Results 101 to 110 of about 923,312 (393)
New quinolones and gram-positive bacteria [PDF]
The quinolone class of antibacterial agents has evolved rapidly to emerge as one of the most effective classes of drugs in the treatment of infectious diseases. While the spectra and antibacterial activities of fluoroquinolones, such as ciprofloxacin, developed in the 1980s improved to include most gramnegative bacteria, their activities against gram ...
openaire +3 more sources
Bacterial cooperation leads to heteroresistance [PDF]
By challenging E. coli with sublethal norfloxacin for 10 days, Henry Lee and James Collins suggests the bacterial altruism leads to the population-wide resistance. By detailedly analyzing experiment data, we suggest that bacterial cooperation leads to population-wide resistance under norfloxacin pressure and simultaneously propose the bacteria shield ...
arxiv
The temporary transition of macrophages from a pro‐inflammatory phenotype of macrophages (M1) to an anti‐inflammatory phenotype of macrophages (M2) is crucial for tissue repair and regeneration processes. Bacterial outer membrane vesicles (OMVs) are utilized as a “trojan horse” for specific M1 macrophage‐targeting and anti‐inflammatory drug delivery ...
Donglin Cai+9 more
wiley +1 more source
Studying the Polypropylenimine-G2 (PPI-G2) Dendrimer Performance in Removal of Escherichia coli, Proteus mirabilis, Bacillus subtilis and Staphylococcus aureus from Aqueous Solution [PDF]
Background: Dendrimers are a subset of branched structures that have certain structural order. The aim of this study was to investigate the performance of Polypropylenimine-G2 (PPI-G2) dendrimers in removal of Escherichia coli, Proteus mirabilis ...
Hasan Izanloo+8 more
doaj
INFLUENCE OF APPROACHES TO ISOLATION OF ANIMAL BIOACTIVE SUBSTANCES ON ANTIMICROBIAL ACTION
This article highlights the problem of the use of chemical preservatives in the food industry. The prospects of implementation natural substances with an antimicrobial effect for prolonging shelf life and improving the quality of food products are also ...
Ekaterina A. Lukinova+2 more
doaj +1 more source
Activity of meropenem, against Gram-positive bacteria [PDF]
A new carbapenem antibiotic, meropenem, was shown to be active against a large number of Gram-positive bacteria. The drug inhibited penicillinase-positive and -negative, methicillin-susceptible staphylococci equally well.
Hadorn, K.+3 more
core
Evolutionary relationships between yeast and bacterial homoserine dehydrogenases [PDF]
The Saccharomyces cerevisiae HOM6 gene, encoding homoserine dehydrogenase (EC 1.1.1.3) was cloned and its nucleotide sequence determined. The yeast homoserine dehydrogenase shows extensive homology to the homoserine dehydrogenase domains of the two ...
Barbey, Régine+2 more
core +1 more source
Resistance mechanisms of Gram-positive bacteria
The introduction and increasing use of antibiotics for antibacterial therapy has initiated a rapid development and expansion of antibiotic resistance in microorganisms, particularly in human pathogens. Additionally, a shift to an increase in number and severity of Gram-positive infections has been observed the last decades. Common to these pathogens is
openaire +3 more sources
Bacterial glycobiology: rhamnose-containing cell wall polysaccharides in Gram-positive bacteria
The composition of the Gram-positive cell wall is typically described as containing peptidoglycan, proteins and essential secondary cell wall structures called teichoic acids, which comprise approximately half of the cell wall mass.
M. Mistou, I. Sutcliffe, N. V. van Sorge
semanticscholar +1 more source
Eco‐friendly nanowave‐textured implants produced via femtosecond laser fabrication enhance bone regeneration by orchestrating a precise mechanotransduction cascade. This nanotopography directs mesenchymal stem cell alignment and cytoskeletal organization, triggering changes in nuclear shape and chromatin acetylation that prime cells for osteogenesis ...
Bosu Jeong+15 more
wiley +1 more source