An ELISA optimized for porcine epidemic diarrhoea virus detection in faeces.

An ELISA optimized for porcine epidemic diarrhoea virus detection in faeces.
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DOI:
10.1016/j.vetmic.2004.09.020
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发表时间:
2005-01-05
影响因子:
3.3
通讯作者:
Nevoránková Z
Nevoránková Z
中科院分区:
农林科学2区
文献类型:
--
作者:
Rodák L;Valícek L;Smíd B;Nevoránková Z

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制备了抗猪流行性腹泻病毒(PEDV)膜蛋白M的单克隆抗体,并用于比较评估检测PEDV的三种阻断ELISA变体。竞争性阻断ELISA(CB-ELISA)形式显示出最高的灵敏度,允许检测培养基中102.5噬斑形成单位/ml的PEDV。通过在每次分析中纳入含有传染性胃肠炎病毒(TGEV)和轮状病毒A的对照样品,验证其专属性。对38个腹泻猪群的80份粪便样品进行了检测,在6个猪群(16%)的15份(19%)样品中发现PEDV。本文还讨论了CB-ELISA在动物流行病疫情中对畜群的筛选适用性。
Monoclonal antibodies to porcine epidemic diarrhoea virus (PEDV) membrane protein M were prepared and used for the comparative assessment of three blocking ELISA variants to detect PEDV. The competitive blocking ELISA (CB-ELISA) format showed the highest sensitivity, allowing detection of 102.5 plaque-forming units of PEDV/ml in culture medium. Its specificity was verified by inclusion of control samples containing transmissible gastroenteritis virus (TGEV) and rotavirus A in each analysis. Eighty porcine field samples of faeces obtained from 38 herds affected with diarrhoea were examined, and PEDV was found in 15 (19%) samples from 6 (16%) herds. The suitability of the CB-ELISA for the screening herds in epizootiologic situations is discussed.
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