BACTERIOPHAGES OF PSYCHROPHILIC PSEUDOMONADS .I. HOST RANGE OF PHAGE POOLS ACTIVE AGAINST FISH SPOILAGE AND FISH-PATHOGENIC PSEUDOMONADS

A total of 180 bacteriophages active against 37 of 55 psychrophilic bacteria (isolated from fish and other sources) were isolated from sea water, sewage, and fish fillets. Cross-infection tests made with pools of homologous phages indicated that only 8 strains were resistant to all the phages. Some similarities between marine and terrestrial pseudomonads were found, as well as significant differences between species previously considered to be closely related. © 1969 Swets & Zeitlinger.