Bioremediation
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Paria Sokhanran, Kayla Wen, Tom Cui, Michelle Ho
Evaluating the Potential of BrkA Autotransporter to Co-Display a Functional LipA/LipB Heterodimeric Enzyme in Escherichia coli UT5600
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Shirley Phan, Rena Liu, Michelle Chow, Emily Zhang
BrkA Autotransporter Mediates Surface Display but Inefficient Extracellular Release of LinB in Escherichia coli
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Qiancheng Yu, Petko Makedonski, Marcelo Ferraz Reinaldo, Kevin Yoon Jeong
Assessing BrkA-E3 Surface Conformation Using Trypsin Sensitivity Assays
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Ella Buric, Simran Dhesi, Mikaela Pirillo, Natalie Violet Viegas
Expression of Autotransporter BrkA Fails to Activate CpxAR Envelope Stress Response and Confer Heat Tolerance in Escherichia coli
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Logan Duff, Kelly Lim, Cadan Mahan, Toma Vilcu
Engineering of a Chimeric Hbp-BrkA Autotransporter for Surface Display in Escherichia coli
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Namya Sharma, Jennifer Wang, Beatrice Pang
Engineering the BrkA Autotransporter System to Surface Display an Anti-HER2 Nanobody in Escherichia coli
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Sam Dang, Aryan Ighani, Joshua Tan
DegP Knockout in the JW0157 E. coli Strain Reveals No Improvement of Cysteine-Rich Recombinant BrkA-EC10 Surface Expression
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