这个新确认的O139血清群与其他非O1群霍乱弧菌之最大不同点，是它能产生与O1群霍乱弧菌相同的霍乱毒素(Cholera toxin,CT)，所引起的霍乱在临床和流行病学上也与O1群霍乱弧菌所致霍乱基本相同。
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如果水样中有霍乱毒素，霍乱毒素将会附着在葡萄聚糖上，因为葡萄聚糖的化学结构与死于霍乱的死者肠道细胞表面上发现的霍乱毒素受体(神经节苷脂gm1)很相似。
If the cholera toxin is present, the toxin binds to the dextran because its chemical structure is similar to the cholera toxin receptor (GM1) found on the surface of cells in a victim's gut.
Nochi博士的老鼠在实验中得到了保护，当喂食它们霍乱毒素后，它们并没有染病。
Dr Nochi's mice really were protected. When he fed them cholera toxin, they did not get sick.
据英国工程师网站theengineer.com近日报道，美国中佛罗里达大学的科学家日前研制出一种新技术，可使地震救援人员能够检测出那些可能被霍乱毒素污染的水源。
A new technique developed by University of Central Florida (UCF) scientists could allow earthquake-relief workers to test water sources that could be contaminated with the cholera toxin.
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