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出血性大肠埃希菌O157∶H7广东分离株对小鼠致病性的研究

谢运冰, 顿灿, 王玉, 郭霄峰

谢运冰, 顿灿, 王玉, 郭霄峰. 出血性大肠埃希菌O157∶H7广东分离株对小鼠致病性的研究[J]. 华南农业大学学报, 2012, 33(1): 120-122. DOI: 10.7671/j.issn.1001-411X.2012.01.024
引用本文: 谢运冰, 顿灿, 王玉, 郭霄峰. 出血性大肠埃希菌O157∶H7广东分离株对小鼠致病性的研究[J]. 华南农业大学学报, 2012, 33(1): 120-122. DOI: 10.7671/j.issn.1001-411X.2012.01.024
XIE Yun-bing, DUN Can, WANG Yu, GUO Xiao-feng. Study of Pathological Changes in Mice Caused by Enterohemorrhagic Escherichia coli O157∶H7 021210 Strain[J]. Journal of South China Agricultural University, 2012, 33(1): 120-122. DOI: 10.7671/j.issn.1001-411X.2012.01.024
Citation: XIE Yun-bing, DUN Can, WANG Yu, GUO Xiao-feng. Study of Pathological Changes in Mice Caused by Enterohemorrhagic Escherichia coli O157∶H7 021210 Strain[J]. Journal of South China Agricultural University, 2012, 33(1): 120-122. DOI: 10.7671/j.issn.1001-411X.2012.01.024

出血性大肠埃希菌O157∶H7广东分离株对小鼠致病性的研究

Study of Pathological Changes in Mice Caused by Enterohemorrhagic Escherichia coli O157∶H7 021210 Strain

  • 摘要: 探索肠出血性大肠埃希菌Escherichia coli O157∶H7广东分离株021210(NalR)[以下简称O157∶H7 021210(NalR)]对小鼠的半数致死量(LD50),揭示其在小鼠体内产生的病理变。将20日龄的昆明鼠随机分组,饮水中加入萘啶酮酸预处理,消除肠道杂菌,再分别以不同剂量腹腔注射O157∶H7 021210(NalR),进行临床观察和病理学检查。测定出LD50,试验结果表明一定剂量的O157∶H7 021210(NalR)可引起小鼠主要脏器及肠道发生病变。
    Abstract: The study was conducted to explore LD50 and pathological changes in mice caused by enterohemorrhagic Escherichia coli O157∶H7.Methods weaned mice were inoculated via enterocoelia inoculation with different doses of E.coli O157∶H7 021210 strain and simultaneously treated with nalidixic acid to determine LD50.Many pathological changes were seen in mice caused by E.coli O157∶H7.
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出版历程
  • 收稿日期:  2010-11-30
  • 刊出日期:  2012-01-09

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