Remodeling bacterial polysaccharides by metabolic pathway engineering

Wen Yi, Xianwei Liu, Yanhong Li, Jianjun Li, Chengfeng Xia, Guangyan Zhou, Wenpeng Zhang, Wei Zhao, Xi Chen, Peng George Wang

Research output: Contribution to journalArticle

64 Citations (Scopus)

Abstract

Introducing structural modifications into biomolecules represents a powerful approach to dissect their functions and roles in biological processes. Bacterial polysaccharides, despite their rich structural information and essential roles in bacterium-host interactions and bacterial virulence, have largely been unexplored for in vivo structural modifications. In this study, we demonstrate the incorporation of a panel of monosaccharide analogs into bacterial polysaccharides in a highly homogenous manner via metabolic engineering of a promiscuous sugar nucleotide biosynthetic pathway. In addition, the bioorthorgonal functional groups metabolically incorporated were exploited for cell surface labeling using in vitro selective chemical ligation reactions. In summary, our study presents a general, facile and effective approach for in vivo generation of novel tailor-made bacterial polysaccharides.

Original languageEnglish (US)
Pages (from-to)4207-4212
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume106
Issue number11
DOIs
StatePublished - Mar 17 2009

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Bacterial Polysaccharides
Metabolic Engineering
Metabolic Networks and Pathways
Biological Phenomena
Monosaccharides
Biosynthetic Pathways
Ligation
Virulence
Nucleotides
Bacteria

Keywords

  • Chemical remodeling
  • Fucose
  • Metabolic engineering
  • Sugar nucleotide biosynthesis

ASJC Scopus subject areas

  • General

Cite this

Remodeling bacterial polysaccharides by metabolic pathway engineering. / Yi, Wen; Liu, Xianwei; Li, Yanhong; Li, Jianjun; Xia, Chengfeng; Zhou, Guangyan; Zhang, Wenpeng; Zhao, Wei; Chen, Xi; Wang, Peng George.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 106, No. 11, 17.03.2009, p. 4207-4212.

Research output: Contribution to journalArticle

Yi, Wen ; Liu, Xianwei ; Li, Yanhong ; Li, Jianjun ; Xia, Chengfeng ; Zhou, Guangyan ; Zhang, Wenpeng ; Zhao, Wei ; Chen, Xi ; Wang, Peng George. / Remodeling bacterial polysaccharides by metabolic pathway engineering. In: Proceedings of the National Academy of Sciences of the United States of America. 2009 ; Vol. 106, No. 11. pp. 4207-4212.
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