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Appl Environ Microbiol. 1981 January; 41(1): 164-168

Distribution of ribonucleic acid coliphages in animals.

S Osawa, K Furuse and I Watanabe

ABSTRACT

To determine the distribution pattern of ribonucleic acid (RNA) coliphages (classified by serological groups I through IV) in animal sources, we isolated RNA phages from (i) feces samples from domestic animals (cows, pigs, horses, and fowls), some other animals in a zoological garden, and humans, (ii) the gastrointestinal contents of cows and pigs, and (iii) sewage samples from treatment plants in slaughter houses. These samples were then analyzed serologically. The concentration of RNA phages in the first and second kinds of material was fairly low (10 to 10(3) plaque-forming units per original phage sample), whereas that in the third kind of material was fairly high (10(3) to 10(5) plaque-forming units per original phage sample). Concerning the group types of the RNA phages in the first and second kinds of material, human feces contained RNA phages of groups II and III almost equally, the gastrointestinal contents of pigs included those of groups I and II equally, and the feces or gastrointestinal contents of other mammals other than humans and pigs had those of group I exclusively. In the third type of material we found mostly group I phages with a minor fraction of group II phages. Thus, the prominent features of the distribution pattern of RNA phages are the predominance of groups III and II in humans and the predominance of group I in animals.

Appl Environ Microbiol. 1981 January; 41(1): 164-168




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