Abstract
Bacteriophage E79 was shown to interact with the lipopolysaccharide (LPS) of Pseudomonas aeruginosa strain PAO. LPS isolated from an E79-sensitive, smooth strain inactivated the phage, exhibiting a Phl50 value (concentration of LPS that caused a 50% decrease in the titer of phage during 1 h of incubation at 37 degrees C) of 0.04 microgram/ml, whereas the LPS isolated from a rough mutant derived from the wild type showed no neutralizing activity towards E79. EDTA and sodium deoxycholate were demonstrated to abolish the neutralizing capacity of the smooth LPS. One E79 receptor site was shown to be equivalent to 10(-16) g of LPS.
MeSH Terms
Adsorption
Bacteriophages/growth & development,immunology,metabolism
Binding Sites/drug effects
Cell Wall/metabolism
Deoxycholic Acid/pharmacology
Edetic Acid/pharmacology
Lipopolysaccharides/metabolism
Mutation
Neutralization Tests
Polysaccharides, Bacterial/metabolism
Pseudomonas aeruginosa/metabolism
Chemicals
Lipopolysaccharides
Polysaccharides, Bacterial
Deoxycholic Acid
Edetic Acid
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Jarrell K
Kropinski A M
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