Results 41 to 50 of about 60,244 (228)

Unraveling the molecular basis of subunit specificity in P pilus assembly by mass spectrometry [PDF]

open access: yes, 2008
P pili are multisubunit fibers essential for the attachment of uropathogenic Escherichia coli to the kidney. These fibers are formed by the noncovalent assembly of six different homologous subunit types in an array that is strictly defined in terms of ...
A. E. Ashcroft   +28 more
core   +2 more sources

Specific involvement of pilus type 2a in biofilm formation in group B Streptococcus. [PDF]

open access: yesPLoS ONE, 2010
Streptococcus agalactiae is the primary colonizer of the anogenital mucosa of up to 30% of healthy women and can infect newborns during delivery and cause severe sepsis and meningitis. Persistent colonization usually involves the formation of biofilm and
Cira Daniela Rinaudo   +9 more
doaj   +1 more source

Escherichia coli Biofilm Formation, Motion and Protein Patterns on Hyaluronic Acid and Polydimethylsiloxane Depend on Surface Stiffness

open access: yesJournal of Functional Biomaterials, 2022
The surface stiffness of the microenvironment is a mechanical signal regulating biofilm growth without the risks associated with the use of bioactive agents.
Annabelle Vigué   +12 more
doaj   +1 more source

Donor-strand exchange in chaperone-assisted pilus assembly revealed in atomic detail by molecular dynamics [PDF]

open access: yes, 2008
Adhesive multi-subunit fibres are assembled on the surface of many pathogenic bacteria via the chaperone-usher pathway. In the periplasm, a chaperone donates a β-strand to a pilus subunit to complement its incomplete immunoglobulin-like fold.
Ashcroft, A.E.   +5 more
core   +1 more source

Comprehensive Identification of Fim-Mediated Inversions in Uropathogenic Escherichia coli with Structural Variation Detection Using Relative Entropy

open access: yesmSphere, 2019
Most urinary tract infections (UTIs) are caused by uropathogenic Escherichia coli (UPEC), which depends on an extracellular organelle (type 1 pili) for adherence to bladder cells during infection.
Colin W. Russell   +6 more
doaj   +1 more source

Subinhibitory concentrations of trimethoprim and sulfamethoxazole prevent biofilm formation by Acinetobacter baumannii through inhibition of Csu pilus expression [PDF]

open access: yes, 2017
Acinetobacter baumannii is emerging as a multidrug-resistant nosocomial pathogen of increasing threat to human health worldwide. Pili are important bacterial virulence factors, playing a role in attachment to host cells and biofilm formation.
Feldman, Mario F   +2 more
core   +2 more sources

Safety and immunogenicity of an adjuvanted Escherichia coli adhesin vaccine in healthy women with and without histories of recurrent urinary tract infections: results from a first-in-human phase 1 study

open access: yesHuman Vaccines & Immunotherapeutics, 2021
Antibiotic resistance among gram-negative bacteria continues to rise globally at an alarming rate. New vaccines that prevent bacterial infections and reduce antibiotic use could provide a potential solution to these problems.
Gary R. Eldridge   +10 more
doaj   +1 more source

Mechanisms of Bacterial Extracellular Electron Exchange. [PDF]

open access: yes, 2016
The biochemical mechanisms by which microbes interact with extracellular soluble metal ions and insoluble redox-active minerals have been the focus of intense research over the last three decades. The process presents two challenges to the microorganism;
Butt, Julea N.   +5 more
core   +1 more source

Electron Transport Chain Is Biochemically Linked to Pilus Assembly Required for Polymicrobial Interactions and Biofilm Formation in the Gram-Positive Actinobacterium Actinomyces oris. [PDF]

open access: yes, 2017
The Gram-positive actinobacteria Actinomyces spp. are key colonizers in the development of oral biofilms due to the inherent ability of Actinomyces to adhere to receptor polysaccharides on the surface of oral streptococci and host cells.
Belkys C. Sanchez   +5 more
core   +2 more sources

FimH adhesin of type 1 pili is assembled into a fibrillar tip structure in the Enterobacteriaceae. [PDF]

open access: yesProceedings of the National Academy of Sciences, 1995
Type 1 pili are heteropolymeric mannosebinding fibers produced by all members of the Enterobacteriaceae family. The bulk of the fiber is composed of FimA. Two macromolecular complexes responsible for mediating an interaction with mannose-containing receptors were purified from fimA- Escherichia coli by mannose affinity chromatography and ion-exchange ...
C H, Jones   +6 more
openaire   +2 more sources

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