Salmonella typhimuriumの線毛とそのマウス腸管定着における役割
書誌事項
- タイトル別名
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- Fimbriae of salmonella typhimurium and Their Role in Mouse Intestinal Colonization of the Organism
- Salmonella typhimurium ノ センモウ ト ソノ マウス
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In mice given orally 103 to 107 cells of a fimbriate descendant of S. typhimurium, the organism localized in between the middle to lowest parts of the small intestine and large intestine, especially in the walls 1 to 3 days postadministration. Thereafter, the organism multiplied in the tracts significantly, and with the increase of inoculating doses, remarkable multiplication of the organism in the tracts was shown. The recovery of the organism from the mesenteric lymph node, liver or spleen with or without gross lesions was found 3 to 5 days after administration, and the liver harbored 102 to 107/g organisms between 5 and 14 days. A mouse given 105 cells died of sepsis on the 6th day, and 7 mice received 107 cells within 6 to 13 days. The O, H and fimbrial antibodies were found in the mice from the 7th day. On the other hand, in mice given a non-fimbriate descendant, no evidence was shown to prove the colonization of the organism in the digestive tracts. Exceptionally, a few mice given 105 to 107 cells produced O and H antibodies against the organism. On the contrary, it was reconfirmed that mice inoculated intraperitoneally with fimbriate and non-fimbriate descendants gave almost the same LD50 value as reported previously. By scanning electron microscopy, fimbriate organisms were found to adhere to the epithelial surface of the villi (in vitro), while non-fimbriate organisms were not seen on the mucosal surface. These results suggest that the fimbriae may play a role in the colonization of Salmonella organisms in the intestinal mucosa.
収録刊行物
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- 日本獸醫學雜誌(The Japanese Journal of Veterinary Science)
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日本獸醫學雜誌(The Japanese Journal of Veterinary Science) 43 (1), 51-59,62, 1981
公益社団法人 日本獣医学会
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詳細情報 詳細情報について
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- CRID
- 1390001206425822976
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- NII論文ID
- 110003916864
- 130003481159
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- NII書誌ID
- AN00191788
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- COI
- 1:STN:280:DyaL38%2Fjtl2ksQ%3D%3D
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- ISSN
- 18811442
- 00215295
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- NDL書誌ID
- 2304552
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- PubMed
- 6116817
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