Abstract：
:Bacterial polysaccharides play an essential role in cell viability, virulence, and evasion of host defenses. Although the polysaccharides themselves are highly diverse, the pathways by which bacteria synthesize these essential polymers are conserved in both Gram-negative and Gram-positive organisms. By utilizing a lipid linker, a series of glycosyltransferases and integral membrane proteins act in concert to synthesize capsular polysaccharide, teichoic acid, and teichuronic acid. The pathways used to produce these molecules are the Wzx/Wzy-dependent, the ABC-transporter-dependent, and the synthase-dependent pathways. This chapter will cover the initiation, synthesis of the various polysaccharides on the cytoplasmic face of the membrane using nucleotide sugar precursors, and export of the nascent chain from the cytoplasm to the extracellular milieu. As microbial glycobiology is an emerging field in Gram-positive bacteria research, parallels will be drawn to the more widely studied polysaccharide biosynthesis systems in Gram-negative species in order to provide greater understanding of these biologically significant molecules.
journal_name
Curr Top Microbiol Immunoljournal_title
Current topics in microbiology and immunologyauthors
Taylor VL,Huszczynski SM,Lam JSdoi
10.1007/82_2015_5014subject
Has Abstractpub_date
2017-01-01 00:00:00pages
95-128eissn
0070-217Xissn
2196-9965journal_volume
404pub_type
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journal_title：Current topics in microbiology and immunology
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doi：
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journal_title：Current topics in microbiology and immunology
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