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Isolation and serotypes of Vero toxin-producing Escherichia coli (VTEC) from pigeons and crows

机译：从鸽子和乌鸦中分离和血清毒素的大肠杆菌（VTEC）的分离和血清型

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摘要

To clarify the source and route of infection with Vero toxin-producing Escherichia coli (VTEC) in humans, we sampled gastrointestinal contents and isolated VTEC from wild birds captured to exterminate harmful birds between August 1997 and January 1998. Pigeons were caught in Sagamihara-shi and crows were caught in Sagamihara-shi, Kawasaki-shi, Yokohama-shi, and the Tokyo metropolitan area. The following results were obtained. 1) VTEC was isolated from 32 of 521 birds (6.1%) examined. Among pigeons, VTEC was isolated from 25 of 262 birds (9.5%) captured in Sagamihara-shi. Among crows, VTEC was isolated from 7 of 184 birds (3.8%) captured in Sagamihara-shi, but not isolated from any bird of 11.4, and 60 birds captured in Yokohama-shi, Kawasaki-shi, and the Tokyo metropolitan area, respectively. 2) Toxin was typed in 33 isolates. There were four VT1-producing isolates (6.5%), 27 VT2-producing isolates (88.7%), and two VT1, VT2-producing isolates (4.8%). 3) The serotypes of the isolates were: O78: H-, 10; O152: H-, 7; O153: H19.2; O164: H-, 1; O128: H-, 1; O164/143: H-, and O1: HUT, 1. The serotype was unknown in 10 isolates. Among 10 isolates for which the serotype could not be determined, auto-aggregation was observed in one isolate. 4) EaeA was investigated in the 33 isolates, and 31 isolates (93.9%) possessed eaeA. The above findings showed that strains with same toxin types and serotypes of human diarrhea-derived VTEC were isolated from pigeons and crows, and the isolates frequently possessed eaeA, which is considered to have an important association with its pathology, suggesting that birds are involved in VTEC infection in humans as a source of infection.
机译：为了澄清源和感染人类的​​Vero毒素的大肠杆菌（VTEC）的途径，我们取样胃肠内容物，并缴获灭掉1997年8月和1998年1月鸽子之间的有害的鸟被抓在相模原市的野鸟隔离VTEC和乌鸦被夹在相模原市，川崎市，横滨市和东京都市圈。获得了以下结果。 1）VTEC从521 32鸟类（6.1％）检查隔离。间鸽子，VTEC从在相模原市捕获262的25鸟类（9.5％）分离。间乌鸦，VTEC从在相模原市捕获184 7的鸟类（3.8％）分离，但不能从11.4任何鸟分离，并且60种鸟类横滨市川崎市，和东京地区分别捕获。 2）毒素在33株键入。有四个VT1生产株（6.5％），27 VT2-产生的分离物（88.7％），和两个VT1，VT2生产株（4.8％）。 3）分离物的血清型为：O78：H-，10; O152：H-，7; O153：H19.2; O164：H-，1; O128：H-，1; O164 / 143：H-，和O1：HUT，1血清型为在10株未知。中10株的量，血清型不能确定，在一个分离株中观察到的自动聚集。 4）EAEA是在33株调查，和31株（93.9％）具有EAEA。上述发现表明具有相同毒素类型和人类腹泻衍生VTEC的血清型从鸽子和乌鸦分离该菌株，并经常具有EAEA菌株，其被认为具有与它的病理学的重要关联，表明鸟类参与VTEC感染人类的​​传染源。

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  • 来源
    《感染症学雑誌》 |2003年第1期|共5页
  • 作者

    Fukuyama M; Furuhata K; Oonaka K; Sakata S; Hara M; Kakuno Y; Itoh T; Kai A; Obata H; Watanabe T;

  • 作者单位

    Department of Microbiology Azabu University. Infectious Diseases.;

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  • 原文格式 PDF
  • 正文语种 jpn
  • 中图分类 内科学;
  • 关键词

    Columbidae; Escherichia coli; Shiga Toxins; Songbirds; 大肠杆菌; 燕雀;

    机译：Columbidae;Escherichia coli;Shiga Toxins;Songbirds;大肠杆菌;燕雀;

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