User profiles for P. Lynne Howell
P. Lynne HowellThe Hospital for Sick Children Verified email at sickkids.ca Cited by 12834 |
[HTML][HTML] Biosynthesis of the Pseudomonas aeruginosa Extracellular Polysaccharides, Alginate, Pel, and Psl
Pseudomonas aeruginosa thrives in many aqueous environments and is an opportunistic
pathogen that can cause both acute and chronic infections. Environmental conditions and host …
pathogen that can cause both acute and chronic infections. Environmental conditions and host …
Exopolysaccharide biosynthetic glycoside hydrolases can be utilized to disrupt and prevent Pseudomonas aeruginosa biofilms
Bacterial biofilms present a significant medical challenge because they are recalcitrant to
current therapeutic regimes. A key component of biofilm formation in the opportunistic human …
current therapeutic regimes. A key component of biofilm formation in the opportunistic human …
Pseudomonas aeruginosa Alginate Overproduction Promotes Coexistence with Staphylococcus aureus in a Model of Cystic Fibrosis Respiratory Infection
While complex intra- and interspecies microbial community dynamics are apparent during
chronic infections and likely alter patient health outcomes, our understanding of these …
chronic infections and likely alter patient health outcomes, our understanding of these …
[HTML][HTML] The molecular mechanism of the type IVa pilus motors
Type IVa pili are protein filaments essential for virulence in many bacterial pathogens; they
extend and retract from the surface of bacterial cells to pull the bacteria forward. The motor …
extend and retract from the surface of bacterial cells to pull the bacteria forward. The motor …
[PDF][PDF] A phage-encoded anti-activator inhibits quorum sensing in Pseudomonas aeruginosa
The arms race between bacteria and phages has led to the evolution of diverse anti-phage
defenses, several of which are controlled by quorum-sensing pathways. In this work, we …
defenses, several of which are controlled by quorum-sensing pathways. In this work, we …
[HTML][HTML] The role of Psl in the failure to eradicate Pseudomonas aeruginosa biofilms in children with cystic fibrosis
…, KM Guttman, P Lynne Howell… - npj Biofilms and …, 2021 - nature.com
The exopolysaccharide Psl contributes to biofilm structure and antibiotic tolerance and may
play a role in the failure to eradicate Pseudomonas aeruginosa from cystic fibrosis (CF) …
play a role in the failure to eradicate Pseudomonas aeruginosa from cystic fibrosis (CF) …
The phage λ major tail protein structure reveals a common evolution for long-tailed phages and the type VI bacterial secretion system
…, LW Donaldson, P Lynne Howell… - Proceedings of the …, 2009 - National Acad Sciences
Most bacteriophages possess long tails, which serve as the conduit for genome delivery.
We report the solution structure of the N-terminal domain of gpV, the protein comprising the …
We report the solution structure of the N-terminal domain of gpV, the protein comprising the …
Pel is a cationic exopolysaccharide that cross-links extracellular DNA in the Pseudomonas aeruginosa biofilm matrix
Biofilm formation is a complex, ordered process. In the opportunistic pathogen Pseudomonas
aeruginosa, Psl and Pel exopolysaccharides and extracellular DNA (eDNA) serve as …
aeruginosa, Psl and Pel exopolysaccharides and extracellular DNA (eDNA) serve as …
The Pel and Psl polysaccharides provide Pseudomonas aeruginosa structural redundancy within the biofilm matrix
…, JC Whitney, C Ryder, PL Howell… - Environmental …, 2012 - Wiley Online Library
Extracellular polysaccharides comprise a major component of the biofilm matrix. Many
species that are adept at biofilm formation have the capacity to produce multiple types of …
species that are adept at biofilm formation have the capacity to produce multiple types of …
Precision-engineering the Pseudomonas aeruginosa genome with two-step allelic exchange
Allelic exchange is an efficient method of bacterial genome engineering. This protocol
describes the use of this technique to make gene knockouts and knock-ins, as well as single-…
describes the use of this technique to make gene knockouts and knock-ins, as well as single-…