Molecular Determinants of β-Lactam Resistance in Methicillin-Resistant Staphylococcus aureus (MRSA): An Updated Review

H Lade, JS Kim - Antibiotics, 2023 - mdpi.com
The development of antibiotic resistance in Staphylococcus aureus, particularly in methicillin-
resistant S. aureus (MRSA), has become a significant health concern worldwide. The …

An updated review on the synthesis and antibacterial activity of molecular hybrids and conjugates bearing imidazole moiety

R Rossi, M Ciofalo - Molecules, 2020 - mdpi.com
The rapid growth of serious infections caused by antibiotic resistant bacteria, especially the
nosocomial ESKAPE pathogens, has been acknowledged by Governments and scientists …

Bacteroides fragilis ubiquitin homologue drives intraspecies bacterial competition in the gut microbiome

K Jiang, W Li, M Tong, J Xu, Z Chen, Y Yang… - Nature …, 2024 - nature.com
Interbacterial antagonism and associated defensive strategies are both essential during
bacterial competition. The human gut symbiont Bacteroides fragilis secretes a ubiquitin …

[HTML][HTML] Perspectives on systematic generation of antibiotic resistance with special emphasis on modern antibiotics

IK Kavya, N Kochhar, A Ghosh, S Shrivastava… - Total Environment …, 2023 - Elsevier
Antibiotics, considered a “wonder medication” in the 20th century, have been exploited to
such an extent that bacteria have developed resistance against them giving rise to highly …

Evolving MRSA: High-level β-lactam resistance in Staphylococcus aureus is associated with RNA Polymerase alterations and fine tuning of gene expression

VV Panchal, C Griffiths, H Mosaei, B Bilyk… - PLoS …, 2020 - journals.plos.org
Most clinical MRSA (methicillin-resistant S. aureus) isolates exhibit low-level β-lactam
resistance (oxacillin MIC 2–4 μg/ml) due to the acquisition of a novel penicillin binding …

Penicillin‐binding protein PBP2a provides variable levels of protection toward different β‐lactams in Staphylococcus aureus RN4220

ME Fergestad, GA Stamsås… - …, 2020 - Wiley Online Library
Methicillin‐resistant Staphylococcus aureus (MRSA) is resistant to most β‐lactams due to
the expression of an extra penicillin‐binding protein, PBP2a, with low β‐lactam affinity. It has …

Flotillin-mediated stabilization of unfolded proteins in bacterial membrane microdomains

M Ukleja, L Kricks, G Torrens, I Peschiera… - Nature …, 2024 - nature.com
The function of many bacterial processes depends on the formation of functional membrane
microdomains (FMMs), which resemble the lipid rafts of eukaryotic cells. However, the …

An interplay of multiple positive and negative factors governs methicillin resistance in Staphylococcus aureus

BL Bilyk, VV Panchal, M Tinajero-Trejo… - Microbiology and …, 2022 - Am Soc Microbiol
The development of resistance to β-lactam antibiotics has made Staphylococcus aureus a
clinical burden on a global scale. MRSA (methicillin-resistant S. aureus) is commonly known …

Staphylococcus aureus releases proinflammatory membrane vesicles to resist antimicrobial fatty acids

A Kengmo Tchoupa, A Peschel - Msphere, 2020 - Am Soc Microbiol
Staphylococcus aureus is a major pathogen, which colonizes one in three otherwise healthy
humans. This significant spread of S. aureus is largely due to its ability to circumvent innate …

Eleucanainones A and B: Two Dimeric Structures from the Bulbs of Eleutherine americana with Anti-MRSA Activity

D Chen, Z Sun, Y Liu, Z Li, H Liang, L Chen, X Xu… - Organic …, 2020 - ACS Publications
Two naphthoquinone-derived heterodimers with unprecedented carbon skeletons,
eleucanainones A (1) and B (2), were isolated from the bulbs of Eleutherine americana …