Results 91 to 100 of about 65,332 (236)

A Novel Regulatory Cascade Involving BluR, YcgZ, and Lon Controls the Expression of Escherichia coli OmpF Porin

open access: yesFrontiers in Microbiology, 2017
In Escherichia coli, OmpF is an important outer membrane protein, which serves as a passive diffusion pore for small compounds including nutrients, antibiotics, and toxic compounds.
Valérie Duval   +3 more
doaj   +1 more source

Upcycling Pomegranate Peel Waste for Comparative Green Synthesis of Silver Nanoparticles: Characterization and Biological Applications

open access: yesChemistry &Biodiversity, Volume 23, Issue 5, May 2026.
Pomegranate peel waste is upcycled for the green synthesis of silver nanoparticles using facile, microwave, and autoclave methods. The microwave approach produces smaller, crystalline nanoparticles with enhanced antioxidant and antimicrobial activity, particularly against food‐borne pathogens.
Mandy Sibiya   +4 more
wiley   +1 more source

Mucosal immunization with the Moraxella catarrhalis porin m35 induces enhanced bacterial clearance from the lung: a possible role for opsonophagocytosis

open access: yesFrontiers in Immunology, 2011
Moraxella catarrhalis is a significant cause of respiratory tract infection against which a vaccine is sought. Several outer membrane proteins are currently under investigation as potential vaccine antigens, including the porin M35.
Donna eEaston   +5 more
doaj   +1 more source

Protein phosphorylation in yeast mitochondria [PDF]

open access: yes, 1987
We describe the identification and submitochondrial localization of four protein kinases and of their target proteins in derepressed yeast mitochondria. The activity of one of the kinases depends on the presence of cyclic AMP (cAMP).
Ashwell   +37 more
core   +2 more sources

Rhenium Complexes as Antimicrobial Agents

open access: yesHelvetica Chimica Acta, Volume 109, Issue 5, May 2026.
Rhenium complexes are stepping into the fight against superbugs. Our new review explores how these metallic complexes could inspire the next generation of antimicrobial therapies. ABSTRACT The escalating crisis of antimicrobial resistance (AMR) necessitates the exploration of unconventional therapeutic scaffolds.
Fabio Zobi, Gozde Demirci, Marija Rasic
wiley   +1 more source

Altered sterol metabolism in budding yeast affects mitochondrial iron–sulfur (Fe-S) cluster synthesis [PDF]

open access: yes, 2018
Ergosterol synthesis is essential for cellular growth and viability of the budding yeast Saccharomyces cerevisiae, and intracellular sterol distribution and homeostasis are therefore highly regulated in this species. Erg25 is an iron-containing C4-methyl
Bard, Martin   +7 more
core   +1 more source

Host Factor Induced Bacterial Extracellular Vesicles Promote Horizontal Gene Transfer in Vibrio cholerae

open access: yesJournal of Extracellular Vesicles, Volume 15, Issue 5, May 2026.
Antimicrobial stressors, that is, bile or mitomycin C, induce enlarged, nucleic acid‐rich bacterial extracellular vesicles in Vibrio cholerae that facilitate horizontal gene transfer in vitro and during intestinal colonisation. The findings provide a detailed comparison of control versus stress‐induced vesicles, identify bile as a host factor shaping ...
Dominik Fleischhacker   +6 more
wiley   +1 more source

Comparative proteomics of uropathogenic Escherichia coli during growth in human urine identify UCA-like (UCL) fimbriae as an adherence factor involved in biofilm formation and binding to uroepithelial cells [PDF]

open access: yes, 2015
Uropathogenic Escherichia coli (UPEC) are the primary cause of urinary tract infection (UTI) in humans. For the successful colonisation of the human urinary tract, UPEC employ a diverse collection of secreted or surface-exposed virulence factors ...
Allsopp, LP   +5 more
core   +1 more source

Phosphate Limitation Modulates Vibrio Cholerae Outer Membrane Vesicle Formation, Composition and Toxicity

open access: yesJournal of Extracellular Biology, Volume 5, Issue 5, May 2026.
ABSTRACT Vibrio cholerae inhabits phosphorus‐poor aquatic environments and host intestine, where it expresses genes regulated by the PhoB/PhoR two‐component system in response to inorganic phosphate (Pi) limitation. Like other Gram‐negative bacteria, V.
Matheus Luchetta da Fonseca   +9 more
wiley   +1 more source

Resuscitation and quantification of stressed Escherichia coli K12 NCTC8797 in water samples [PDF]

open access: yes, 2009
The aim of this study was to investigate the impact on numbers of using different media for the enumeration of Escherichia coli subjected to stress, and to evaluate the use of different resuscitation methods on bacterial numbers. E. coli was subjected to
Bissonnette   +37 more
core   +1 more source

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