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Full-Text Articles in Molecular Biology

Characterizing The Human Vaginal Microbiome Using High-Throughput Sequencing, Jean Megan E. Macklaim Dec 2013

Characterizing The Human Vaginal Microbiome Using High-Throughput Sequencing, Jean Megan E. Macklaim

Electronic Thesis and Dissertation Repository

The human vaginal microbiome undoubtedly has a significant role in reproductive health and for protection from infectious organisms. Recent efforts to characterize the bacterial species of the vagina using molecular techniques have uncovered an unexpected diversity. Using high-throughput sequencing I sought to describe the structure and function of the vaginal microbiome under different physiological states including healthy, bacterial vaginosis (BV), post-menopausal vaginal atrophy, and acute vulvovaginal candidiasis (VVC).

Partial 16S rRNA gene sequencing revealed that healthy, asymptomatic women most often have vaginal biotas dominated by Lactobacillus iners or L. crispatus. In contrast, BV is a heterogeneous, highly diversified condition with ...


Functional Genomic Investigation Of Aromatic Aminotransferases Involved In Ephedrine Alkaloid Biosynthesis In Ephedra Sinica (Stapf), Korey G. Kilpatrick Dec 2012

Functional Genomic Investigation Of Aromatic Aminotransferases Involved In Ephedrine Alkaloid Biosynthesis In Ephedra Sinica (Stapf), Korey G. Kilpatrick

Electronic Thesis and Dissertation Repository

Ephedra sinica (Ephedraceae) is a broom-like shrub cultivated in arid regions of China, Korea and Japan. This medicinal plant accumulates large amounts of the ephedrine alkaloids, including (S)-cathinone, (1R,2S)-norephedrine, (1R,2S)-ephedrine and (1S,2S)-pseudoephedrine in its aerial tissues. These analogues of amphetamine mimic adrenaline and stimulate the sympathetic nervous system. While much is known about their pharmacological properties, the biological mechanisms by which they are synthesized remains largely unknown. A functional genomics platform was established in order to investigate alkaloid biosynthesis. RNA was extracted from Ephedra sinica stems and ...