Results 151 to 160 of about 147,833 (381)

Neutrophil Mobilization Triggers Microglial Functional Change to Exacerbate Cerebral Ischemia‐Reperfusion Injury

open access: yesAdvanced Science, EarlyView.
These study underscores the pivotal role of neutrophil‐derived myeloid‐related protein 14 (MRP14) in the pathophysiology of acute ischemic stroke (AIS). MRP14 not only disrupts mitochondrial function, thereby inhibiting microglial phagocytosis of neutrophils, but also activates microglial pyroptosis, exacerbating neuroinflammation following AIS ...
Huijuan Jin   +10 more
wiley   +1 more source

Zymogram Assay for the Detection of Peptidoglycan Hydrolases in Streptococcus mutans

open access: yesBio-Protocol, 2013
Peptidoglycan hydrolases or autolysins are enzymes capable of cleaving covalent bonds in bacterial peptidoglycan cell wall layer. They can participate in the cell division process, in the release of turnover products from peptidoglycan during cell growth,
Delphine Dufour, Céline Lévesque
doaj   +1 more source

Peptidoglycan O-Acetylation as a Virulence Factor: Its Effect on Lysozyme in the Innate Immune System

open access: yesAntibiotics, 2019
The peptidoglycan sacculus of both Gram-positive and Gram-negative bacteria acts as a protective mesh and provides structural support around the entirety of the cell.
Ashley S. Brott, A. Clarke
semanticscholar   +1 more source

In Situ Electrically Resettable Field‐Effect Transistor Biosensors for Continuous and Multiplexed Neurotransmitter Detection

open access: yesAdvanced Science, EarlyView.
The research team integrated a potentiometrically controlled pH electrode with carbon nanotube (CNT) field‐effect transistor (FET) biosensors on a single chip using compatible processes. By employing zonal modification and optimized pH‐sensitive probes, they achieved simultaneous quadruple‐target detection and tenfold reusability under physiological ...
Bo Xiao   +6 more
wiley   +1 more source

Reduced peptidoglycan synthesis capacity impairs growth of E. coli at high salt concentration

open access: yesmBio
Gram-negative bacteria have a thin peptidoglycan layer between the cytoplasmic and outer membranes protecting the cell from osmotic challenges. Hydrolases of this structure are needed to cleave bonds to allow the newly synthesized peptidoglycan strands ...
Dema Alodaini   +11 more
doaj   +1 more source

Activity Assays for Bacteriophage Endolysin PlyPy

open access: yesBio-Protocol, 2014
Bacterial viruses (bacteriophages) escape and kill their host by degrading the bacterial peptidoglycan layer through the mechanism of enzymes called endolysins: peptidoglycan degrading enzymes.
Rolf Lood, Vincent Fischetti
doaj   +1 more source

The penicillin-binding proteins: structure and role in peptidoglycan biosynthesis.

open access: yesFEMS Microbiology Reviews, 2008
Penicillin-binding proteins (PBPs) have been scrutinized for over 40 years. Recent structural information on PBPs together with the ongoing long-term biochemical experimental investigations, and results from more recent techniques such as protein ...
E. Sauvage   +4 more
semanticscholar   +1 more source

The peptidoglycan recognition proteins (PGRPs).

open access: yesGenome biology, 2006
Peptidoglycan recognition proteins (PGRPs) are innate immunity molecules present in insects, mollusks, echinoderms, and vertebrates, but not in nematodes or plants. PGRPs have at least one carboxy-terminal PGRP domain (approximately 165 amino acids long), which is homologous to bacteriophage and bacterial type 2 amidases.
Roman Dziarski, Dipika Gupta
openaire   +3 more sources

A Tailored Artificial Biocatalyst for Bacterial Endophthalmitis Therapy via Enhanced Ferroptosis‐Like Death

open access: yesAdvanced Science, EarlyView.
A tailored bio‐targeted catalytic strategy based on a bacteria‐specific artificial biocatalyst (MoS2/Fe@mercaptophenylboronic acid@hyaluronic acid, MFBH) is proposed for treating bacterial endophthalmitis. This strategy exhibits high‐efficiency peptidoglycan‐targeted bactericidal efficacy in vivo following a single intravitreal injection of an ...
Caixia Sun   +9 more
wiley   +1 more source

Nanofabricated Bacterial Cell Walls with Intrinsic Peroxidase‐Mimicking and Sonodynamic Activities for Cancer Combination Treatment

open access: yesAdvanced Science, EarlyView.
Bacterial cell walls (CWs) extracted from Porphyromonas gingivalis are nanofabricated to form the CW vesicles (CWV), which have intrinsic peroxidase‐mimicking and sonodynamic activities due to the presence of µ‐oxo bisheme and meanwhile retain a large amount of lipopolysaccharide.
Meng Yang   +9 more
wiley   +1 more source

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