Advanced searches left 3/3

Methicillin-resistant Staphylococcus - Wiley Online Library

Summarized by Plex Scholar
Last Updated: 02 May 2022

* If you want to update the article please login/register

Bacterial toxin‐triggered release of antibiotics from capsosomes protects a fly model from lethal methicillin‐resistant Staphylococcus aureus (MRSA) infection

Antibiotic resistance is a significant global health issue, and it necessitates prompt intervention to produce novel drugs, including microscale drug delivery systems. A hierarchical microparticle platform is being developed in order to isolate methicillin-resistant Staphylococcus aureus bacterial infections. MRSA-activated single drug delivery of vancomycin and synergistic dual delivery of vancomycin in vitro, as well as an antibacterial peptide, successfully killed MRSA in vitro. Caposomes' ability to selectively deliver their cargo in the absence of bacteria, resulting in a bactericidal effect on the host organism, has been demonstrated in vivo using a Drosophila melanogaster MRSA infection model.

Source link: https://onlinelibrary.wiley.com/doi/10.1002/adhm.202200036


Linearized teixobactin is inactive and after sequence enhancement, kills methicillin‐resistant Staphylococcus aureus via a different mechanism

When using the i-chip technology, teixobactin was discovered uncultivated soil bacteria. This depsipeptide links the backbone Céterminal isoleucine carboxylic acid and the hydroxyl group of threonine at position 8. After linearization and conversion to natural amino acids, teixobactin lost its antibacterial activity. However, the highest cell selectivity index was found in YZ105, which is only effective against Gram-positive bacteria. kinetic killing, membrane permeation, depolarization, and scanning electron microscopy investigations were all used by YZ105. Unlike teixobactin, which inhibits cell wall synthesis, cell wall synthesis, kinetic killing, membrane permeation, depolarization, and microscopy experiments, kinetic killing, membrane permeation, and microscopy were all targeted by kinetic killing.

Source link: https://onlinelibrary.wiley.com/doi/10.1002/pep2.24269


Risk factors for antimicrobial resistance among Staphylococcus isolated from pets living with a patient diagnosed with methicillin‐resistant Staphylococcus aureus infection

We investigated the risk factors for the transmission of antimicrobial-resistant coagulase-positive staphylococci in households of people with methicillin-resistant S. audulitis skin or soft tissue disease in patients with methicillin-resistant S. aureus. MRSA and other staphylococci infections from humans, pets, and the environment were determined cross-sectionally from a study that was carried out in 2012 that determined the transmission of MRSA and other staphylococci from humans, dogs, and the environment. Based on our findings, 54% of S. audward, 3. 3% of S. pseudintermedius, and 25% of other coagulase-positive staphylococci were identified as MDR. Compared to S. pseudintermedius, isolates from MDR were more likely to be MDR than those of S. pseudintermedius. According to the findings, antimicrobial resistance in household staphylococci may vary by bacterial species, which may have ramifications for one-health intervention plans for staphylococci and may lead to the identification of other reverse zoonoses, such as COVID19.

Source link: https://onlinelibrary.wiley.com/doi/10.1111/zph.12946


Difficult maintenance of serum drug concentration in methicillin‐resistant Staphylococcus aureus toxic shock syndrome during early puerperium

Staphylococcus aureus, a methicillin-resistant Staphylococcus aureus, can cause toxic shock syndrome. Following the cesarean section, two patients developed toxic shock syndrome caused by MRSA shortly after. The dosage was adjusted in the same way as nonpregnancy, but the true drug content was significantly different from what was expected. Both improved knowledge of the pharmacokinetics and the establishment of a method to determine the right drug dose during puerperium are both required.

Source link: https://onlinelibrary.wiley.com/doi/10.1111/jog.15221


In Vivo Efficacy, Mechanistic Study and Synergistic Interaction of Precocene II with Norfloxacin against Methicillin‐Resistant Staphylococcus aureus

The chromenes precocene I and precocene II are two primary constituents of A. conyzoides aerial parts. The trial investigated precocene II for its in vivo efficacy, mechanistic review, and synergistic interaction with norfloxacin against methicillin-resistant Staphylococcus aureus. These results were further confirmed using the mouse model, revealing a significant decrease in bacterial load in much lower doses of 2 and norfloxacin without toxicity at 200 mg/kg body weight. Two regulators regulate bacterial resistance against S. aurus clinical isolates by membrane diffusion in a dose-dependent manner, according to Mechanistic studies. Over mammalian cell lines, it also showed high selectivity against S. auus. In vivo studies showed that 2 in combination with norfloxacin significantly reduced bacterial load in much lower amounts by synergistic contact without apparent toxicity.

Source link: https://onlinelibrary.wiley.com/doi/10.1002/cbdv.202100906

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions