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用于从非食品来源分离小肠结肠炎耶尔森菌的改良富集肉汤。

Modified enrichment broth for isolation of Yersinia enterocolitica from nonfood sources.

作者信息

Weagant S D, Kaysner C A

出版信息

Appl Environ Microbiol. 1983 Feb;45(2):468-71. doi: 10.1128/aem.45.2.468-471.1983.

Abstract

Sorbitol-bile salts broth was modified by the addition of 0.5% peptone for the enrichment of Yersinia enterocolitica in nonfood samples. A quantitative comparison was made of the growth of Y. enterocolitica in sorbitol-bile salts broth and peptone-sorbitol-bile salts broth at 22 degrees C. Incubation for 48 h resulted in an average 7.79 log10 increase in a viable cell number for six serotypes with peptone-sorbitol-bile salts broth compared with an average 1.85 log10 increase for sorbitol-bile salts broth. Recovery from seeded seawater showed a greater than 100-fold increase in sensitivity with peptone-sorbitol-bile salts broth enrichment. Isolation of indigenous Y. enterocolitica from fresh and marine waters was also significantly enhanced.

摘要

通过添加0.5%蛋白胨对山梨醇-胆盐肉汤进行改良,用于在非食品样本中富集小肠结肠炎耶尔森菌。对小肠结肠炎耶尔森菌在山梨醇-胆盐肉汤和蛋白胨-山梨醇-胆盐肉汤中于22℃下的生长情况进行了定量比较。培养48小时后,与山梨醇-胆盐肉汤中活菌数平均增加1.85个对数单位相比,蛋白胨-山梨醇-胆盐肉汤中6个血清型的活菌数平均增加7.79个对数单位。从接种的海水中回收显示,使用蛋白胨-山梨醇-胆盐肉汤富集时灵敏度提高了100倍以上。从淡水和海水中分离本土小肠结肠炎耶尔森菌的能力也显著增强。

相似文献

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Isolation of Yersinia enterocolitica from foods.从食品中分离出小肠结肠炎耶尔森菌。
Int J Food Microbiol. 1992 Oct;17(2):75-84. doi: 10.1016/0168-1605(92)90107-e.

本文引用的文献

1
Yersiniae in pond water and snails.池塘水和蜗牛中的耶尔森氏菌。
J Wildl Dis. 1976 Oct;12(4):492-6. doi: 10.7589/0090-3558-12.4.492.
3
Yersinia enterocolitica in drinking-water.饮用水中的小肠结肠炎耶尔森菌。
Scand J Infect Dis. 1972;4(2):125-7. doi: 10.3109/inf.1972.4.issue-2.11.
7
Occurrence of Yersinia enterocolitica in house rats.家鼠中肠炎耶尔森菌的存在情况。
Appl Environ Microbiol. 1978 Aug;36(2):314-8. doi: 10.1128/aem.36.2.314-318.1978.
8
Isolation of Yersinia enterocolitica from raw milk.从生牛奶中分离出小肠结肠炎耶尔森菌。
Appl Environ Microbiol. 1978 Jan;35(1):54-8. doi: 10.1128/aem.35.1.54-58.1978.

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