Abstract：
:Bacterial pathogens expose on the cell surface a variety of complex carbohydrate molecules. Gram-negative bacteria produce lipopolysaccharides, which are the main components of the outer membrane of bacterial envelopes and play a major role in host-pathogen interactions. B. pertussis, B. parapertussis, B. bronchiseptica, and B. holmesii, are mammalian respiratory pathogens, having substantial economic impact on human health and agriculture. B. pertussis is responsible for whooping cough (pertussis) and B. holmesii is the second pertussis etiological factor, but the current anti-pertussis vaccines do not provide cross-protection. The structural data on any given hypothetical carbohydrate antigen is a prerequisite for further analysis of structure-related activities and their interaction with hosts. 1H NMR spectra constitute fingerprints of the analyzed glycans and provide unique identity information. The concept of structure-reporter groups has now been augmented by 1H,13C-correlation spectra of the Bordetella oligosaccharides. The comparative analysis of Bordetellae oligosaccharides (OS) revealed that the hexasaccharide, comprising the α-GlcpN, α-GlcpA, 4,6-disubstituted-β-Glcp, 2,7-disubstituted-l-α-d-Hepp, 3,4-disubstituted-l-α-d-Hepp, and Kdo, constitute the least variable OS segment. This minimal common element in the structure of lipopolysaccharides of Bordetellae could be used to devise a universal cross-protective vaccine component against infections with various bacteria from the genus Bordetella.
journal_name
Int J Mol Scijournal_title
International journal of molecular sciencesauthors
Ucieklak K,Koj S,Niedziela Tdoi
10.3390/ijms22031029subject
Has Abstractpub_date
2021-01-21 00:00:00issue
3issn
1422-0067pii
ijms22031029journal_volume
22pub_type
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