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Title: Foodborne Origin and Local and Global Spread of Staphylococcus saprophyticus Causing Human Urinary Tract Infections
Author: Lawal, Opeyemi U.
Fraqueza, Maria J.
Bouchami, Ons
Worning, Peder
Bartels, Mette D.
Gonçalves, Maria L.
Paixao, Paulo
Gonçalves, Elsa
Toscano, Cristina
Empel, Joanna
Urbás, Malgorzata
Domínguez Luzón, Ma. Ángeles (María Ángeles)
Westh, Henrik
Lencastre, Hermínia de
Miragaia, María
Keywords: Infeccions del tracte urinari
Urinary tract infections
Issue Date: Mar-2021
Publisher: Centers for Disease Control and Prevention
Abstract: Staphylococcus saprophyticus is a primary cause of community-acquired urinary tract infections (UTIs) in young women. S. saprophyticus colonizes humans and animals but basic features of its molecular epidemiology are undetermined. We conducted a phylogenomic analysis of 321 S. saprophyticus isolates collected from human UTIs worldwide during 1997-2017 and 232 isolates from human UTIs and the pig-processing chain in a confined region during 2016-2017. We found epidemiologic and genomic evidence that the meat-production chain is a major source of S. saprophyticus causing human UTIs; human microbiota is another possible origin. Pathogenic S. saprophyticus belonged to 2 lineages with distinctive generic features that are globally and locally disseminated. Pangenome-wide approaches identified a strong association between pathogenicity and antimicrobial resistance, phages, platelet binding proteins, and an increased recombination rate. Our study provides insight into the origin, transmission, and population structure of pathogenic S. saprophyticus and identifies putative new virulence factors.
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It is part of: Emerging Infectious Diseases, 2021, vol. 27, num. 3, p. 880-893
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ISSN: 1080-6040
Appears in Collections:Articles publicats en revistes (Institut d'lnvestigació Biomèdica de Bellvitge (IDIBELL))
Articles publicats en revistes (Patologia i Terapèutica Experimental)

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