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Interaction between FtsW and penicillin-binding protein 3 (PBP3) directs PBP3 to mid-cell, controls cell septation and mediates the formation of a trimeric complex involving FtsZ, FtsW and PBP3 in mycobacteria [PDF]
Molecular Microbiology, 2006 SummaryIn bacteria, biogenesis of cell wall at the division site requires penicillin‐binding protein 3 (PBP3) (or FtsI). Using pull‐down, bacterial two‐hybrid, and peptide‐based interaction assays, we provide evidence that FtsW of Mycobacterium tuberculosis (FtsWMTB) interacts with PBP3 through two extracytoplasmic loops.
Pratik Datta +2 more
exaly +3 more sources
Crystal Structure of a Peptidoglycan Synthesis Regulatory Factor (PBP3) from Streptococcus pneumoniae [PDF]
Journal of Biological Chemistry, 2005 Penicillin-binding proteins (PBPs) are membrane-associated enzymes which perform critical functions in the bacterial cell division process. The single d-Ala,d-Ala (d,d)-carboxypeptidase in Streptococcus pneumoniae, PBP3, has been shown to play a key role in control of availability of the peptidoglycal substrate during cell growth.
Cecile Morlot +2 more
exaly +4 more sources
Influence of the α-Methoxy Group on the Reaction of Temocillin with Pseudomonas aeruginosa PBP3 and CTX-M-14 β-Lactamase [PDF]
Antimicrobial Agents and Chemotherapy, 2019 The prevalence of multidrug-resistant Pseudomonas aeruginosa has led to the reexamination of older “forgotten” drugs, such as temocillin, for their ability to combat resistant microbes. Temocillin is the 6-α-methoxy analogue of ticarcillin, a carboxypenicillin with well-characterized antipseudomonal properties.
exaly +3 more sources
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Journal of Medical Microbiology, 2014
The mechanisms responsible for the increase in ceftazidime MIC in two Escherichia coli in vitro selected mutants, Caz/20-1 and Caz/20-2, were studied. OmpF loss and overexpression of acrB, acrD and acrF that were associated with acrR and marR mutations and sdiA overexpression, together with mutations A233T and I332V in FtSI (PBP3) resulted in ...
Tavío, María M. +3 more
openaire +3 more sources
The mechanisms responsible for the increase in ceftazidime MIC in two Escherichia coli in vitro selected mutants, Caz/20-1 and Caz/20-2, were studied. OmpF loss and overexpression of acrB, acrD and acrF that were associated with acrR and marR mutations and sdiA overexpression, together with mutations A233T and I332V in FtSI (PBP3) resulted in ...
Tavío, María M. +3 more
openaire +3 more sources
Global emergence of Escherichia coli with PBP3 insertions
Journal of Antimicrobial ChemotherapyAbstract Objectives Escherichia coli producing metallo-β-lactamases with penicillin-binding protein 3 (PBP3) insertions have reduced susceptibility to aztreonam–avibactam and cefiderocol. Here, we analysed high-quality E. coli genomes for PBP3 insertions.
Haiyan Long +3 more
openaire +2 more sources
The
SummaryBacterial division requires the co‐ordination of membrane invagination, driven by the constriction of the FtsZ‐ring, and concomitant cell wall synthesis, performed by the high‐molecular‐weight penicillin‐binding proteins (HMW PBPs). Using immunofluorescence techniques, we show in Streptococcus pneumoniae that this co‐ordination requires PBP3, a ...
Cécile, Morlot +4 more
openaire +2 more sources