U01.03.014 Antibiotic resistance mechanisms Antibiotic resistance mechanisms enable bacteria to survive exposure to antimicrobial agents through genetic mutations or acquired resistance genes. Key mechanisms include enzyme inactivation (β-lactamases), altered drug targets, decreased permeability, and efflux pumps, leading to treatment failure and global public health challenges.

Master bacterial antibiotic resistance mechanisms and their clinical relevance. #AntibioticResistance #Microbiology #BetaLactamase #EffluxPumps #DrugResistance #MRSA #ESBL #CRE #Pathogenesis #USMLE #MedicalEducation #ClinicalMicrobiology #InfectionControl #PublicHealth

🦠 Can resistant bacteria protect their neighbours? A new paper reveals how β-lactamase activity, membrane permeability & antibiotic type shape antibiotic sheltering in microbial communities.
Read it here: doi.org/10.1039/D5CB...
#RSCChemicalBiology #AntibioticResistance #BetaLactamase

Patrice Nordmann brings us their cheap, easy & rapid test to detect #betalactamase activity in urine samples from #UTI patients. The test is based on Nitrocefin, which changes color if hydrolized when the enzymes are present. The hope is to bring it directly to the doctors office

#ESCMIDGlobal

Christian Moguet brings their lateral flow test to detect DHA AmpC #betalactamase in enterobacterales. Current work shows that the test has high sensitivity and can differentiate between low and high expression of the enzyme, which correlates with resistance phenotype

#ESCMIDGlobal

Potential involvement of beta-lactamase homologous proteins in resistance to beta-lactam antibiotics in gram-negative bacteria of the ESKAPEE group - BMC Genomics Background Enzymatic degradation mediated by beta-lactamases constitutes one of the primary mechanisms of resistance to beta-lactam antibiotics in gram-negative bacteria. This enzyme family comprises ...

Excited to share our newly published article on beta-lactam antibiotic resistance in Gram-negative bacteria! Discover how beta-lactamases and homologous proteins contribute to this global health challenge. #Research #AntibioticResistance #BetaLactamase
doi.org/10.1186/s128...