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  • Title: Isolation and characterization of a lipopolysaccharide-specific bacteriophage of Pseudomonas aeruginosa.
    Author: Temple GS, Ayling PD, Wilkinson SG.
    Journal: Microbios; 1986; 45(183):81-91. PubMed ID: 3086673.
    Abstract:
    Phage H22 was isolated from sewage using Pseudomonas aeruginosa NCTC 8505 (serotype 0:3) as the host. Although not O-specific, this phage was found to have lipopolysaccharide (LPS) as a receptor. The broad host-range and lack of O-specificity of the phage suggested that its receptor site was in the core region of the LPS. Phage H22 had a Bradley type A structure. It was unaffected by chloroform and diethyl ether, and was stable between pH 5 and 8 and in the temperature range 0 to 60 degrees C. The adsorption rate constant was 14.6 X 10(-9) ml min-1. The phage had a latent period of 43 min, with a rise time of 18 min and a burst size of 6. The adsorption of phage to whole cells and LPS occurred over a broad pH range. Maximum adsorption occurred at 50 degrees C and pH 7.5 in the presence of 0.001 M Ca2+.
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