Chapter title |
Glyco-Engineering
|
---|---|
Chapter number | 12 |
Book title |
Glyco-Engineering
|
Published in |
Methods in molecular biology, January 2015
|
DOI | 10.1007/978-1-4939-2760-9_12 |
Pubmed ID | |
Book ISBNs |
978-1-4939-2759-3, 978-1-4939-2760-9
|
Authors |
Viswanathan, Karthik, Narang, Someet, Betenbaugh, Michael J, Karthik Viswanathan, Someet Narang, Michael J. Betenbaugh |
Abstract |
Insect cells lack the ability to synthesize the sialic acid donor molecule CMP-sialic acid or its precursor, sialic acid. In this chapter, we describe a method to engineer CMP-sialic acid synthesis capability into Spodoptera frugiperda (Sf9) cells, a prototypical insect cell line, by recombinant expression of sialic acid synthesis pathway genes using baculovirus technology. Co-expression of a sialuria mutant UDP-GlcNAc-2-epimerase/ManNAc kinase (EKR263L), wild-type sialic acid 9-phosphate synthase (SAS), and wild-type CMP-sialic acid synthetase (CSAS) in the presence of GlcNAc leads to synthesis of CMP-sialic acids synthesis to support sialylation of N-glycans on glycoproteins. |
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