腸管内腸球菌と口腔内腸球菌との関係に就て
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概要
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Since olden times the countless researches on the enterococci have been carried out by Meyer and his school, Prof. Kobayashi et al and others, although there appears to be quite few papers of the correlation between the enterococci in the intestinal tract and those in the oral cavity. Surveying over the papers of the bacteria in the intestinal tract and the oral cavity there appears to be a fairly intimate relationship between both groups in many instances. Under the presumption of which the enterococci in the oral cavity . might locate in the homologous category of the enterococci in the intestinal tract it is biologically and immunologically tried to investigate how much intimate are these both groups of . the enterococci each other. (I) Bacteriological Correlation; About twenty strains respectively from the intestinal tract and the oral cavity of five healthy men, about three strains respectively from those of the members (parents and children) of three families and about ten strains from those of two healthy infants (one year and six months of age), therefore in total about three hundreds strains of cocci are isolated by the medium for the enterococcic selective culture. According to Bergey's manual these cocci are biologically investigated affirming to be the typical enterococci, however, in only a few strains it is apparently assumed that they have origin in the intestinal tract or the oral cavity. Streptococcus zyrnogenes and its analogous cocci are rarely found C theintestinal origin 3.3-0x1.f9790bfff82ep+0nd the origin of the oral cavity 2%), while streptococcus faecalis is quite frequently recognized (the intestinal origin origin 90.8 0x1.f2065636e6953p+711nd the origin of the oral cavity 98%). Streptococcus faecalis is easily differentiated from the other strains, but it is rather difficult to decide wheather it is originated from the intestine or the oral cavity.Streptococcus liquefaciens, streptococcus durans and their analogous cocci are recognized (the former strains are 4.6-0x1.f7b00bfff665p+0nd the latter 1.3%) in the strains isolated from the intestines, on the other hand nothing of such an equivalent strains is recognized in the stems isolated from the oral cavity. (II) Immunological Correlation; Lancefield published the quite interest papers of the streptococcus hemolyticans by the somatic antigen of carbohydrate. The author has also undertaken the experiment to investigate the correlation of enterococci(mainly streptococcus faecalis) originated in the intestines with those in the oral cavity useing precipitation test with the carbohydrate antigen of the somatic elements. The immune serum and antigen are made according to Lancefield's method, and the antigen is piled on the serum in the tubes. In each cases the all strains of the bacteria (as the antigens) isolated from the individual are precipitated with the immune sera, which are made by the optitional two strains of the cocci originated in the intestinal tract or the oral cavity, and it gives us the following results; (a) Performing the precipitation tests of the various strains of the enterococci isolated from the intestinal tract of the certain individual with the immune serum for an optional strains of the enterococci isolated from the same source, most kinds of the strains are markedly precipitated. The precipitation tests by those in the oral cavity also reveal the similar results but they are reacted less frequently than those in the intestinal tracts. (b) The various strains isolated from the intestinal tracts or the oral cavities of the different members in the same family are immunoserologically as much analogous each other as those from the same individuals. (c) It is comparatively seldom to show the marked precipitation in the cross examinations between the strains isolated from the intestinal tracts or the oral cavities and their each counter immune sera.According to the various groups of persons from whom a material is isolated, however, there are the various degree of the differences in the analogy between strains isolated from the intestinal tract and the oral cavity; for instances in the infants . there are as much as a half of number of strains which show marked precipitation in the cross examination. On the contrary in the matured individuals or the different members in the same family there are not so many instances which show the analogy in the strains from the different sources.
- 千葉大学の論文
- 1955-07-28