Classification of a Proteus penneri clinical isolate with a unique O-antigen structure to a new Proteus serogroup, O80

Carbohydrate Research
Małgorzata SiwinskaYuriy A Knirel

Abstract

Proteus penneri is an opportunistic pathogen, which may cause severe diseases, most frequently urinary tract infections in immunocompromised patients. P. penneri Br 114 exhibiting a good swarming growth ability as an S-form strain was isolated from a wound of a patient in Łódź, Poland. Serological studies using ELISA and Western blotting and chemical analyses along with (1)H and (13)C NMR spectroscopy showed that the O-antigen (O-polysaccharide) of this strain is unique among the known Proteus serotypes O1-O79. It possesses a linear pentasaccharide repeating unit containing a partially O-acetylated amide of D-glucuronic acid (GlcA) with L-serine having the following structure: [structure: see text]. These data are a basis for creating a new Proteus serogroup, O80, so far represented by the single Br 114 isolate. The O80 is the 21st O-serogroup containing P. penneri strains and the fourth serogroup based on Proteus spp. clinical isolates from Łódź, Poland.

Citations

Oct 27, 2016·Microbial Ecology·Dominika Drzewiecka
Nov 4, 2016·Medical Microbiology and Immunology·Agata Palusiak
Mar 3, 2018·International Journal of Molecular Sciences·Agata PalusiakMarta Kaszowska

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