Results 21 to 30 of about 113,687 (274)

Potential interactions between syntrophic bacteria and methanogens via type IV pili and quorum-sensing systems.

open access: yesEnvironment International, 2020
Interspecies electron transfer plays an important role in syntrophic methanogenesis. Direct interspecies electron transfer (DIET) between syntrophic oxidizers and methanogens via conductive pili has been only confirmed in some specific co-cultures.
Qidong Yin   +4 more
semanticscholar   +1 more source

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

Axisymmetric equilibrium models for magnetised neutron stars in Scalar-Tensor Theories [PDF]

open access: yes, 2020
Among the possible extensions of General Relativity that have been put forward in order to address some long standing issues in our understanding of the Universe, Scalar-Tensor Theories have received a lot of attention for their simplicity. Interestingly,
Bucciantini, N.   +2 more
core   +2 more sources

Characterization of Highly Mucus-Adherent Non-GMO Derivatives of Lacticaseibacillus rhamnosus GG

open access: yesFrontiers in Bioengineering and Biotechnology, 2020
Lacticaseibacillus rhamnosus GG is one of the best studied lactic acid bacteria in the context of probiotic effects. L. rhamnosus GG has been shown to prevent diarrhea in children and adults and has been implicated to have mitigating or preventive ...
Pia Rasinkangas   +9 more
doaj   +1 more source

High levels of cyclic di-GMP in Klebsiella pneumoniae attenuate virulence in the lung [PDF]

open access: yes, 2018
The bacterial second messenger bis-(3′-5′)-cyclic dimeric GMP (c-di-GMP) has been shown to influence the expression of virulence factors in certain pathogenic bacteria, but little is known about its activity in the increasingly antibiotic-resistant ...
Hunstad, David A   +2 more
core   +2 more sources

Cryo-electron microscopy reveals two distinct type IV pili assembled by the same bacterium

open access: yesNature Communications, 2020
Type IV pili are flexible filaments on the surface of bacteria, consisting of a helical assembly of pilin proteins. They are involved in bacterial motility (twitching), surface adhesion, biofilm formation and DNA uptake (natural transformation). Here, we
A. Neuhaus   +9 more
semanticscholar   +1 more source

Cross Reaction among Antibody Pili sub unit Hemagglutinin Proteins and Outer Membrane sub unit Hemagglutinin Proteins of Shigella flexneri

open access: yesJournal of Tropical Life Science, 2017
Shigella  flexneri is the most common causal agent of shigellosis. Its pili are composed of pili protein subunits. Adhesion molecules can be found on the pili and outer membrane proteins (Omp).
Avin Ainur Fitrianingsih   +6 more
doaj   +1 more source

Structural diversity in the type IV pili of multidrug-resistant Acinetobacter [PDF]

open access: yes, 2016
Acinetobacter baumannii is a Gram-negative coccobacillus found primarily in hospital settings that has recently emerged as a source of hospital-acquired infections. A.
Feldman, Mario F   +10 more
core   +3 more sources

Pili-like proteins of Akkermansia muciniphila modulate host immune responses and gut barrier function

open access: yesPLoS ONE, 2017
Gut barrier function is key in maintaining a balanced response between the host and its microbiome. The microbiota can modulate changes in gut barrier as well as metabolic and inflammatory responses.
N. Ottman   +15 more
semanticscholar   +1 more source

Alternative mechanism for bacteriophage adsorption to the motile bacterium Caulobacter crescentus [PDF]

open access: yes, 2011
2D and 3D cryo-electron microscopy, together with adsorption kinetics assays of ϕCb13 and ϕCbK phage-infected Caulobacter crescentus, provides insight into the mechanisms of infection.
Ackermann   +45 more
core   +4 more sources

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