The substrate is fetuin, a heavily sialidated protein from fetal bovine serum. Our assay is based on the detection of N-acetyl neuraminic acid (NANA, Neu5Ac) in a coupled enzyme reaction leading to the formation of a colored and fluorescent product. Influenza neuraminidase will cleave terminal NANA residues from fetuin.
Lida, M. et al (2019). A sialo-oligosaccharide-rich mucin-like molecule specifically detected in the submandibular glands of aged mice. Archives of oral biology, 97, 52-58. Assay: Neuraminidase in mouse salivary gland.
Itoh, Y et al (2015). Emergence of H7N9 Influenza A Virus Resistant to Neuraminidase Inhibitors in Nonhuman Primates. Antimicrob Agents Chemotherapy. 59(8):4962-73. Assay: Neuraminidase in macaque fluid samples.
Jihong L, et al (2014). The Sialidases of Clostridium perfringens Type D Strain CN3718 Differ in Their Properties and Sensitivities to Inhibitors. Appl Environ Microbiol. 80(5): 1701-1709. Assay: Neuraminidase in Clostridium perfringens cells.
Subathra, M et al (2014). Evaluation of antibody response in mice against avian influenza A (H5N1) strain neuraminidase expressed in yeast Pichia pastoris. J Biosci. 39(3):443-51. Assay: Neuraminidase in Pichia pastoris cells.
Subathra, M et al (2014). Evaluation of antibody response in mice against avian influenza A (H5N1) strain neuraminidase expressed in yeast Pichia pastoris. Journal of Biosciences: 1-9. Assay: Neuraminidase in yeast purified Lysate.
Li, J., et al. (2013) CodY is a global regulator of virulence-associated properties for. Clostridium perfringens: 00770-13. Assay: Neuraminidase in C. perfringens cells.
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