Author

J. Piwowarski

3 papers indexed here

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Review Open access Oct 2026

From gut colonization to recurrence: E. coli secretion systems at the host-microbiota interface

Abstract Escherichia coli occupies a unique position between commensal colonization and infection. It is a common member of the intestinal microbiota, yet selected pathogenic or opportunistic lineages can persist in mucosal niches, interact with resident microbial communities, and in some cases seed recurrent extrainte...

M. Równicki, Maciej Obrębski, J. Piwowarski · Gut microbes · 0 citations

Open access Aug 2026

From gut-derived metabolites to topical targets: 5-(3',4'-dihydroxyphenyl)-γ-valerolactone as an anti-inflammatory candidate for skin and mucosal inflammation.

Plant-derived compounds can be transformed by the human gut microbiota into postbiotic metabolites with distinct structures and biological activities, providing insight into the mechanisms underlying the pharmacological effects of medicinal plants. Among them, 5-(3',4'-dihydroxyphenyl)-γ-valerolactone (DHPV), a microbi...

W. Skowrońska, Rafał M. Kiełkiewicz, Maja Kirzyc et al. · Biomedicine & pharmacotherap... · 0 citations

Review Open access Jul 2026

Types I, II, V, and VI secretion system genes in clinical uropathogenic Escherichia coli associate with antibiotic susceptibility, biofilm formation, and persister cells

A type VI secretion system marker (hcp) was associated with higher survival during ciprofloxacin exposure in strong-biofilm isolates, linking virulence-associated machinery with biofilm-associated persistence.

Paulina Soból, Weronika Kęsek, Maja Kirzyc et al. · Microbiology spectrum · 0 citations