Horizontally acquired papGII-containing pathogenicity islands underlie the emergence of invasive uropathogenic Escherichia coli lineages.

Horizontally acquired papGII-containing pathogenicity islands underlie the emergence of invasive uropathogenic Escherichia coli lineages.
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DOI:
10.1038/s41467-020-19714-9
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发表时间:
2020-11-24
影响因子:
16.6
通讯作者:
Van Puyvelde S
Van Puyvelde S
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Biggel M;Xavier BB;Johnson JR;Nielsen KL;Frimodt-Møller N;Matheeussen V;Goossens H;Moons P;Van Puyvelde S

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Escherichia coli is the leading cause of urinary tract infection, one of the most common bacterial infections in humans. Despite this, a genomic perspective is lacking regarding the phylogenetic distribution of isolates associated with different clinical syndromes. Here, we present a large-scale phylogenomic analysis of a spatiotemporally and clinically diverse set of 907 E. coli isolates, including 722 uropathogenic E. coli (UPEC) isolates. A genome-wide association approach identifies the (P-fimbriae-encoding) papGII locus as the key feature distinguishing invasive UPEC, defined as isolates associated with severe UTI, i.e., kidney infection (pyelonephritis) or urinary-source bacteremia, from non-invasive UPEC, defined as isolates associated with asymptomatic bacteriuria or bladder infection (cystitis). Within the E. coli population, distinct invasive UPEC lineages emerged through repeated horizontal acquisition of diverse papGII-containing pathogenicity islands. Our findings elucidate the molecular determinants of severe UTI and have implications for the early detection of this pathogen. Escherichia coli is a major cause of urinary tract infection. Here, Biggel et al. provide a phylogenomic analysis of 907 clinical E. coli isolates and identify the P-fimbriae-encoding locus associated with invasive uropathogenic E. coli isolates.
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