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Fall 2014
Carbohydrate–protein interactions play key roles in a range of biological processes. Noticeable advancements have been made in understanding the features associated with the recognition of pyranosides (six-membered ring sugars) by proteins. In contrast, similar detailed studies about the...
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Fall 2012
Mammalian glycoconjugates are composed exclusively of sugar in the thermodynamically favorable pyranose ring form; on the other hand, sugars in the five-membered furanose ring form are widespread in many bacteria, fungi, and protozoan pathogens. This makes the enzymes involved in furanoside...
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Fall 2017
Glycans play essential roles in the life cycle of bacteria and often modulate interactions with their environment. Chemical synthesis provides a useful tool to access structurally well-defined bacterial glycans. These molecules can serve as probes for elucidating the biological function of these...
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Synthesis of fragments of a polysaccharide from Nocardia nova for structural and biological studies
DownloadSpring 2020
Nocardia are gram-positive bacteria. Nocardia nova is one of the Nocardia species and can cause serious disease, particularly in immunocompromised patients. Rapid diagnosis of N. nova can be lifesaving. The cell wall of N. nova contains an unusual glucose-modified arabinogalactan polysaccharide...
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Synthesis of Furanose Sugar Nucleotides from Mycobacterium tuberculosis and Campylobacter jejuni
DownloadSpring 2014
Five-membered ring furanose sugars, though absent in mammals, have been found in the cell walls of pathogenic bacteria such as Mycobacterium tuberculosis and Campylobacter jejuni. Because these sugars are only found in microorganisms, it has been proposed that inhibiting the enzymes these...
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Synthesis of Lipopolysaccharide O-antigens from Klebsiella pneumoniae Serotype O2a as Molecular Probes for Biosynthetic Studies
DownloadFall 2018
Many Gram-negative bacteria are pathogenic organisms that can cause disease and death. As antibiotic resistance and nosocomial disease occurrences both increase, these infections are becoming more problematic. These issues can be partially attributed to lipopolysaccharide (LPS), which is a major...
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Spring 2014
Fluorous phase chemistry is an emerging field in terms of new separation techniques. A highly fluorinated compound tends to dissolve in a fluorinated solvent rather than in a common organic solvent. Fluorophilic solid phase separation (F-SPE) techniques are also well established. Our goal is to...