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Medical Microbiology

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Western University

Microbiota

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Full-Text Articles in Medicine and Health Sciences

Inflammation In The Neovaginal Microenvironment Of Transfeminine Individuals, Hannah M.J. Wilcox Jun 2023

Inflammation In The Neovaginal Microenvironment Of Transfeminine Individuals, Hannah M.J. Wilcox

Electronic Thesis and Dissertation Repository

Transfeminine individuals are assigned male at birth but do not identify as male. Some transfeminine individuals may choose to undergo the gender affirming surgery vaginoplasty to create a neovagina. There is a paucity of data on the neovaginal microenvironment to inform best gynecological practices. Vaginal and penile inflammation is modulated by local microbiota, but drivers of inflammation in the neovagina are poorly understood. The compositions of the neovaginal microbiota and immune milieu were elucidated from neovaginal swabs, using 16s rRNA gene sequencing and multiplex immunoassay, respectively. Immune data reduction and clustering was performed, and six unique immune profile types (IPTs) …


The Development Of Bacterial Magnetic Resonance Imaging For Microbiota Analyses, Sarah C. Donnelly Sep 2020

The Development Of Bacterial Magnetic Resonance Imaging For Microbiota Analyses, Sarah C. Donnelly

Electronic Thesis and Dissertation Repository

Current microbial analyses to assess either the commensal microbiota or microorganism infection and disease typically require ex vivo techniques that risk contamination and are not undertaken in real time. The possibilities for employing imaging techniques in the microbiology field is becoming more prominent as studies expand on the use of positron emission tomography, ultrasound and numerous microscopy techniques. However, magnetic resonance imaging (MRI), a non-invasive in vivo modality that can produce real-time results is falling behind. Here, we examined the feasibility of detecting bacteria using clinical field strength MRI. Commensal, probiotic and uropathogenic Escherichia coli were scanned by 3 Tesla …