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Full-Text Articles in Medicine and Health Sciences
Effects Of Single Nucleotide Polymorphisms In The Human Holocarboxylase Synthetase Gene On Catalytic Activity, Shingo Esaki
Effects Of Single Nucleotide Polymorphisms In The Human Holocarboxylase Synthetase Gene On Catalytic Activity, Shingo Esaki
Department of Nutrition and Health Sciences: Dissertations, Theses, and Student Research
Holocarboxylase synthetase (HCS) catalyzes the covalent binding of biotin to carboxylases and histones in eukaryotic cells. Biotinylated carboxylases play essential roles in the metabolism of fatty acids, amino acids, and glucose; biotinylated histones play essential roles in gene regulation and genome stability. HCS null individuals are not viable whereas HCS deficiency is linked to developmental delays and phenotypes such as short life span and low stress resistance. Greater than 2,500 single nucleotide polymorphisms (SNPs) have been reported for HCS, but the biological importance of these polymorphisms is unknown. We hypothesized that some of these SNPs impair catalytic activity and that …
Receptor Specificity Of Subtype H1 Influenza A Viruses Isolated From Swine And Humans In The United States, Li-Mei Chen, Pierre Rivailler, Jaber Hossain, Paul Carney, Amanda Balish, Ijeoma Perry, C. Todd Davis, Rebecca Garten, Bo Shu, Xiyan Xu, Alexander Klimov, James C. Paulson, Nancy J. Cox, Sabrina L. Swenson, James Stevens, Amy Vincent, Marie Gramer, Ruben O. Donis
Receptor Specificity Of Subtype H1 Influenza A Viruses Isolated From Swine And Humans In The United States, Li-Mei Chen, Pierre Rivailler, Jaber Hossain, Paul Carney, Amanda Balish, Ijeoma Perry, C. Todd Davis, Rebecca Garten, Bo Shu, Xiyan Xu, Alexander Klimov, James C. Paulson, Nancy J. Cox, Sabrina L. Swenson, James Stevens, Amy Vincent, Marie Gramer, Ruben O. Donis
Public Health Resources
The evolution of classical swine influenza viruses receptor specificity preceding the emergence of the 2009 H1N1 pandemic virus was analyzed in glycan microarrays. Classical swine influenza viruses from the α, β, and γ antigenic clusters isolated between 1945 and 2009 revealed a binding profile very similar to that of 2009 pandemic H1N1 viruses, with selectivity for α2-6-linked sialosides and very limited binding to α2-3 sialosides. Despite considerable genetic divergence, the ‘human-like’ H1N1 viruses circulating in swine retained strong binding preference for α2-6 sialylated glycans. Interspecies transmission of H1N1 influenza viruses from swine to humans or …