Systemic acquired resistance (SAR), known as broad-spectrum, inducible plant immunity, is a defense response triggered by pathogen infection.

植物系统获得抗性(SAR)，是植物受到病原菌侵染后所激发的一种防卫反应。

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Rapid, reliable detection of food-borne pathogens and effective prevention or control of pathogen infection are always objective of microbiologist and relevant researchers.

快速、准确的检测和鉴定食品中的致病菌，进而有效预防和控制病原菌感染，一直是微生物学家及有关科研工作者所追求的目标。

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The present invention provides new compositions and methods for preventing and treating pathogen infection.

本发明提供了预防和治疗病原感染的新的组合物和方法。

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It said the felling would be "a race against time" to ensure the trees were cut down before they became prone to infection from the fungus-like pathogen.

BBC: Tree felling