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Volume 17, Number 1-2 >


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Authors: HIRAMUNE, Takashi Browse this author
YANAGAWA, Ryo Browse this author
Issue Date: Jun-1969
Publisher: The Graduate School of Veterinary Medicine
Journal Title: Japanese Journal of Veterinary Research
Volume: 17
Issue: 1-2
Start Page: 25
End Page: 31
Abstract: Three phage types of Corynebacterium renale were obtained from 67 strains of C. renale type I, isolated mostly in Hokkaido, Japan, and Scotland and Uruguay. Two of the 3 phage-types were identical with those already reported by YANAGAWA et al. (1968). A new type phage (RP H4) was obtained. This phage was produced from a strain isolated from a cow with pyelonephritis symptoms in NA herd (Sapporo) and lysed all the strains isolated from cows in T herd (Hayakita). Phages RP H39 and RP H46,produced by the strains isolated in N herd (Hidaka) and similar in host range pattern to the previously reported phage RP 6,lysed 5 strains all derived from the same herd. In this herd, a relation was found between the lytic pattern and the sources of strains (barns). All the strains isolated from cows in A and F barns were resistant to phage RP 6,except one ; all the strains except one of B and C barns produced the same phage. These findings suggest that C. renale type I is distributed among cows of a very limited area, such as a herd or a barn. From the findings obtained, the importance of C. renale phage-types in relation to ecology of C. renale and epidemiology of C. renale infection was discussed.
Type: bulletin (article)
Appears in Collections:Japanese Journal of Veterinary Research > Volume 17, Number 1-2

Submitter: 獣医学部図書室

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